Owner's Operating Manual · This manual describes the proper handling, adjustment, and inspection...
Transcript of Owner's Operating Manual · This manual describes the proper handling, adjustment, and inspection...
3-Unit Surround & Trim Mower
Owner's Operating Manual
Serial No. LM331:10058-
"Required reading"Read this manual and the Owner's Manual for the engine before using the machine.
Original Instructions Ver.1.2
California Proposition65(For California, USA)
Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov/passenger-vehicle.
WARNING:
318yi8-005
California Proposition65_001
CALIFORNIA SPARK ARRESTER(For California, USA)
Warning
Operation of this equipment may createsparks that can start fires around dryvegetation.A spark arrester may be required.The operator should contact local fireagencies for laws or regulations relating to fireprevention requirements.
The engine of this machine is not equipped witha spark arrester.In some areas there are local, state, or federalregulations requiring that a spark arrester beused on the engine of this machine.
LM331
Regulations
Thank you for purchasing the Baroness product.This manual describes the proper handling,adjustment, and inspection of your product.We hope you will use the product safely, and takeadvantage of its best performance.For details on the handling, adjustment andinspection of the attachments, refer to theOwner's Operating Manual for the attachments.
Keeping the Owner's Operating ManualKeep this Manual in the box on the left side ofthe ROPS.
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Keeping the Owner's Operating Manual_001
1 Box
LM331
Greeting
Read this manual carefully to ensure that you thoroughly understand how to properly operate and maintain theproduct, and to avoid causing injury to yourself or others.The operator is responsible for operating the product properly and safely.Maintenance should only be performed by a certified specialist.If you have any questions concerning maintenance or genuine parts, please contact your local Baroness dealer orKyoeisha.When making inquiries about the product, please specify the product's model designation and serial number.When loaning or transferring the product, please also provide this manual together with the product.
Kyoeisha Co., Ltd.
Warning SymbolsThis manual uses the following warning symbols for handling precautions that are important for yoursafety.
696cq5-001
Warning symbol
This symbol indicates the articles regarding “Danger,” “Warning,” or “Caution.”Those articles describe important safety precautions and so read them carefully to understand completely beforeoperating the machine.Failure to adequately follow these safety precautions may cause an accident.
DangerDanger
This symbol indicates that serious injury or death will occur if the warning is ignored.
Warning
This symbol indicates that serious injury or death may occur if the warning is ignored.
Caution
This symbol indicates that injury or damage to property may occur if the warning is ignored.
Important
This symbol indicates precautions on the mechanism of the machine.
LM331
Introduction
Precautionary Statement
Caution
The information described in this manual issubject to change for improvement withoutprior notice.When replacing parts, be sure to use genuineBaroness parts or parts designated byKyoeisha.Note that the Baroness product warranty maynot apply to defects caused by the use ofparts from other companies.
Prior to use, carefully read the followingmanuals to thoroughly understand the contentsfor safe and correct operation.
Baroness Owner's Operating ManualThe Engine's Owner's ManualThe Battery's Owner's Manual
PurposeThis product is intended for cutting turf grass atgolf courses.Do not use this product in any way other than itsintended purpose, and do not modify thisproduct.Operating this product for other purposes andmodifying it may be very dangerous and maycause damage to the product.In addition, this product is not authorized foroperation as a special motor vehicle. Do notoperate it on public roads.
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LM331
Introduction
LM331
Introduction
Safety .............................................................. Page 1-1
Safe Operating Practices ...............................Page 1-2
Disposal ..........................................................Page 2-1
Recycle and Waste Disposal ......................... Page 2-2
Product Overview .......................................... Page 3-1
Specifications .................................................Page 3-2Names of Each Section ................................. Page 3-4Regulation Decals ..........................................Page 3-4Safety Signs and Instruction Signs ................Page 3-8
Handling Instructions ....................................Page 4-1
Inspection Before Use ................................... Page 4-2Tightening torques .......................................Page 4-13Adjustment Before Operating ...................... Page 4-16Procedure to Start / Stop Engine .................Page 4-18Operation of Each Section ...........................Page 4-20Instruments ..................................................Page 4-31Travel of Machine ........................................ Page 4-33Cutting Work ................................................Page 4-35Transporting .................................................Page 4-36
Maintenance ................................................... Page 5-1
Maintenance Precautions .............................. Page 5-2Maintenance Schedule .................................. Page 5-3Jacking up the machine .................................Page 5-8Greasing ...................................................... Page 5-10Maintenance Work .......................................Page 5-13Long-Term Storage ......................................Page 5-25
LM331
Contents
LM331
Contents
Safe Operating Practices ...................... Page 1-2
Training ..................................................Page 1-2Preparation ............................................ Page 1-2Operation ...............................................Page 1-3Maintenance and storage ...................... Page 1-4
Saf
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LM331
Safety
Page 1-1
Failure to adequately follow these safetyprecautions may cause an accident resulting ininjury or death.
DangerDanger
This product is designed to ensure safeoperation and has been tested and inspectedthoroughly before shipment from the factory.The product is equipped with safety devices toprevent accidents.However, whether the product demonstratesits original performance level depends on themanner in which it is operated and handled,as well as the manner in which it is managedon a daily basis.Inappropriate use or management of theproduct may result in injury or death.Observe the following safety instructions toensure safe operation.
Safe Operating PracticesTraining
Read this manual and other training materialcarefully. Be familiar with the controls, safetysigns, and the proper use of the equipment.If the operator or mechanic can not readEnglish it is the owner's responsibility toexplain this manual to them.All operators and mechanics should seekand obtain professional and practicalinstruction.The owner is responsible for training theusers.Such instruction should emphasize.
The need for care and concentration whenworking with ride-on machines.Control of a ride-on machine sliding on aslope will not be regained by theapplication of the brake.The main reasons for loss of control are
Insufficient wheel gripBeing driven too fastInadequate brakingThe type of machine is unsuitable for itstaskLack of awareness of the effect ofground conditions, especially slopesIncorrect hitching and load distribution
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Never allow children or people unfamiliarwith these instructions to use or service themachine.Local regulations may restrict the age of theoperator.The owner/user can prevent and isresponsible for accidents or injuriesoccurring to themselves, other people, orproperty.Keep in mind that the owner, operator, andmechanic are responsible for accidents orhazards occurring to other people or theirproperty.The ROPS is an integral and effective safetydevice.Do not remove or alter the ROPS.Replace a damaged ROPS.Do not repair or alter.You can find additional safety informationwhere needed throughout this manual.Determine the left and right sides of themachine from the normal operating position.
PreparationEvaluate the terrain to determine whataccessories and attachments are needed toproperly and safety perform the job. Onlyuse accessories and attachments approvedby the manufacturer.While operating, always wear substantialfootwear, long trousers, hard hat, safetyglasses, and ear protection. Long hair, looseclothing, or jewelry may get tangled inmoving parts. Do not operate the equipmentwhen barefoot or wearing open sandals.Inspect the area where the equipment is tobe used and remove all objects such asrocks, toys and wire which can be thrown bythe machine.Keep children out of the operating area andunder the watchful care of a responsibleadult other than the operator.Exercise care in the handling of fuel.
Warning
Warning-Fuel is highly flammable. Take thefollowing precautions.
Store fuel in containers specificallydesigned for this purpose.
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LM331
Safety
Page 1-2 Safe Operating Practices
Add fuel before starting the engine. Neverremove the cap of the fuel tank or add fuelwhile the engine is running or when theengine is hot.Refuel outdoors only and do not smokewhile refueling.If fuel is spilled, do not attempt to start theengine but move the machine away fromthe area of spillage and avoid creating anysource of ignition until petrol vapours havedissipated.Replace all fuel tanks and container capssecurely.
Check that operator's presence controls,safety switches and shields are attached andfunctioning properly. Do not operate unlessthey are functioning properly.If the brake operation is faulty or the parkingbrake lever has noticeable play, be sure toadjust or repair them before operating themachine.Replace faulty mufflers.On multi-cylinder/multi-reel machines takecare as rotating one cylinder/reel can causeother cylinder/reels to rotate.
OperationDo not operate the engine in a confinedspace where dangerous carbon monoxidefumes can collect.Only operate in good light, keeping awayfrom holes and hidden hazards.Before attempting to start the engine,disengage all attachments, shift into neutral,and engage the parking brake.Only start engine from the operator`sposition.Use seat belts if provided.Remember there is no such thing as a safeslope. Travel on grass slopes requiresparticular care.To guard against overturning:
Do not stop or start suddenly when goingup or downhill.Engage clutch slowly, always keepmachine in gear, especially when travelingdownhill.Machine speeds should be kept low onslopes and during tight turns.Stay alert for humps and hollows andother hidden hazards.
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Never operate across the face of theslope, unless the machine is designed forthis purpose.Never drive the machine on a slope withan angle of gradient that is greater thanthat specified or in a place where there isa danger of the machine slipping.
Use extra care while operating machine witha grass catcher or other attachments.They can affect the stability of the machine.Never operate the machine with damagedguards, shields, or without safety protectivedevices in place.Be sure all interlocks are attached, adjustedand functioning properly.Do not change the engine governor settingsor overspeed the engine. Operating theengine at excessive speed may increase thehazard of personal injury.Do the following before leaving theoperator`s position.
Stop on level ground.Disengage the power take-off and lowerthe attachments.Change into neutral and set the parkingbrake.Stop the engine and remove the key.
Disengage the drive to attachments, stop theengine, and remove the ignition key in thefollowing conditions.
Before refueling.Before removing the grass catcher/catchers.Before making height adjustment unlessadjustment can be made from theoperator's position.Before cleaning blockages.Before checking, cleaning, or working themachine.After striking a foreign object or if anabnormal vibration occurs.Inspect the machine for damage andmake repairs before restarting andoperating the equipment.
Keep hands and feet away from the cuttingunits and the rotating parts.Do not mow in reverse unless absolutelynecessary. Always look down and behindbefore and while backing.Do not carry passengers.
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Safety
Page 1-3Safe Operating Practices
Never operate while people, especiallychildren, or pets are nearby.Slow down and use caution when makingturns and crossing roads and sidewalks.Stop the blades rotating before crossingsurfaces other than grass.Disengage drive to attachments whentransporting or not in use.When using any attachments, never directdischarge of material toward bystanders norallow anyone near the machine while inoperation.Do not operate the machine under theinfluence of alcohol or drugs.Take care when loading or unloading themachine into a trailer or a truck. Load orunload the machine in a flat and safe place.Before loading or unloading, set the parkingbrake on the truck or trailer, stop the engine,and chock the wheels.When transporting the machine on a truck ora trailer, set the parking brake, stop theengine, and fasten the machine to the truckwith a rope or other suitable restrainingdevice that has sufficient strength.When using a loading ramp, select one withsufficient strength, length, and width and thatwill not cause the machine to slip.Close the fuel valve before transporting themachine.Use care when approaching blind corners,shrubs, trees, or other objects that mayobscure vision.Do not take your eyes off the road ahead. Donot operate the machine with no hands.Reduce the throttle setting during enginerun-out and, if the engine is provided with ashut-off valve, turn the fuel off at theconclusion of operation.Do not operate the machine when there isthe risk of lightning.Keep a folding ROPS in the raised andlocked position and use the seat belt whenoperating the machine.Lower a folding ROPS temporarily only whenabsolutely necessary.Do not wear the seat belt when folded down.There is no rollover protection when a foldingROPS is in the down position.
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Maintenance and storageDisengage drives on level ground, lower theattachments, set parking brake, stop engineand remove key from ignition. Wait for allmovement to stop before adjusting, cleaningor repairing.When machine is to be parked, stored, or leftunattended, lower the cutting units unless apositive machanical lock is provided.To reduce the fire hazard, keep the engine,silencer/muffler, battery compartment fuelstorage area, cutting unit and drives free ofgrass, leaves, or excessive grease. Clean upoil or fuel spillage.Allow the engine to cool before storing in anyenclosure.Only cover the machine with a sheet afterhot parts have sufficiently cooled down.Never store the equipment with fuel in thetank inside a building where fumes mayreach an open flame or spark.If the engine is provided with a shut-offvalve, shut off valve while storing ortransporting.Do not store fuel near flames.Never allow untrained personnel to servicemachine.Allow the engine/muffler to cool beforechecking/maintenance.Appropriately manage and correctly use thetools necessary for servicing or adjusting themachine.Use jack stands to support componentswhen required.Carefully release pressure from componentswith stored energy.Be sure to depressurize the hydraulic systembefore performing maintenance operationson it such as removing hydraulic equipment.Check whether line connectors in thehydraulic system are properly tightened.Before applying hydraulic pressure, checkthe connections of the hydraulic pressurelines and the condition of the hoses.
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LM331
Safety
Page 1-4 Safe Operating Practices
When checking the hydraulic circuit forpinhole leaks or oil leakage from nozzles, donot use your hands. Use items such aspaper or corrugated cardboard to findleakage points. Be extremely careful withhigh-pressure oil as it may pierce your skin,resulting in an injury.If fluid is injected into the skin it must besurgically removed within a few hours by adoctor familiar with this form of injury organgrene may result.Disconnect battery before making anyrepairs. Disconnect the negative terminalfirst and the positive last. Reconnect positivefirst and negative last.Make sure that parts such as wires are nottouching each other and that their covershave not come off.Use care when checking the cylinders/reelsand bed knives.
Wear gloves and use caution whenservicing them.Be careful during adjustment of themachine to prevent entrapment of thefingers between moving blades and fixedparts of the machine.
On multi-cylinder/multi-reel machines takecare as rotating one cylinder/reel can causeother cylinder/reels to rotate.Keep hands and feet away from movingparts. If possible, do not make adjustmentswith the engine running.Charge batteries in an open well ventilatedarea, away from spark and flames. Unplugcharger before connecting or disconnectingfrom battery. Wear protective clothing anduse insulated tools.Keep all parts in good working condition andall hardware tightened. Replace all worn ordamaged decals.Keep all nuts, bolts and screws tight to besure the equipment is in safe workingcondition.Check the grass catcher frequently for wearor deterioration.If the fuel tank has to be drained, do thisoutdoors.Swallowing engine coolant can cause injuryor death; keep out of reach from children andpets.
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Safety
Page 1-5Safe Operating Practices
LM331
Safety
Page 1-6 Safe Operating Practices
Recycle and Waste Disposal ................ Page 2-2
About Recycle ........................................Page 2-2About the Waste disposal ......................Page 2-2
Dis
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LM331
Disposal
Page 2-1
Recycle and Waste DisposalAbout Recycle
Recycling battery etc. is recommended forenvironmental conservation and economicaluse of resources.It may be required by local laws.
About the Waste disposalMake sure that waste generated whenservicing or repairing the machine is disposedof in accordance with local regulations.(e.g. waste oil, antifreeze, rubber products, andwires etc.)
LM331
Disposal
Page 2-2 Recycle and Waste Disposal
Specifications ........................................ Page 3-2
Specifications .........................................Page 3-2Sound pressure level .............................Page 3-3Sound power level ................................. Page 3-3Vibration level ........................................ Page 3-3
Names of Each Section ......................... Page 3-4
Regulation Decals ..................................Page 3-4
Positions of Regulation Decals ..............Page 3-4Description of Regulation Decals .......... Page 3-5
Safety Signs and Instruction Signs ..... Page 3-8
About Safety Signs and InstructionSigns ......................................................Page 3-8Positions of Safety Decals andInstruction Decals .................................. Page 3-8Description of Safety Decals andInstruction Decals .................................. Page 3-9
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Product Overview
Page 3-1
SpecificationsSpecifications
Model LM331
DimensionsTotal length 100.00 in 254 cmTotal width 83.46 in 212 cmTotal height ROPS 77.17 in 196 cm
Weight3WD (emptyfuel tank)
LH unit
with groomer, CRbrush, ROPS, Light,Ball proof net withoutgrass catcher
2006.17 lb 910 kg
LS unit
with CR brush,ROPS, Light, Ballproof net withoutgrass catcher
1900.35 lb 862 kg
Grass catcher (for one machine) 33.07 lb 15.0 kg
Minimum turning radius
LH unitFront wheel (outerwheel) outside 77.95 in 198 cm
Outer side of unit 89.76 in 228 cm
LS unitFront wheel (outerwheel) outside 77.95 in 198 cm
Outer side of unit 89.37 in 227 cm
Engine
Model Kubota D902-E4BType Vertical Water-cooled 4-cycle diesel engineTotal displacement 54.79 cu.in. 898 cm3 (0.898 L)Maximum output 13.4 kW (18.2 PS)/2600 rpm
Fuel tank capacity 6.61 U.S.gals Diesel 25.0 dm3 (25.0L)
Fuel consumption189.0 g/PS・h(rated output)
257 g/kW・h(rated output)
Engine oil capacity 0.98 U.S.gals 3.7 dm3 (3.7 L)Operating width (Mowing width) 72.05 in 183 cm
Operating height (Mowing height)LH unit 0.315 - 1.772 in 8.0 - 45.0 mmLS unit 0.394 - 1.811 in 10.0 - 46.0 mm
DriveTraveling HST (2WD/3WD selectable)Mowing Hydraulic (Gear motor drive)
Speed (HST)Forward
2WD : 8.70 mph3WD : 5.41 mph
2WD : 14.0 km/h3WD : 8.7 km/h
Reverse2WD : 6.22 mph3WD : 3.85 mph
2WD : 10.0 km/h3WD : 6.2 km/h
Speed (Mechanical) -
Efficiency2.89 acres/hour (4.97mph x mowing width x0.8)
11,712 m2/h (8.0 km/hx mowing width x 0.8)
Maximum inclination for operation 15 degreesTire size Front wheel 20 x 12.00-10 4P
LM331
Product Overview
Page 3-2 Specifications
Tire size Rear wheel 20 x 8.00-10 4P
Tire pneumatic pressureFront wheel 20.30 psi 140 kPa (1.4 kgf/cm2)Rear wheel 20.30 psi 140 kPa (1.4 kgf/cm2)
Battery 75D23L
The factory default maximum engine rpm is 2,800 rpm.
Sound pressure levelSound pressure level
This machine was confirmed to have acontinuous A-weighted sound pressure levelof 83 dB by measuring identical machines inaccordance with the procedure specified inISO 5395-1:2013.
Sound power levelSound power level
This machine was confirmed to have a soundpower level of 103 dB by measuring identicalmachines in accordance with the procedurespecified in directive 2000/14/EC.
Vibration levelHand-arm vibration
This machine was confirmed not to exceed avibration level of 2.5 m/s2 to hands and armsby measuring identical machines inaccordance with the procedure specified inISO 5395-1:2013.
Whole body vibration
This machine was confirmed not to exceed avibration level of 0.5 m/s2 to the whole bodyby measuring identical machines inaccordance with the procedure specified inISO 5395-1:2013.
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Product Overview
Page 3-3Specifications
Names of Each Section
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1 Hood
2 Steering wheel
3 Seat
4 Rear cover
5 Traveling pedal
6 Brake pedal
7 Parking brake lever
8 Throttle lever
9 Mower unit up/down lever
10 Reel rotation switch
11 Reel reverse switch
12 Stop valve
13 2WD/3WD selector lever
14 Reel rotation/stop switching lever
15 Light
16 Mower unit #1
17 Mower unit #2
18 Mower unit #3
Regulation DecalsPositions of Regulation Decals
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B,DA
G,H,I
J,KF
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Positions of Regulation Decals_001
A Serial number plate
B Specification decal
C Noise emission decal
D Year of manufacture decal
E ROPS compliance decal
F ROPS caution decal
G Battery capacity decal
H Recycle decal
I Battery danger decal
J Spark arrester warning decal
KCalifornia Proposition65 decal (ridingtype)
LM331
Product Overview
Page 3-4 Names of Each Section
Description of Regulation DecalsSerial number plate
The serial number plate indicates the modeland serial number of the machine.
4ogipb-001
Serial number plate_001
Specification decal
(For Europe)The Specification decal indicates the CEmarking, model , and weight, etc.
kj8jic-001
Specification decal_001
Noise emission decal
(For Europe)The noise emission decal indicates the soundpower level determined by measuringidentical machines in accordance with theprocedure specified in the EC directives.
jiwe3f-001
Noise emission decal_001
Year of manufacture decal
(For Europe)The year of manufacture decal indicates theyear when this machine was manufactured.
YEAR OF
MANUFACTURE
wvzv36-001
Year of manufacture decal_001
ROPS compliance decal
The ROPS compliance decal indicates themanufacturer, model, etc., in accordance withInternational Standard ISO 21299:2009.
c3td3e-003
ROPS compliance decal_001
ROPS caution decal
ROPS caution decal describes the cautionmessages compliant with ISO 21299:2009.Replace damaged ROPS.Do not repair or revise. (Only if equipped withROPS)
mei2t3-001
ROPS caution decal_001
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Product Overview
Page 3-5Regulation Decals
Battery capacity decal
(For Europe)The battery capacity decal indicates thecapacity by 20HR and CCA.
2z2dxu-001
Battery capacity decal_001
Recycle decal
Recycle Decal illustrates Recycle Mark inaccordance with local regulation.(For Europe)
Pby7wov5-001
Recycle Decal_001(For USA)
LEAD RETURN
RECYCLE
y7wov5-002
Recycle decal_002
Battery danger decal
(For USA)Battery Danger Decal describes handlingprecautions for battery.
KEEP OUT OF THE REACH OF CHILDREN
SHIELD EYESEXPLOSIVE GASES SULFURIC ACID
FLUSH EYESIMMEDIATELYWITH WATER
GET MEDICAL
HELP FAST
NOSPARKSFLAMESSMOKING
CAN CAUSEBLINDNESS ORSEVERE BURNS
CAN CAUSE BLINDNESSOR INJURY
DANGER/POISON
wsi57s-001
Battery danger decal_001
Indicating diesel fuel decal
(for USA)It indicates the fuel to be used.Use ultra-low sulfur diesel fuel (sulfur-freediesel fuel).
LOW SULFUR ORULTRA LOW SULFURDI ESEL FUEL ONLY
K4209001330
n6ugkk-002
Indicating diesel fuel decal_001
Spark arrester warning decal
(For the State of California, USA)Spark arrester warning decal describes thewarning messages as required by CaliforniaPublic Resources Code.
bfaymx-001
Spark arrester warning decal_001
LM331
Product Overview
Page 3-6 Regulation Decals
California Proposition 65 decal (riding type)
(For the State of California, USA)California Proposition 65 decal describes thewarning messages as required by CaliforniaProposition 65.
Operating, servicing and maintaining a passengervehicle or off-road vehicle can expose you to chemicals includingengine exhaust, carbon monoxide, phthalates, and lead, which are
other reproductive harm. To minimize exposure, avoid breathing
vehicle in a well-ventilated area and wear gloves or wash your handsfrequently when servicing your vehicle. For more information go towww.P65Warnings.ca.gov/passenger-vehicle. K4205002140
WARNING:
known to the State of California to cause cancer and birth defects or
exhaust, do not idle the engine except as necessary, service your
m8tjno-001
California Proposition 65 decal (riding type)_001
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Product Overview
Page 3-7Regulation Decals
Safety Signs and Instruction SignsAbout Safety Signs and Instruction Signs
Important
Safety decals and instruction decals areattached to this product.Make sure that they are preserved in theirentirety. If they are damaged, become dirty, orpeel off, replace them with new ones.
Part numbers for decals that need to bereplaced are listed in the parts catalog.Order them from a Baroness dealer orKyoeisha.
Positions of Safety Decals and InstructionDecals
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Positions of Safety Decals and Instruction Decals_001
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Positions of Safety Decals and Instruction Decals_002
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Positions of Safety Decals and Instruction Decals_003
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Positions of Safety Decals and Instruction Decals_004
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Positions of Safety Decals and Instruction Decals_005
LM331
Product Overview
Page 3-8 Safety Signs and Instruction Signs
1 Decal, left panel
2 Decal, diesel fuel filler
3 Decal, hydraulic oil
4 Decal, keep away from fire
5 Decal, caution for high temperatures
6 Decal, caution for pinching
7 Decal, caution to getting entangled
8 Decal, caution for spouting coolant
9 Decal, read Owner's Operating Manual
Description of Safety Decals andInstruction DecalsLeft panel decal
LM331--0928Z0Decal, left panel
Warning
Read the Owner's Operating Manual.
Warning
Apply the parking brake, stop the engine, andthen remove the ignition key before leavingthe machine.
Caution
Flying objects - Be sure that people aroundthe machine keep a safe distance away.
Warning
May cut your hand or leg - Keep hands andfeet away from moving parts.
Warning
Be careful of exhaust emissions.
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Rollover - Do not work on slopes of 15degrees or more.When you descend a slope, drive at lowspeed with the mower units lowered.Fasten your seatbelt.
Warning
Rollover - Do not switch between 2WD and3WD while traveling on downward slopes.Do not set the reel rotation switch to the"Rotation" (reel rotation) position whiletraveling on downward slopes.Do not travel in three-wheel drive ondownward slopes.
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Left panel decal_001
Diesel fuel icon
K4209001000Diesel fuel iconUse diesel fuel.
xmitt2-001
Diesel fuel icon_001
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Page 3-9Safety Signs and Instruction Signs
Hydraulic oil icon
K4209000980Hydraulic oil iconRead the Owner's Operating Manual.
i77xz6-001
Hydraulic oil icon_001
Fire prohibited decal
K4205001940Decal, fire prohibited
Warning
Keep away from fire.
r653fo-001
Fire prohibited decal_001
Caution for high temperatures decal
K4205001920Decal, caution for high temperatures
Caution
High temperature - Do not touch. Otherwise,you will get burned.
xekv4l-001
Caution for high temperatures decal_001
Caution to getting pinched decal
K4205001930Decal, caution to getting pinched
Caution
May pinch - There is a risk of being pinched.
tgp289-002
Caution to getting pinched decal_001
LM331
Product Overview
Page 3-10 Safety Signs and Instruction Signs
Caution to getting entangled decal
K4205001910Decal, caution to getting entangled
Warning
Watch for rotating parts - Keep your handsaway from the belts while the engine isrunning.
hj8m6e-001
Caution to getting entangled decal_001
Caution for spouting coolant decal
K4205001970Decal, caution for spouting coolant
Caution
Caution for spouting coolant - Do not openwhile hot.
pwb8d2-001
Caution for spouting coolant decal_001
Decal on reading owner's operating manual
K4205001560Decal, read Owner's Operating Manual
Warning
Read the Owner's Operating Manual.
tpfrw8-001
Decal on reading owner's operating manual_001
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LM331
Product Overview
Page 3-11Safety Signs and Instruction Signs
LM331
Product Overview
Page 3-12 Safety Signs and Instruction Signs
Inspection Before Use ...........................Page 4-2
Radiator ................................................. Page 4-2Coolant .................................................. Page 4-3Oil cooler ................................................Page 4-4Hydraulic Oil .......................................... Page 4-4Air Cleaner .............................................Page 4-5Battery ................................................... Page 4-6Tire .........................................................Page 4-7Brake ..................................................... Page 4-7Belt .........................................................Page 4-8Wire ....................................................... Page 4-8Around the Engine .................................Page 4-8Engine Oil .............................................. Page 4-8Fuel ........................................................Page 4-9Water Separator .................................. Page 4-10Fuel filter ..............................................Page 4-12Oil Leakage ......................................... Page 4-12Grass Catcher ......................................Page 4-12
Tightening torques .............................. Page 4-13
Standard tightening torques ................ Page 4-13Principal tightening torques ................. Page 4-15
Adjustment Before Operating .............Page 4-16
Adjustment of Steering Wheel ............. Page 4-16Adjustment of Seat .............................. Page 4-16Adjustment of Mower Stopper Pin ....... Page 4-16Adjustment of Mower Stabilizer ........... Page 4-17
Procedure to Start / Stop Engine ....... Page 4-18
Start / Stop of Engine .......................... Page 4-18Safety Mechanisms ............................. Page 4-19Warning Mechanisms .......................... Page 4-19
Operation of Each Section ..................Page 4-20
Cautions for when You Leave theMachine ............................................... Page 4-20Positions of Operation Decals ............. Page 4-20Description of Operation Decals ..........Page 4-21Proximity Sensor ..................................Page 4-252WD/3WD Selector Lever ....................Page 4-25Light Switch ......................................... Page 4-25
Throttle Lever .......................................Page 4-26Mower Unit Up/Down Lever .................Page 4-26Stop Valve ........................................... Page 4-26Reel Rotation Switch ........................... Page 4-27Reel Reverse Switch ........................... Page 4-27Reel Rotation/Stop Switching Lever .... Page 4-28Traveling Pedal ....................................Page 4-28Brake Pedal ......................................... Page 4-28Parking Brake Lever ............................ Page 4-29Hood .................................................... Page 4-29Rear Cover .......................................... Page 4-30Center Cover ....................................... Page 4-31Battery Cutoff Switch ........................... Page 4-31
Instruments .......................................... Page 4-31
Instruments in the Meter Panel ............Page 4-31Water Temperature Gauge ..................Page 4-32Fuel Gauge ..........................................Page 4-32Pilot Lamps ..........................................Page 4-32Hour Meter ...........................................Page 4-33
Travel of Machine ................................ Page 4-33
Traveling Procedure ............................ Page 4-33Towing the Machine ............................ Page 4-34
Cutting Work ........................................ Page 4-35
Cutting Work ........................................Page 4-35Removal/Installation of GrassCatcher ................................................ Page 4-36
Transporting .........................................Page 4-36
Transporting Procedure .......................Page 4-36H
andl
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Inst
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LM331
Handling Instructions
Page 4-1
Inspection Before UseBe sure to perform an inspection before youstart using the machine so that you will be ableto take advantage of its optimum performancefor a long period of time.
RadiatorInspection of Radiator
Make sure that there is no damage to theradiator.Make sure that the radiator is notcontaminated.
Cleaning of Radiator
Important
An unclean radiator may cause the engine tooverheat or seize.It may also cause malfunction of the hydraulicsystem.
Important
Do not use solid objects, such as a spatula orscrewdriver, or high-pressure water to cleanthe radiator or oil cooler.Otherwise, special fins or tubes may bedamaged, possibly resulting in reducedcooling performance or coolant leakage.
Open the hood."Hood" (Page 4-29)Pull up the dust screen to remove it.
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va4j43-009
Cleaning of Radiator_001
1 Hood
2 Dust screen
1.
2.
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2.
Carefully clean the front and back of thedust screen and radiator with water orcompressed air.
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va4j43-010
Cleaning of Radiator_002
1 Hood
2 Radiator
3 Oil cooler
3.
LM331
Handling Instructions
Page 4-2 Inspection Before Use
CoolantInspection of Coolant
Caution
Do not touch the radiator or coolant duringengine operation or immediately after theengine has been turned off.Otherwise, you may get burned.
Caution
Inspection should take place after the enginehas well cooled down.
Make sure that the coolant level in thereserve tank is between "FULL" and"LOW.”
FULL
LOW
1
ckvlsx-001
Inspection of Coolant_001
1 Reserve tank
Coolant Supply
Caution
Do not touch the radiator or coolant duringengine operation or immediately after theengine has been turned off.Otherwise, you may get burned due to hightemperatures.After the radiator has cooled down sufficiently,open the radiator cap.
Caution
Supply coolant after the engine has wellcooled down.
1.
Caution
The radiator cap is pressurized.If you remove the radiator cap while theengine is overheated, hot steam will burst out,possibly resulting in burns.Make sure that the water temperature andpressure are reduced, and then grab the capwith a thick cloth and gradually open the cap.
Important
When you supply coolant, be sure to useclean water, such as tap water.
Important
Tightly close the radiator cap.If the cap is loose or incorrectly installed,water may leak and the engine may overheat.
If the coolant level in the reserve tank islower than the "LOW" mark, open thereserve tank cap and fill the tank with cleanwater up to the "FULL" mark.
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ouuoov-023
Coolant Supply_001
1 Reserve tank
2 Reserve tank cap
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Handling Instructions
Page 4-3Inspection Before Use
If no coolant is in the reserve tank, followthe steps below to fill the tank with cleanwater.
Open the radiator cap, and then supplyclean water up to the opening.Open the reserve tank cap, and thensupply clean water up to the "FULL"mark.
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ouuoov-018
Coolant Supply_002
1 Radiator cap
2 Radiator
Oil coolerInspection of Oil Cooler
Make sure that there is no damage to theoil cooler.Make sure that the oil cooler is notcontaminated.
Cleaning of Oil Cooler
Important
An unclean oil cooler may cause malfunctionof the hydraulic system.
Important
Do not use solid objects, such as a spatula orscrewdriver, or high-pressure water to cleanthe radiator or oil cooler.Otherwise, special fins or tubes may bedamaged, possibly resulting in reducedcooling performance or coolant leakage.
2.
[1]
[2]
1.
2.
If the oil cooler has been contaminated withdust, be sure to clean it.Especially after operating the machine in adusty environment, it is important to removedust as soon as possible.
Open the hood."Hood" (Page 4-29)Pull up the dust screen to remove it.
123
va4j43-010
Cleaning of Oil Cooler_001
1 Hood
2 Radiator
3 Oil cooler
Carefully clean the front and back of the oilcooler with water or compressed air.
Hydraulic OilInspection of Hydraulic Oil
The oil gauge is located on the back of thehydraulic tank.
Raise the mower units and maintain thatposition on a level surface.Make sure that the oil level is at the middleof the oil gauge.
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olekci-005
Inspection of Hydraulic Oil_001
1 Oil gauge
Check underneath the machine forhydraulic oil leakage.
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3.
LM331
Handling Instructions
Page 4-4 Inspection Before Use
Hydraulic Oil Supply
Important
Do not mix different types of oil.
Important
Use Shell Tellus S2M46 (or equivalent) ashydraulic oil.
Remove the rear cover.If the hydraulic oil level is low, follow thesteps below to supply oil.
Open the tank cap, and then supplyhydraulic oil through the oil filling portuntil the oil level reaches the middle ofthe oil gauge on the hydraulic tank.
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3
2
pfdche-014
Hydraulic Oil Supply_001
1 Hydraulic tank
2 Oil gauge
3 Tank cap
Tighten the tank cap securely.Start the engine, raise and lower the mowerunits, and turn the steering wheel left andright.Move forward and reverse repeatedlyseveral times.Raise the mower units and maintain thatposition on a level surface, and then checkto see if the oil level is at the middle of theoil gauge. If necessary, supply oil.Check underneath the machine forhydraulic oil leakage.Install the rear cover.
1.2.
[1]
[2]3.
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6.
Air CleanerInspection of Air Cleaner
The air cleaner is a component that removesdirt from the intake air to prevent wear of thecylinder liners and piston rings so that theengine will always operate smoothly.A contaminated air cleaner element maycause malfunction of the engine.
Make sure that there is no damage to theair cleaner.Make sure that the air cleaner element isnot contaminated.
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4
1
2
yt4sup-011
Inspection of Air Cleaner_001
1 Air cleaner element
2 Air cleaner body
3 Air cleaner cap
4 Clip
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Handling Instructions
Page 4-5Inspection Before Use
Cleaning of Air Cleaner
A contaminated air cleaner element maycause malfunction of the engine.To maximize the life of the engine, clean theair cleaner properly.
Follow the steps below to clean the aircleaner.
Unclip at two locations to remove the aircleaner cap, and then remove the aircleaner element.While paying close attention not todamage the air cleaner element, tap asolid portion of the air cleaner element orblow compressed air from its inside toremove dust and dirt.If the air cleaner element is extremelycontaminated, replace it with a new one.Attach the air cleaner element to the aircleaner body.Attach the air cleaner cap, and then fix itsecurely with the clips.
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4
1
2
yt4sup-011
Cleaning of Air Cleaner_001
1 Air cleaner element
2 Air cleaner body
3 Air cleaner cap
4 Clip
BatteryInspection of Battery
DangerDanger
Keep fire away while inspecting or chargingthe battery.The battery may explode.
1.
[1]
[2]
[3]
[4]
Warning
Do not allow the battery fluid level to becomelower than the LOWER LEVEL (minimum fluidlevel line).The battery may explode if it is used orcharged while the battery fluid level is at theLOWER LEVEL (minimum fluid level line).
Caution
Implement after the engine and muffler etc.have well cooled down.Otherwise you may get burned.
Clean the areas around the battery fluidlevel lines using a cloth dampened withwater.Make sure that the battery fluid level isbetween the UPPER LEVEL (maximumfluid level line) and the LOWER LEVEL(minimum fluid level line).
U P P E R L E V E L
L O W E R L E V E L
1
2
48yhlu-006
Inspection of Battery_001
1 UPPER LEVEL
2 LOWER LEVEL
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2.
LM331
Handling Instructions
Page 4-6 Inspection Before Use
Supply of Battery Fluid
DangerDanger
Be careful not to let your skin, eyes or clothes,etc., come into contact with the battery fluid oraccidentally swallow the fluid.Should your skin or clothes come into contactwith the battery fluid, immediately wash themaway with water.
DangerDanger
When you supply battery fluid, wear protectivegarments and safety glasses, etc.
Caution
Implement after the engine and muffler etc.have well cooled down.Otherwise you may get burned.
If the battery fluid level is lower thanhalfway between the UPPER LEVEL(maximum) line and LOWER LEVEL(minimum) line, add purified water up to theUPPER LEVEL (maximum) line.
U P P E R L E V E L
L O W E R L E V E L
1
2
48yhlu-006
Supply of Battery Fluid_001
1 UPPER LEVEL
2 LOWER LEVEL
1.
TireInspection of Tires
Check the pneumatic pressure of the tires.Make sure that there are no cracks,damage or abnormal wear.
Tire size Pneumatic pressureFrontwheel
20 x 12.00 - 10140 kPa(1.4 kgf/cm2)
Rearwheel
20 x 8.00 - 10140 kPa(1.4 kgf/cm2)
BrakeInspection of Brake
While traveling, depress the brake pedalfirmly to make sure that the brake is appliedeffectively.
Inspection of Parking Brake
Depress the brake pedal and pull theparking brake lever to check that theparking brake is applied effectively.Make sure that the brake is not appliedeven slightly after you depress the brakepedal to release the parking brake lever.
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2
r6e5n8-004
Inspection of Parking Brake 001
1 Brake pedal
2 Parking brake lever
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LM331
Handling Instructions
Page 4-7Inspection Before Use
BeltInspection of Belt
Warning
The engine must be stopped when the belt isinspected.
Caution
If you have removed the cover duringinspection, make sure that you replace it inthe original position securely.If the cover remains removed, the operatormay come in contact with the rotating objectsor belt, possibly resulting in injuries.
Important
A slacking or damaged belt or damaged fanmay cause overheating or lack of a batterycharge.
Press the middle of the belt with your fingerto check the belt tension.Make sure that there are no cracks,damage or abnormal wear.
WireInspection of Wire
Make sure that the wire is not cracked ordamaged.If the wire is cracked or damaged, replace itwith a new one immediately.
Around the EngineInspection of Engine-Associated Parts
Check the fuel system parts for loosened orcracked joints and leakage. Replace theparts if necessary.Blow compressed air to clean any grass orflammable materials that may be attachedon or around the muffler.
1.
2.
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2.
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2.
Engine OilInspection of Engine Oil
Important
Securely tighten the oil level gauge and oilfiller cap.
Stop the engine, wait for 10 to 20 minutesfor the engine to cool down, and then checkthe oil level.Position the machine so that the engine islevel, and then fully insert the oil levelgauge to check the oil level.
1
bgmiun-017
Inspection of Engine Oil_001
1 Oil level gauge
The appropriate oil level should be betweenthe upper and lower limit lines on thegauge.
2 31
rnr453-004
Inspection of Engine Oil_002
1 Oil level gauge
2 Upper limit
3 Lower limit
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3.
LM331
Handling Instructions
Page 4-8 Inspection Before Use
Supply of Engine Oil
Important
Do not supply too much engine oil. Otherwise,the engine may be damaged.
Important
Do not mix different types of engine oil.
Important
Be sure to use engine oil that is classified asAPI Service Grade CF or higher, with an SAEViscosity that is appropriate for the operatingenvironment (ambient temperature).
Important
Securely tighten the oil level gauge and oilfiller cap.
Engine oil is supplied through the oil fillercap.Remove the oil filler cap, and then supplynew engine oil until the oil reaches a levelin between the upper and lower limit lineson the oil level gauge.Securely install the oil filler cap.
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gui678-019
Supply of Engine Oil_001
1 Oil filler cap
It will take a while for the supplied engine oilto descend into the oil pan.Check the oil level again 10 to 20 minutesafter supplying the oil.
1.
2.
3.
FuelInspection of Fuel Quantity
With the machine on a level surface, observethe fuel gauge in the meter panel to check thefuel level.
E F
14
F U E L
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34
1
2e4emp-001
Inspection of Fuel Quantity_001
1 Fuel gauge
Supply of Fuel
Warning
Do not supply fuel above F (FULL) level of thefuel gauge.If you supply too much fuel, it might overflowfrom the cap when you travel or work on aslope.
Warning
Keep away from fire while refueling.Do not smoke while refueling.
If the fuel gauge in the meter panel indicatesa level close to E (EMPTY), supply fuel(diesel) at your earliest convenience.The fuel tank capacity is approximately 25.0dm3 (25.0 L).
1
2e4emp-006
Supply of Fuel_001
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LM331
Handling Instructions
Page 4-9Inspection Before Use
1 Tank cap
Water SeparatorInspection of Water Separator
Important
Water-contaminated fuel may impair enginestartability, decrease output or damage engineparts.
The water separator removes water from thefuel.
Make sure that debris and water have notaccumulated in the cup.With the float raised, water contamination isconfirmed.When the float reaches the drain level,drain the water.
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3
v1spa6-007
Inspection of Water Separator_001
1 Water Separator
2 Float
3 Cup
4 Drain level
Draining of Water Separator
Important
Water-contaminated fuel may impair enginestartability, decrease output or damage engineparts.
Drain water from the water separatoraccording to the maintenance schedule.And drain water whenever the float is raisedby water.
Stop the engine, and then turn the keyswitch to the "OFF" position.Place a container under the waterseparator.Close the fuel cock of the fuel filter.
1.
1.
2.
3.
Close the fuel cock of the water separator.
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A
B
v1spa6-005
Draining of Water Separator_001
1 Fuel cock
2 Air-bleeding plug
A ON (open)
B OFF (close)
Remove the ring nut, and then remove thecup.
3 2
1
v1spa6-006
Draining of Water Separator_002
1 Ring nut
2 Cup
3 Element
Drain the water from the cup.
Important
During installation, prevent contamination withdirt or dust.If the fuel is contaminated with dirt or dustetc., the fuel injection pump and injectionnozzle will become worn.
Correctly install all parts in their originalpositions.Fill up the fuel tank with fuel, and then openthe fuel cock of the fuel filter.
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8.
LM331
Handling Instructions
Page 4-10 Inspection Before Use
Open the fuel cock of the water separator.
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A
B
v1spa6-005
Draining of Water Separator_003
1 Fuel cock
2 Air-bleeding plug
A ON (open)
B OFF (close)
Loosen the air-bleed plug to bleed the air.When the cup is filled with fuel, close theair-bleed plug.If the engine does not start within 15seconds after switching the ignition key tothe "START" position, wait at least 30seconds, and then repeat the sameoperation.If there is still air in the cup after starting theengine, bleed the air again.
Cleaning of Water Separator
Important
Water-contaminated fuel may impair enginestartability, decrease output or damage engineparts.
Clean the water separator according to themaintenance schedule.And clean it whenever debris hasaccumulated in the cup.
Stop the engine, and then turn the keyswitch to the "OFF" position.Place a container under the waterseparator.Close the fuel cock of the fuel filter.
9.
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1.
2.
3.
Close the fuel cock of the water separator.
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A
B
v1spa6-005
Cleaning of Water Separator_001
1 Fuel cock
2 Air-bleeding plug
A ON (open)
B OFF (close)
Remove the ring nut, and then remove thecup.
3 2
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v1spa6-006
Cleaning of Water Separator_002
1 Ring nut
2 Cup
3 Element
Drain the water from the cup.Clean the cup and element with diesel fuel.
Important
During installation, prevent contamination withdirt or dust.If the fuel is contaminated with dirt or dustetc., the fuel injection pump and injectionnozzle will become worn.
Correctly install all parts in their originalpositions.Fill up the fuel tank with fuel, and then openthe fuel cock of the fuel filter.
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Handling Instructions
Page 4-11Inspection Before Use
Open the fuel cock of the water separator.
12
A
B
v1spa6-005
Cleaning of Water Separator_003
1 Fuel cock
2 Air-bleeding plug
A ON (open)
B OFF (close)
Loosen the air-bleed plug to bleed the air.When the cup is filled with fuel, close theair-bleed plug.If the engine does not start within 15seconds after switching the ignition key tothe "START" position, wait at least 30seconds, and then repeat the sameoperation.If there is still air in the cup after starting theengine, bleed the air again.
Fuel filterInspection of Fuel Filter
The fuel filter is positioned between the fuelstrainer and the engine, and cleans the fuelflowing into the carburetor.When the fuel flow becomes insufficient,replace the fuel filter if necessary.
Make sure that there is no fuel leakage.Make sure that the fuel filter is not damagedor dirty.
Oil LeakageInspection of Oil Leakage
Caution
When performing maintenance on thehydraulic system, lower the mower units.
After approximately 50 hours of operation,some tightened portions may be loosenedand oil and grease may leak.
10.
11.12.
13.
1.2.
Be sure to retighten the parts.Check the bottom of the machine for oil andgrease leakage.
Grass CatcherInspection of Grass Catcher
The grass catcher may no longer correctlycollect grass clippings due to its wear,damage, deformation, etc., caused byfrequent use.
Make sure that there is no wear ordeterioration of the grass catcher.Make sure that there is no damage to thegrass catcher.Make sure that there is no interference tomoving parts due to deformation of thegrass catcher.
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LM331
Handling Instructions
Page 4-12 Inspection Before Use
Tightening torques
Important
Refer to the Tightening Torque table.Note that the Baroness product warranty maynot apply to defects caused by incorrect orovertorque tightening, etc.
Standard tightening torquesBolts and Nuts
Important
A number of bolts are used in each part of this machine.Be sure to re-tighten the bolts and nuts, because they may be loosened at the earlier stage of theuse.
As to the bolts and nuts without any special instruction, tighten them in appropriate tightening torquewith proper tool.Too much tightening may cause the looseness or damage of the screw.The strength of tightening is determined by types of screws, strength, the friction of thread face orbase face and others.The table below is for the galvanized or parkerized bolts.In case that the strength of internal thread is weak, it is not applied.Do not use rusty or sand attached "screw."Otherwise, it may cause insufficient tightening even if you apply the specified tightening torque.The friction of the screw face becomes higher and the tightening torque is canceled out by thefriction, therefore sufficient tightening cannot be applied.If "screw" is wet by water or oil, do not tighten it with normal tightening torque.If the screw is wet, the torque coefficient will get smaller and it may result in too much tightening.Too much tightening may cause looseness by the screw stretched or result in damage.Do not use a bolt experienced too much burden.Using the impact wrench requires the skill.Do exercise as much as possible for steady tightening.
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Handling Instructions
Page 4-13Tightening torques
Nominaldiameter
General bolt
Strength classification 4.8
M 4 T4.8
tib3yb-001
N-m kgf-cm lb-in
M5 3 - 5 30.59 - 50.99 26.55 - 44.26
M6 7 - 9 71.38 - 91.77 61.96 - 79.66
M8 14 - 19 142.76 - 193.74 123.91 - 168.17
M10 29 - 38 295.71 - 387.49 256.68 - 336.34
M12 52 - 67 530.24 - 683.20 460.25 - 593.02
M14 70 - 94 713.79 - 958.52 619.57 - 831.99
M16 88 - 112 897.34 - 1142.06 778.89 - 991.31
M18 116 - 144 1,182.85 - 1,468.37 1,026.72 - 1,274.54
M20 147 - 183 1,498.96 - 1,866.05 1,301.10 - 1,619.73
M22 295 3,008.12 2,611.05
M24 370 3,772.89 3,274.87
M27 550 5,608.35 4,868.05
M30 740 7,545.78 6,549.74
Nominaldiameter
Heat-treated bolt
Strength classification 8.8 Strength classification 10.9
8 T8.8
8
tib3yb-002
11T10.9
11
tib3yb-003
N-m kgf-cm lb-in N-m kgf-cm lb-in
M5 5 - 7 50.99 - 71.38 44.26 - 61.96 7 - 10 71.38 - 101.97 61.96 - 88.51
M6 8 - 11 81.58 - 112.17 70.81 - 97.36 14 - 18 142.76 - 183.55 123.91 - 159.32
M8 23 - 29 234.53 - 295.71 203.57 - 256.68 28 - 38 285.52 - 387.49 247.83 - 336.34
M10 45 - 57 458.87 - 581.23 398.30 - 504.51 58 - 76 591.43 - 774.97 513.36 - 672.68
M12 67 - 85 683.20 - 866.75 593.02 - 752.34 104 - 134 1,060.49 - 1,366.40 920.50 - 1186.03
M14 106 - 134 1,080.88 - 1,366.40 938.21 - 1,186.03 140 - 188 1,427.58 - 1,917.04 1,239.14 - 1,663.99
M16 152 - 188 1,549.94 - 1,917.04 1,345.35 - 1,663.99 210 - 260 2,141.37 - 2,651.22 1,858.71 - 2,301.26
M18 200 - 240 2,039.40 - 2,447.28 1,770.20 - 2,124.24 280 - 340 2,855.16 - 3,466.98 2,478.28 - 3,009.34
M20 245 - 295 2,498.27 - 3,008.12 2,168.50 - 2,611.05 370 - 450 3,772.89 - 4,588.65 3,274.87 - 3,982.95
M22 - - - 530 5,404.41 4,691.03
M24 - - - 670 6,831.99 5,930.17
M27 - - - 1,000 10,197.00 8,851.00
M30 - - - 1,340 14,628.78 11,860.34
Note:The same values are applied to "fine screw thread."
LM331
Handling Instructions
Page 4-14 Tightening torques
Principal tightening torquesTightening Torque by Model
LM331Tighten the following bolts and nuts at the torque specified in the table.For thread locking adhesive, apply a middle strength thread locker (ThreeBond 1322 or equivalentanaerobic sealant).
Location Code Part nameTightening torque Thread
lockingadhesiveN-m kgf-cm lb-in
Frontwheel
Wheel mountingbase K0160000492 NUT, SPECIAL P1.5
M24 180 - 200 1835.46 -2039.40
1593.18 -1770.20 ○
Wheel K0011120302 BOLT, HT P1.5 M12-30 67 - 85 683.20 -866.75
593.02 -752.34 -
Brake pedal K0010080252 BOLT, HT M8-25 23 - 38 234.53 -387.49
203.57 -336.34 -
Rearwheel
Wheel mountingbase K0138240002 NUT, HIGH SLOTTED
P1.5 M24 180 - 200 1835.46 -2039.40
1593.18 -1770.20 -
Wheel K0011120302 BOLT, HT P1.5 M12-30 67 - 85 683.20 -866.75
593.02 -752.34 -
Steering shaft housing K0010100402 BOLT, HT M10-40 45 - 76 458.87 -774.97
398.30 -672.68 -
Steering shaft lid K0010100252 BOLT, HT M10-25 45 - 76 458.87 -774.97
398.30 -672.68 -
Engine baseK0017100252 BOLT, SMALL HT
P1.25 M10-25 45 - 57 458.87 -581.23
398.30 -504.51 -
K4043000010 RUBBER, ANTIVIBRATION 1340 - - - -
Pump bracket K0010080302 BOLT, HT M8-30 23 - 38 234.53 -387.49
203.57 -336.34 -
Engine pulley K0010080202 BOLT, HT M8-20 23 - 38 234.53 -387.49
203.57 -336.34 -
Hydraulic pump K0010120502 BOLT, HT M12-50 67 - 134 683.20 -1366.40
593.02 -1186.03 -
Steering cylinderLM331--0722Z2 BOLT, STEPPED M12 - - - ○
K0000080202 BOLT, M8-20 - - - ○
ROPS K0010120402 BOLT, HT M12-40 67 - 134 683.20 -1366.40
593.02 -1186.03 -
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LM331
Handling Instructions
Page 4-15Tightening torques
Adjustment Before OperatingAdjustment of Steering Wheel
Warning
Do not make adjustments while traveling sincedoing so is dangerous.
Caution
Be sure the steering wheel position is securelylocked.It may result in an unexpected accident if itbecomes loose while traveling.
The steering wheel can be adjusted up ordown.Adjust the position to fit the operator.Shift the tilt lever to the "FREE" position, movethe steering wheel to the position that suits thework requirements, and then shift the tilt leverto the "LOCK" position to secure the steeringwheel in place.The tilt lever is located at the left in front of thedriver’s seat.
A
2
1
B75uxaw-012
Adjustment of Steering Wheel_001
1 Steering wheel
2 Tilt lever
A FREE (released)
B LOCK (locked)
Adjustment of SeatUse the seat adjustment levers to adjust theseat.Adjust the position to fit the operator.
Use the forward/backward adjustment leverto adjust the seat back and forth.Use the backrest tilt adjustment lever toadjust the angle of the backrest.
1.
2.
Pull out the suspension adjustment handleand move it up or down to adjust thefirmness of the seat suspension.Observe the suspension adjustment scalewhile making adjustments. (50 - 160 kg)
4
3 1
2
s1gskp-018
Adjustment of Seat_001
1 Forward/backward adjustment lever
2 Angle adjustment lever
3 Suspension adjustment handle
4 Suspension adjustment scale
Adjustment of Mower Stopper PinNote:Depending on the specifications, this functionmay not be available.The mower stopper pin can prevent or allowtilting of the mower units.Adjust according to the operating conditions.Fixed:
The mowing line while traveling straightahead is a straight line. (The mowing line iseasy to see.)The mower units do not tilt while operatingon slopes, and incomplete mowing can bereduced.
Released:It is appropriate when turning while mowingor it is easy to follow undulations.With the machine on a level surface, lowerall mower units.Apply the parking brake, and then stop theengine.Adjust the position of the mower stopper pin,and then insert the cotter pin.
3.
・
・
・
1.
2.
3.
LM331
Handling Instructions
Page 4-16 Adjustment Before Operating
To fix:Insert the cotter pin into the upper hole in themower stopper pin.
43
1
2famlj4-001
Adjustment of Mower Stopper Pin_001
1 Mower stopper pin
2 Cotter pin
3 Mower arm
4 Mower coupling
To release:Insert the cotter pin into the lower hole in themower stopper pin.
43
1
2famlj4-002
Adjustment of Mower Stopper Pin_002
1 Mower stopper pin
2 Cotter pin
3 Mower arm
4 Mower coupling
Adjustment of Mower StabilizerNote:Depending on the specifications, this functionmay not be available.
Important
After adjusting the cutting height, adjust themower stabilizer.
The mower stabilizer stabilizes the mower unitsand prevents an undulating finish (aphenomenon called Marcelling).
Lower all mower units on a level place.Apply the parking brake, and then stop theengine.Loosen the lock nut.Tighten the nut to adjust the length of thespring (compression).
Mower #2 and #3: 140.0 mm (5.51 in)Mower #1: 60.0 mm (2.36 in)
Tighten the lock nut.
A1 2
3 3ttzyg-002
Adjustment of Mower Stabilizer_001
1 Lock nut
2 Nut
3 Spring
AMower #2 and #3: 140.0 mm (5.51 in)
Mower #1: 60.0 mm (2.36 in)
1.2.
3.4.
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5.
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Handling Instructions
Page 4-17Adjustment Before Operating
Procedure to Start / Stop EngineStart / Stop of EngineProcedure to Start Engine
Caution
Before starting the engine, make sure thatthere are no other people or obstacles aroundthe machine.
Caution
Starter operation must take 15 seconds orless.If the engine still does not start, stop using thebattery for 30 to 60 seconds to avoidexhausting the battery.
Open the fuel cock of the water separator.Open the fuel filter cock.
2 1
v2e27i-053
Procedure to Start Engine_001
1 Water Separator
2 Fuel filter
Sit on the seat.Make sure that you have depressed thebrake pedal and applied the parking brake.Set the reel rotation switch to the "Stop"position.Move the mower unit up/down lever to theneutral position.Make sure that the traveling pedal is in theneutral position.
1.2.
3.4.
5.
6.
7.
Shift the throttle lever from the "Low speed"position halfway to the "High speed"position.
Important
The thermo-start lamp turns off at thespecified time. However, the lamp turning offis not related to the glow plug generating heat.If the ignition key is left in the "GLOW"position after the lamp is turned off, the plugwill still generate heat.The thermo-start lamp will stay illuminated forfive seconds.
Switch the ignition key to the "GLOW"position.
1
AB
C
D
v2e27i-010
Procedure to Start Engine_002
1 Ignition key
A OFF
B ON
C GLOW
D START
Make sure that the glow plug is generatingheat and the thermo-start lamp is turned on.
1
q44uug-002
Procedure to Start Engine_003
1 Thermo-start lamp
8.
9.
10.
LM331
Handling Instructions
Page 4-18 Procedure to Start / Stop Engine
After the thermo-start lamp turns off,immediately set the ignition key to the"START" position.
Important
Quickly returning the ignition key from the"START" position to the "ON" position mayresult in damage to the device.
When the starter starts rotating and theengine starts, slowly return the ignition keyto the "ON" position.Make sure that the charge lamp and oilpressure lamp turn off.If they do not turn off, stop the engine andinspect the machine.
1 2
v2e27i-017
Procedure to Start Engine_004
1 Charge lamp
2 Oil pressure lamp
Shift the throttle lever to the "Low speed"position, and then warm up the engine for1-2 minutes.Gradually move the throttle lever to the"High speed" position.
Procedure to Stop Engine
Set the traveling pedal to the neutralposition.Depress the brake pedal, and then applythe parking brake lever.Set the reel rotation switch to the "Stop"position.Shift the throttle lever toward the "Lowspeed" position, and then let the engine idlefor 1 to 2 minutes.Switch the ignition key to the "OFF"position.Make sure that the engine has stopped.Remove the ignition key.Leave the driver's seat.
11.
12.
13.
14.
15.
1.
2.
3.
4.
5.
6.7.8.
Close the fuel cock of the fuel filter.Close the fuel cock of the water separator.
Safety MechanismsThis machine features a safety device forstarting/stopping the engine.
As for starting the engine, the safety deviceprevents the engine from starting unless itmeets each of the following four conditions.
An operator is sitting on the seat.The parking brake is applied.The reel rotation switch is set to the "Stop"position.The traveling pedal is set to the neutralposition.
Important
When you restart the engine after the safetydevice stops the engine, be sure to return theignition key to the "STOP" position first, andthen restart it.Otherwise the engine does not start.
In the event the operator leaves the seat withthe parking brake applied and the enginerunning, the safety device will be activatedand will stop the engine under any of thefollowing conditions:
The traveling pedal is not set to the neutralposition. (The operator has depressed thetraveling pedal.)The reel rotation switch is set to the"Rotate" position.
Warning MechanismsThis machine features a warning mechanismfor overheating.
If water temperature inside the engineexceeds 105 degrees Celsius, a buzzer willsound. (intermittent tone)
9.10.
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2.
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Handling Instructions
Page 4-19Procedure to Start / Stop Engine
Operation of Each SectionCautions for when You Leave the Machine
Caution
If the brakes are not sufficiently effective, usethe wheel stoppers to secure the machine.
Positions of Operation Decals
2
3
1
6n6oux-137
Positions of Operation Decals_001
4
65
6n6oux-138
Positions of Operation Decals_002
2WD
3W
D
7
6n6oux-139
Positions of Operation Decals_003
8
9
6n6oux-140
Positions of Operation Decals_004
11
10
6n6oux-141
Positions of Operation Decals_005
12
6n6oux-142
Positions of Operation Decals_006
13
14
6n6oux-143
Positions of Operation Decals_007
LM331
Handling Instructions
Page 4-20 Operation of Each Section
1 Decal, key switch
2 Decal, engine rotation
3 Decal, light switch
4 Decal, mower unit up/down lever
5 Decal, reel rotation switch
6 Decal, stop valve operation
7 Decal, 2WD/3WD selector lever
8 Decal, tilt steering
9 Decal, parking brake
10 Decal, FORWARD
11 Decal, BACKWARD
12 Decal, lapping switch
13 Decal, reel rotation
14 Decal, reel stop
Description of Operation DecalsKey switch decal
Key switch decalThis indicates the key switch positions.
STOP1
4
3
2
rcyo1p-002
Key switch decal_001
1 OFF
2 ON
3 GLOW
4 START
Engine rotation decal
Engine rotation decalThis indicates high/low speed of the enginerotation.
1
2kp2t9l-002
Engine rotation decal_001
1 High speed
2 Low speed
Light switch decal
Note:Depending on the specifications, this functionmay not be available.Light switch decalThis indicates the light switch positions.
1
2
mzmbmi-002
Light switch decal_001
1 ON
2 OFF
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Handling Instructions
Page 4-21Operation of Each Section
Mower unit up/down lever decal
Decal, mower unit up/down leverThis indicates the Up/Down positions of themower unit.
1
28kzlbt-001
Mower unit up/down lever decal_001
1 Down
2 Up
Reel rotation switch mark
Reel rotation switch markIt illustrates Rotation/Stop of the reel cutter(cutting cylinder).
1
26ntnq3-001
Reel rotation switch mark_001
1 Rotation
2 Stop
Stop valve operation decal
Stop valve operation decalIt illustrates Stop/Open of the stop valve.
1
2
55wqhi-001
Stop valve operation decal_001
1 Stop
2 Open
2WD - 3WD selector lever decal
2WD - 3WD selector lever decalThis indicates the 2WD/3WD positions.
2WD
3WD
1
2
sdts98-001
2WD - 3WD selector lever decal_001
1 3WD
2 2WD
LM331
Handling Instructions
Page 4-22 Operation of Each Section
Tilt steering decal
K4203001500Tilt steering decalThis illustrates the tilt directions of thesteering wheel and the locked/free positions.
1
2
hj3943-002
Tilt steering decal_001
Parking brake decal
K4203001340Parking brake decalThis shows how to lock and release theparking brake.
1
2
kgtxi7-002
Parking brake decal_001
1 Lock
2 Release
FORWARD decal
K4203001430Decal, FORWARDThis indicates forward travel.
FORWARD
kqca3e-001
FORWARD decal_001
BACKWARD decal
K4203001440Decal, BACKWARDThis indicates backward travel.
BACKWARD
kqca3e-002
BACKWARD decal_001
Lapping switch decal
LM331--0556Z0Lapping switch decalThis indicates the ON/OFF positions for backlapping.
1
2
v57o51-002
Lapping switch decal_001
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Handling Instructions
Page 4-23Operation of Each Section
1 ON (back lapping rotation)
2 OFF (mowing rotation)
Reel rotation decal
K4203001300Decal, reel rotationThis indicates rotation of the reel cutter(cutting cylinder).
if834g-001
Reel rotation decal_001
Reel stop decal
K4203001300Decal, reel stopThis indicates stop of the reel cutter (cuttingcylinder).
if834g-002
Reel stop decal_001
LM331
Handling Instructions
Page 4-24 Operation of Each Section
Proximity SensorThere is a proximity sensor on #2 mower armfulcrum.This sensor detects the raised or loweredpositions of mower unit #2. The information isrelated to controlling rotation and stop of thereel cutter (cutting cylinder).
1
qeetgd-018
Proximity Sensor_001
1 Proximity sensor
2WD/3WD Selector Lever
Caution
Before switching between 2WD and 3WDoperation, make sure that the machine iscompletely stopped.
Caution
Since traveling on steep downward slopes,wet surfaces and wet grassy downwardslopes in 3WD is dangerous, use 2WD.Otherwise, the rear tires may slip and travelcontrol may be lost.
The 2WD/3WD selector lever is located to theleft of the driver's seat.When the lever is shifted forward, 3WD modeis selected. When the lever is shiftedbackward, 2WD mode is selected.
A
B
2WD
3W
D
1
9hc94o-001
2WD/3WD Selector Lever_001
1 2WD/3WD selector lever
A 3WD
B 2WD
Light Switch
Caution
The lights provide auxiliary lighting.Do not travel or operate the machine at nightor under poor visibility.
Note:Depending on the specifications, this functionmay not be available.The light switch is located in the meter panel.When the switch is set to the "ON" position, thelights turn on. When it is set to the "OFF"position, the lights turn off.
A
B
1
bnec97-021
Light Switch_001
1 Light switch
A ON
B OFF
Note:The lights will not turn on when the key switchis set to the "OFF" position.
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Handling Instructions
Page 4-25Operation of Each Section
Throttle LeverThe throttle lever is located in the meter paneland enables you to adjust the engine rpm.Move the throttle lever toward the "High speed"position to increase the engine rpm, andtoward the "Low speed" position to reduce therpm.Note:The factory default maximum engine rpm is2,800 rpm.
1
A
B
ef6hsk-015
Throttle Lever_001
1 Throttle lever
A High speed
B Low speed
Mower Unit Up/Down Lever
Caution
Before raising or lowering the mower units, besure to sit on the seat.
Caution
Before raising or lowering the mower units,make sure that there are no people aroundthe machine.
Caution
Be careful since shifting the mower unit up/down lever to the "DOWN" position lowers themowers, even while the engine is stopped.
Important
Before operating the mower unit up/downlever, be sure to set the stop valve to the"Open" position.
The mower unit up/down lever is located in theoperation panel (to the right of the driver's seat)and raises or lowers the mower units.Shift the lever to the "DOWN" position to lowerthe mower units, and shift it to the "UP"position to raise the mower units.
1
C
A
B
6yy3b4-008
Mower Unit Up/Down Lever_001
1 Mower unit up/down lever
A Neutral
B Up
C Down
Note:Even if the reel rotation switch is set to the"Rotation" position, the reel cutter (cuttingcylinder) stops rotating when the mower unitsare raised.
Stop Valve
Caution
When you move the machine, or if you stopthe engine with the mower units raised, besure to set the stop valve to the "Stop"position.
The stop valve is located in the operation panel(to the right of the driver's seat).This valve prevents all raised mower units fromfalling.
A
1
Bofo39l-008
Stop Valve_001
LM331
Handling Instructions
Page 4-26 Operation of Each Section
1 Stop valve
A Open
B Stop
Reel Rotation Switch
Caution
Set the reel rotation switch to the "Rotation”position immediately before starting cuttingwork. At all other times, be sure to leave thereel rotation switch set to the "Stop" position.
The reel rotation switch is located in theoperation panel (to the right of the driver's seat)and operates rotation of the reel cutters(cutting cylinders) of the mower units.When the reel rotation switch is set to the"Rotation" position, the reel cutters (cuttingcylinders) of all mower units will rotate forcutting work. When the reel rotation switch isset to the "Stop" position, the reel cutters(cutting cylinders) will stop.
1 A
B
mh4pyw-011
Reel Rotation Switch_001
1 Reel rotation switch
A Rotation
B Stop
Reel Reverse Switch
Important
Do not switch the reel reverse switch to the"ON" or "OFF" position while the reel cutter(cutting cylinder) is rotating.Otherwise, a hydraulic system malfunctionmay result.
Important
If the reel rotation switch is not set to the"Rotation" position, the reel cutter (cuttingcylinder) will not rotate.
The reel reverse switch is located under thehood.This switches the rotation direction of the reelcutter (cutting cylinder).When the reel reverse switch is set to the "ON"position, the reel cutters (cutting cylinders) ofall mower units rotate in reverse (back lappingrotation). When the reel reverse switch is set tothe "OFF" position, the reel cutters (cuttingcylinders) rotate normally.
A
B
1
kp6cmu-005
Reel Reverse Switch_001
1 Reel reverse switch
A ON (reverse rotation)
B OFF (normal rotation)
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Handling Instructions
Page 4-27Operation of Each Section
Reel Rotation/Stop Switching Lever
Caution
Before operating the reel rotation/stopswitching lever, be sure to set the reel rotationswitch to the "Stop" position.
The reel rotation/stop switching lever is locatedon the reel motor attached to each mower unit.It is used during cutting and back lapping.Shift the lever(s) to the "Rotation" position onlyfor the mower unit(s) to be used for cutting orback lapping. Leave the lever(s) for othermower units in the "Stop" position.
A
B
1
zzpqiy-003
Reel Rotation/Stop Switching Lever_001
1 Reel rotation/stop switching lever
A Rotation
B Stop
Traveling PedalThe traveling pedal is located in the right footarea.When the forward end is depressed, themachine travels forward. When the backwardend is depressed, the machine travelsbackward.
1 A
Byo3h9x-010
Traveling Pedal_001
1 Traveling pedal
A Forward
B Backward
Brake PedalThe brake pedal is located in the left foot area.To stop the machine, firmly depress the brakepedal.
1
2
r6e5n8-004
Brake Pedal_001
1 Brake pedal
2 Parking brake lever
LM331
Handling Instructions
Page 4-28 Operation of Each Section
Parking Brake Lever
Caution
Never park the machine on a slope.
Important
Be sure to release the parking brake beforedriving.Otherwise, the brakes or hydraulic systemmay malfunction.
The parking brake lever is located under theleft side of the meter panel.To park the machine, depress the brake pedaland pull the parking brake lever completely.To release the parking brake, depress thebrake pedal again.
1
2
r6e5n8-004
Parking Brake Lever_001
1 Brake pedal
2 Parking brake lever
Hood
Caution
Do not open the hood in strong winds.
Caution
Be careful not to pinch your fingers when youopen or close the hood.
Important
Before opening the hood, be sure to lower themower units.In addition, do not raise the mower units whilethe hood is open.Otherwise, the hood will be damaged.
Loosen the lock bolt for the hood.
1
i5jb7e-021
Hood_001
1 Lock bolt
Release the rubber catches on the left andright sides.
1
i5jb7e-022
Hood_002
1 Rubber catch
Lift up the hood.
1
i5jb7e-023
Hood_003
1 Hood
Close the hood slowly.Hook the rubber catches without fail.Tighten the lock bolt for the hood.
1.
2.
3.
4.5.6.
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Handling Instructions
Page 4-29Operation of Each Section
Rear Cover
Caution
Do not remove the rear cover in strong winds.
Caution
Be careful not to pinch your fingers whenremoving or installing the rear cover.
Remove the bolts on the rear cover.Left and right mounting bolts (one each)
1
2
uemj7o-007
Rear Cover_001
1 Rear cover
2 Bolt
Rear mounting bolts (two)
1
2
uemj7o-008
Rear Cover_002
1 Rear cover
2 Bolt
Bring the seat to the very front position.
1.
2.
If the ROPS or the ball proof net is installed,follow the steps below to fold back theROPS.
Remove the clip pins on the left and rightsides of the ROPS, and then remove thelock pins.
2
1uemj7o-009
Rear Cover_003
1 Clip pin
2 Lock pin
Fold back the ROPS.
1uemj7o-010
Rear Cover_004
1 ROPS
Pull up the rear cover to remove it.
1
uemj7o-011
Rear Cover_005
1 Rear cover
3.
[1]
[2]
4.
LM331
Handling Instructions
Page 4-30 Operation of Each Section
Center CoverBring the seat to the backmost position.Completely raise the steering wheel.Remove the bolt on each side of the centercover.
1
234
ih2p97-005
Center Cover_001
1 Center cover
2 Bolt
3 Spring washer
4 Washer
Remove the center cover.
Battery Cutoff Switch
Important
After disconnecting, switch the ignition key tothe "ON" position and check that the chargelamp and oil pressure lamp do not turn on.
The battery cutoff switch is located on top ofthe battery (behind the driver's seat, on theleft).This switch connects and disconnects thenegative battery cable.When the knob is tightened to set the switch tothe "ON" position, the negative battery cable isconnected. When knob is loosened to set theswitch to the "OFF" position, the negativebattery cable is disconnected.
1.2.3.
4.
B
A
1
16lvzs-001
Battery Cutoff Switch_001
1 Battery cutoff switch
A ON (connect)
B OFF (disconnect)
InstrumentsInstruments in the Meter Panel
21
3
6o7242-001
Instruments in the Meter Panel_001
1 Water temperature gauge
2 Fuel gauge
3
Pilot lamps
(charge lamp, thermo-start lamp, andoil pressure lamp)
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Handling Instructions
Page 4-31Instruments
Water Temperature GaugeThe water temperature gauge is located in themeter panel.This instrument indicates the watertemperature inside the engine.If the water temperature gauge indicates alevel close to "H" during operation, the machineis overheated.Remove the load from the engine, idle themachine for five minutes, stop the engine, andthen inspect the machine and perform anynecessary maintenance.If the water temperature exceeds 105 degreesCelsius, a buzzer will sound. (intermittent tone)
1
igozke-001
Water Temperature Gauge_001
1 Water temperature gauge
Fuel GaugeThe fuel gauge is located in the meter panel.This instrument indicates the quantity of fuelinside the fuel tank.
E F
14
F U E L
12
34
1
2e4emp-001
Fuel Gauge_001
1 Fuel gauge
Pilot LampsCharge Lamp
The charge lamp is the left pilot lamp, locatedin the meter panel.This lamp turns on when the ignition key is setto the "ON" position before the engine starts.It turns off when the engine starts and thealternator starts operating properly.If this lamp illuminates while you are operatingthe machine, stop the engine immediately,and then inspect the machine and performany necessary maintenance.
1
ifzqmc-002
Charge Lamp_001
1 Charge lamp
Thermo-start Lamp
The thermo-start lamp is the middle pilotlamp, located in the meter panel.When the ignition key is set to the "GLOW"position, this lamp turns on while the glowplug generates heat.Illumination of the thermo-start lamp iscontrolled by the glow lamp timer, and thelamp is turned off after a specified amount oftime passes.The duration of illumination indicates anapproximate period of time required for warm-up, and has been fixed at five seconds.
1
q44uug-002
Thermo-start Lamp_001
LM331
Handling Instructions
Page 4-32 Instruments
1 Thermo-start lamp
Oil Pressure Lamp
The oil pressure lamp is the right pilot lamp,located in the meter panel.This lamp turns on when the ignition key is setto the "ON" position before the engine starts.It turns off when the engine starts and engineoil pressure is generated properly.If this lamp illuminates while you are operatingthe machine, stop the engine immediately,and then inspect the machine and performany necessary maintenance.
1
1ldikn-002
Oil Pressure Lamp_001
1 Oil pressure lamp
Overheat Warning Buzzer
If the water temperature inside the engineexceeds 105 degrees Celsius, a buzzer willsound. (intermittent tone)Remove the load from the engine, idle themachine for five minutes, stop the engine, andthen inspect the machine and perform anynecessary maintenance.
Hour MeterThe hour meter is located under the hood andindicates the total operation time of the engine.Every six minutes of engine operation willincrease the number at the first digit (blacknumber on a white background) by one. Everyone hour of engine operation will increase thenumber at the next digit (white number on ablack background) by one.1/10 digit: Black number on white backgroundHour digits: White number on blackbackground
101
2 1uknn6v-001
Hour Meter_001
1 1/10 digit
2 Hour digits
Travel of MachineTraveling Procedure
Caution
Under any circumstances drive the machine atsuch a speed that you can stop it immediatelyfor emergencies.
Caution
Since traveling on steep downward slopes,wet surfaces and wet grassy downwardslopes in 3WD is dangerous, use 2WD.Otherwise, the rear tires may slip and travelcontrol may be lost.
Start the engine."Procedure to Start Engine" (Page 4-18)Raise all mower units, and then set the anti-falling stop valve to the "Stop" position.Depress the brake pedal to release theparking brake.Slowly depress the traveling pedal.The machine will start to travel.
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4.5.
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Handling Instructions
Page 4-33Travel of Machine
Towing the MachineIf the machine does not travel due to enginetrouble, etc., you can move it in the followingways:
Pushing by handTowing (See the following procedure.)
Caution
Before towing, check that the brake is appliedeffectively.
Caution
Before starting the engine, be sure to closethe unload valves.
Important
Do not touch the unload valve except whentowing the machine.
Important
When towing the machine, travel at a speedno more than 3.0 km/h.In addition, do not tow the machine for morethan 3 minutes.If the towing speed is too fast or there isexcessive movement, the pump or motor willbe damaged.
The unload valves are located under the floorpanel.
gay3t1-011
Towing the Machine_001
Stop the engine.Apply the parking brake.Chock the wheels.
・
・
1.2.3.
Secure the machine with ropes.Front side
gay3t1-022
Towing the Machine_002Rear side
gay3t1-023
Towing the Machine_003
Set the 2WD/3WD selector lever to the"2WD" position.
Important
For unloading, be sure to open the two unloadvalves.
Loosen the lock nut on each of the twounload valves.Tighten the two bolts to compress the unloadvalve operating pins and open the unloadvalves.
324 1
4
gay3t1-012
Towing the Machine_004
4.
5.
6.
7.
LM331
Handling Instructions
Page 4-34 Travel of Machine
1 Piston pump
2 Unload valve
3 Bolt
4 Lock nut
Remove the wheel stoppers.Depress the brake pedal to release theparking brake.
Warning
While towing, always keep your foot on thebrake pedal and depress the brake pedal atany time to stop.
Tow the machine slowly.
Cutting WorkCutting Work
Warning
Do NOT start to move or stop the machineabruptly.To do so is very dangerous. In addition, it maydamage the hydraulic system or result in oilleakage.
Caution
Cutting work must be performed at anappropriate speed for the site and location.When cutting over bumpy surfaces, keep theengine rpm steady, and slow down the cuttingspeed.
Caution
Reel rotation will be turned on or off based onthe sensor-detected position of the mowerunits.Please note that if you stop operating themower unit up/down lever before the mowerunits are raised completely, reel rotation maynot stop.
Important
Mow with the lever shifted to the "DOWN"position.When the lever is returned to the neutralposition, the cylinders are fixed, preventingmowing on undulations.
8.9.
10.
Shift the reel rotation/stop switching levers ofall mower units to the "Rotation" position.Start the engine."Procedure to Start Engine" (Page 4-18)Raise all mower units, and then set the anti-falling stop valve to the "Stop" position.Depress the brake pedal to release theparking brake.Shift the throttle lever to the "High speed"position to run the engine at the maximumspeed (2,800 rpm).Right before starting cutting work, set theanti-falling stop valve to the "Open" position.Shift the mower unit up/down lever to the"DOWN" position to lower the mower units.Set the reel rotation switch to the "Rotation"position to rotate the reel cutters (cuttingcylinders) of all mower units.Depress the traveling pedal to start cuttingwork.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Han
dlin
g In
stru
ctio
ns
LM331
Handling Instructions
Page 4-35Cutting Work
Removal/Installation of Grass Catcher
Caution
Stop the engine before removing or installingthe grass catcher.
Set the reel rotation switch to the "Stop"position.Lower the mower units.Apply the parking brake.Stop the engine.Remove or install the grass catcher.
Removal of grass catcher:Lift up the grass catcher, and remove themounting pins on the left and right of the grasscatcher from the grass catcher mountingbrackets.Installation of grass catcher:Install the mounting pins on the left and rightsides of the grass catcher into the grasscatcher mounting brackets.Mower unit #1
2
2
31
3
bos35l-002
Removal/Installation of Grass Catcher_001
1 Grass catcher
2 Grass catcher mounting bracket
3 Mounting pin
Mower unit #2
1 2
2
3
3
bos35l-003
Removal/Installation of Grass Catcher_002
1.
2.3.4.5.
1 Grass catcher
2 Grass catcher mounting bracket
3 Mounting pin
Mower unit #3
1 23
3
2 bos35l-004
Removal/Installation of Grass Catcher_003
1 Grass catcher
2 Grass catcher mounting bracket
3 Mounting pin
TransportingTransporting Procedure
When loading the machine into a trailer or atruck to transport it, drive the machine forward.When unloading, drive the machine in reverse.
LM331
Handling Instructions
Page 4-36 Transporting
Maintenance Precautions ..................... Page 5-2
Maintenance Schedule .......................... Page 5-3
Specified Values ....................................Page 5-7Adjusted Value ...................................... Page 5-7
Jacking up the machine ........................ Page 5-8
About the Jacking up the machine ........ Page 5-8Jack-up Points ....................................... Page 5-8Lifting Points .......................................... Page 5-9
Greasing ............................................... Page 5-10
About Greasing ....................................Page 5-10Greasing Points ................................... Page 5-10
Maintenance Work ............................... Page 5-13
Removing/Installing Tires .................... Page 5-13Adjustment of Belt Tension ..................Page 5-14Adjustment of Parking Brake ............... Page 5-15Adjustment of Brake ............................ Page 5-16Adjusting the Neutral Position of thePiston Pump ........................................ Page 5-16Change of Coolant ...............................Page 5-18Change of Hydraulic Oil .......................Page 5-19Replacement of Hydraulic Oil Filter ..... Page 5-20Change of Air Cleaner ......................... Page 5-21Replacement of Engine Oil ..................Page 5-22Replacement of Engine Oil Filter .........Page 5-23Replacement of Fuel Filter Element .... Page 5-23Change of Fuse ................................... Page 5-24
Long-Term Storage ..............................Page 5-25
Before Long-Term Storage ..................Page 5-25
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LM331
Maintenance
Page 5-1
Maintenance Precautions
Caution
First, learn well the maintenance operationsyou plan to perform.
Important
Use tools appropriate for each maintenanceoperation.
Important
For the safe and best performance of yourmachine, use Baroness genuine parts forreplacement and accessories.Please note that our product warranty may bevoid if you use non-genuine parts forreplacement or accessories.
LM331
Maintenance
Page 5-2 Maintenance Precautions
Maintenance ScheduleLM331Follow the maintenance schedule below.○・・・Inspect, adjust, supply, clean●・・・Replace (first time)△・・・Replace
Maintenance Item
Bef
ore
Wor
k
Afte
r Wor
k
Eve
ry W
eek
Eve
ry 5
0 hr
s.
Eve
ry 1
00 h
rs.
Eve
ry 2
00 h
rs.
Eve
ry 4
00 h
rs.
Eve
ry 5
00 h
rs.
Eve
ry 8
00 h
rs.
Eve
ry 1
500
hrs.
Eve
ry 3
000
hrs.
ever
y m
onth
Eve
ry 6
mon
ths
Eve
ry y
ear
Eve
ry 2
yea
rs
Eve
ry 4
yea
rs
Whe
n R
equi
red
Remarks
*3 Check engine oil level ○
*3 Check fuel level ○
*3 Check coolant level ○
*3 Check fan belt ○
*3Open air cleaner
evacuator valve toremove dust
○ ○
Open valveevery week ordaily in dusty
conditions Check hydraulic oil level ○
Check hydraulic hosescondition (Moving part) ○
Check tire pressures
and condition ○
Check V belt ○
Check traveling pedal
motion ○
Check brake function ○
Check brake wire ○
Check brake pedal play ○
Check oil or water leaks ○
Check damaged parts ○
Check tightening bolts
and nuts ○
Check light illumination ○
Check meters and
lamps ○ By starting the
engine
Check interlock system
safety function ○ By starting the
engine
Check steering wheelmotion (Lock to lock) ○
By starting theengine
Check mower arm
motion ○ By starting the
engine Clean machine exterior ○
Clean engine area ○
Clean radiator screen ○
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LM331
Maintenance
Page 5-3Maintenance Schedule
Maintenance Item
Bef
ore
Wor
k
Afte
r Wor
k
Eve
ry W
eek
Eve
ry 5
0 hr
s.
Eve
ry 1
00 h
rs.
Eve
ry 2
00 h
rs.
Eve
ry 4
00 h
rs.
Eve
ry 5
00 h
rs.
Eve
ry 8
00 h
rs.
Eve
ry 1
500
hrs.
Eve
ry 3
000
hrs.
ever
y m
onth
Eve
ry 6
mon
ths
Eve
ry y
ear
Eve
ry 2
yea
rs
Eve
ry 4
yea
rs
Whe
n R
equi
red
Remarks
Clean radiator core ○
Clean oil cooler core ○
Check electrical wiringcondition (Damage,
defacement and jointlooseness)
○ ○
50 hours firstcheck, every
100 hoursthereafter
Check looseness ofwheel mounting bolt ○ ○
50 hours firstcheck, every
100 hoursthereafter
Grease and Lubricate all
moving parts ○ ○ ○
Maintenanceschedules differ
according togreasing points
*2.*3 Check fuel hoses andclamp bands ○
*3 Change engine oil ● △
50 hours firstchange, every
100 hoursthereafter
*3 Replace oil filtercartridge ● △
50 hours firstchange, every
200 hoursthereafter
*2.*3
Clean air cleaner outerelement
(Replace the elementafter 6-time cleaning)
○ △
Replace every 6cleanings orevery yearwhichever
comes earlierAir cleanershould be
cleaned moreoften in dusty
conditions thanin normalconditions
Replace hydraulic oil ● △
100 hours firstchange, every
500 hoursthereafter
Replace hydraulic oil
filter ● △
100 hours firstchange, every
500 hoursthereafter
LM331
Maintenance
Page 5-4 Maintenance Schedule
Maintenance Item
Bef
ore
Wor
k
Afte
r Wor
k
Eve
ry W
eek
Eve
ry 5
0 hr
s.
Eve
ry 1
00 h
rs.
Eve
ry 2
00 h
rs.
Eve
ry 4
00 h
rs.
Eve
ry 5
00 h
rs.
Eve
ry 8
00 h
rs.
Eve
ry 1
500
hrs.
Eve
ry 3
000
hrs.
ever
y m
onth
Eve
ry 6
mon
ths
Eve
ry y
ear
Eve
ry 2
yea
rs
Eve
ry 4
yea
rs
Whe
n R
equi
red
Remarks
*4 Check exterior of battery ○ ○
Check every100 hours orevery monthwhichever
comes earlier
*4 Clean exterior of battery ○ ○
Check every100 hours orevery monthwhichever
comes earlier
*4 Check mounting bracketof battery ○ ○
Check every100 hours orevery monthwhichever
comes earlier
*4Check looseness andcorrosion of battery
terminals ○ ○
Check every100 hours orevery monthwhichever
comes earlier
*4 Check battery fluid level ○ ○
Check every100 hours orevery monthwhichever
comes earlier*3 Adjust fan belt tension ○
*3 Clean fuel filter pot ○
Draining of water
separator ○
*2 Check intake air line (aircleaner hose) ○
*3 Check radiator hosesand clamp bands ○ ○
Check every200 hours or 6
monthswhichever
comes earlier
Check hydraulic hosescondition (Fixed part) ○ ○
Check every200 hours orevery yearwhichever
comes earlier
*2.*3 Replace fuel filterelement △
Clean water separator ○
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LM331
Maintenance
Page 5-5Maintenance Schedule
Maintenance Item
Bef
ore
Wor
k
Afte
r Wor
k
Eve
ry W
eek
Eve
ry 5
0 hr
s.
Eve
ry 1
00 h
rs.
Eve
ry 2
00 h
rs.
Eve
ry 4
00 h
rs.
Eve
ry 5
00 h
rs.
Eve
ry 8
00 h
rs.
Eve
ry 1
500
hrs.
Eve
ry 3
000
hrs.
ever
y m
onth
Eve
ry 6
mon
ths
Eve
ry y
ear
Eve
ry 2
yea
rs
Eve
ry 4
yea
rs
Whe
n R
equi
red
Remarks
Clean water jacket and
radiator interior ○
*3 Replace fan belt △
*1 Check valve clearance ○
*1.*2 Check injection nozzle ○
*1.*2 Check injection pump ○
*3 Change radiator coolant(L.L.C.) △
*3 Replace radiator hosesand clamp bands △
*1.*2.*3
Replace fuel hoses andclamps △
*2 Replace intake air line(air cleaner hose) △
Replace hydraulic hoses
(Moving part) △
Replace hydraulic hoses
(Fixed part) △
Adjust brakes ○
Replace brake shoe △
Replace brake cables △
*4 Replace battery △
*1: Consult your local Baroness Dealer or local KUBOTA Dealer for this service.The items above (*2 marked) are registered as emission related critical parts by KUBOTA in theU.S. EPA nonroad emission regulation.As the engine owner, you are responsible for the performance of the required maintenance on theengine according to the above instruction.Please see the Engine's Warranty Statement in detail.*3: Refer to the Engine's Owner's Manual.*4: Refer to the Battery's Owner's Manual.The values for consumables are not guaranteed.Replace the steering cylinder hoses every 2 years.
・
・
・
・
・
・
LM331
Maintenance
Page 5-6 Maintenance Schedule
Specified Values
Fuel tank capacity 25.0 dm3 (25.0 L) Diesel fuelHydraulic tank capacity 26.0 dm3 (26.0 L) Shell Tellus S2M46 or equivalentQuantity of engine oil 3.7 dm3 (3.7 L) API Service grade class CF or higherCoolant volume 3.1 dm3 (3.1 L) Including reserve tank
Tire pneumatic pressureFront wheel 140 kPa (1.4 kgf/cm2) 20 x 12.00-10 4PRear wheel 140 kPa (1.4 kgf/cm2) 20 x 8.00-10 4P
Adjusted Value
Mower stabilizer spring#2, #3 140.0 mm (5.51 in) Total length of spring#1 60.0 mm (2.36 in) Total length of spring
Hydraulic pump drive belt 35.0 mm (1.38 in) Total length of spring Mai
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LM331
Maintenance
Page 5-7Maintenance Schedule
Jacking up the machineAbout the Jacking up the machine
Warning
When replacing a tire or beginning any othermaintenance or repairs, be sure to chock thewheels to prevent the machine from moving.Before jacking up the machine, park it on ahard, flat surface such as a concrete floor andremove any obstacles that could prevent youfrom performing the work safely.When necessary, use an appropriate chainblock, hoist, or jack.Support the machine securely with jack standsor appropriate blocks.Failure to do so may cause the machine tomove or fall, resulting in injury or death.
Use the jack-up points identified in this manualwhen jacking up the machine.Only place a jack under the jack-up pointsspecified.Placing a jack at any other point could result indamage to the frame or other parts.
Jack-up Points
4
1
3
2
rwyt62-092
Jack-up Points_001
Jack-up Points
1 Front right frame
2 Front left frame
3 Rear right frame
4 Rear left frame
Front right frame
rwyt62-093
Jack-up Points_002
Front left frame
rwyt62-094
Jack-up Points_003
Rear right frame
rwyt62-095
Jack-up Points_004
1.
2.
3.
LM331
Maintenance
Page 5-8 Jacking up the machine
Rear left frame
rwyt62-096
Jack-up Points_005
Lifting Points
Important
Be sure to use adequately strong cables.
1
2b5geiy-004
Lifting Points_001
Lifting points
1 Front right frame
2 Front left frame
Front right frame
b5geiy-005
Lifting Points_002
4.
1.
Front left frame
b5geiy-006
Lifting Points_003
2.
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LM331
Maintenance
Page 5-9Jacking up the machine
GreasingAbout Greasing
Since there may be adhesion or damage dueto lack of grease on moving parts, they mustbe greased.Add urea-based No. 2 grease in accordancewith the Maintenance Schedule.Other locations where the specified grease orlubricant is used are indicated in "GreasingPoints".Add grease using the specified grease orlubricant.
Greasing PointsGrease nipples are installed in the followinglocations.Add grease every 50 hours of operation.However, for locations where a time isspecified, add grease according to thatschedule.
9
1
1
1
82
3,4,6,7
5
10
111212
8bq62b-346
Greasing Points_001
LocationNo. of
greasingpoints
1 Lift arm fulcrum 5
2 Mower arm fulcrum 1
3 Brake pedal shaft fulcrum 1
4 Brake lever shaft 1
5 Rear wheel housing 1
6 Tension lever 1
7 Neutral cam lever 1
8 Traveling pedal shaft fulcrum 1
9 Traveling pedal relay lever 1
10 Front wheel brake lever 2
11 Mower lift cam lever 1
12 Mower coupling 2
Lift arm fulcrumMower unit #1There is one greasing point on the lift armfulcrum connected to the mower unit.
8bq62b-269
Greasing Points_002
Mower units #2 and #3There are two greasing points on the liftarm fulcrum connected to each mowerunit.
8bq62b-270
Greasing Points_003
1.
LM331
Maintenance
Page 5-10 Greasing
Mower arm fulcrumMower unit #1There is one greasing point on the mowerarm fulcrum.
8bq62b-271
Greasing Points_004
Brake pedal shaft fulcrum
8bq62b-272
Greasing Points_005
Brake lever shaftAdd grease every 100 hours of operation orevery year, whichever comes earlier.
8bq62b-273
Greasing Points_006
2.
3.
4.
Rear wheel housing
8bq62b-274
Greasing Points_007
Tension lever
8bq62b-275
Greasing Points_008
Neutral cam lever
8bq62b-276
Greasing Points_009
Traveling pedal shaft fulcrum
8bq62b-277
Greasing Points_010
5.
6.
7.
8.
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LM331
Maintenance
Page 5-11Greasing
Traveling pedal relay lever
8bq62b-278
Greasing Points_011
Front wheel brake leverThere is one greasing point each on the leftand right sides.Left side
8bq62b-330
Greasing Points_012Right side
8bq62b-331
Greasing Points_013
9.
10.
Mower lift cam lever
8bq62b-332
Greasing Points_014
Mower couplingMower unit #2 and #3There is one greasing point each on thecouplings connecting the mower units.
8bq62b-347
Greasing Points_015
11.
12.
LM331
Maintenance
Page 5-12 Greasing
Maintenance WorkRemoving/Installing TiresFront Tires
Follow the steps below to remove the fronttires:
Loosen the bolts.
1
lm2ieh-002
Front Tires_001
1 Heat-treated bolt
Securely place the jack beneath the jack-uppoint of the front left/right frame area, andthen raise it until the tire lifts off the ground."Jack-up Points" (Page 5-8)Remove the bolts.Remove the tire from the wheel mountingseat.
Important
Tighten the bolts in the tightening order(diagonally).
For installing the front tires, reverse theremoving procedure.
1.
2.
3.4.
Rear Tires
Follow the steps below to remove the reartires
Loosen the bolts.
1
upekw4-002
Rear Tires_001
1 Heat-treated bolt
Securely place the jack beneath the jack-uppoint of the rear frame area, and then raiseit until the tire lifts off the ground."Jack-up Points" (Page 5-8)Remove the bolts.Remove the tire from the wheel mountingbase.
Important
Tighten the bolts in the tightening order(crosswise).
For installing the rear tires, reverse theremoving procedure.
1.
2.
3.4.
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LM331
Maintenance
Page 5-13Maintenance Work
Adjustment of Belt Tension
Warning
Be sure to stop the engine before adjustingthe belts.
Important
Make sure that the belt has the specifiedamount of tension.Before making sure of its specified tension,rotate the belt several times.
If the belt becomes slack due to frequent use, itmay jump or slip.In addition, if it is overtightened, it may wearprematurely.If necessary, adjust it, and always check thebelt for appropriate tension.
Fan Belt
Press the middle of the belt with your fingerto check the belt tension.If the belt tension is incorrect, loosen bolt Aand bolt B (securing the alternator), andthen move the alternator to adjust thetension.
2
5
34
1
A
mzdn8n-004
Fan Belt_001
1 Fan Belt
2 Blade
3 Alternator
4 Bolt A
5 Bolt B
A 10 mm (0.39 in)
1.
2.
Hydraulic Pump Drive Belt
Open the hood.1
tts2ac-001
Hydraulic Pump Drive Belt_001
1 Hydraulic pump drive belt
Loosen the lock nut, and then turn the nutto adjust the length of the spring to 35.0mm (1.38 in).Secure with the lock nut.
1A
2
tts2ac-003
Hydraulic Pump Drive Belt_002
1 Lock nut
2 Nut
A 35.0 mm (1.38 in)
1.
2.
3.
LM331
Maintenance
Page 5-14 Maintenance Work
Adjustment of Parking Brake
Caution
Make sure that the brake wire is not crackedor damaged.
Important
Make sure that the brake is effective onslopes and that it is not applied any longerwhen you release it.Adjust the parking brake system wheneverthere is any abnormality.
Adjust the parking brake system by theadjustment bolt.
2
1
3nfzln9-007
Adjustment of Parking Brake_001
1 Brake wire
2 Adjustment bolt
3 Brake lever
Follow the steps below to adjust the parkingbrake.
Check position of the notch of the parkingbrake.Depress the brake pedal firmly, and thenpull the parking brake lever to engage thelatch on the notch.Make adjustment with the adjustment boltso as to locate position of the latch at 3 to4 notches from the bottom.
1.
[1]
[2]
[3]
35
2
14
ulabms-012
Adjustment of Parking Brake_002
1 Brake pedal
2 Notch
3 Latch
4 Adjustment bolt
5 Parking brake lever
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LM331
Maintenance
Page 5-15Maintenance Work
Adjustment of Brake
Caution
If the brake wire becomes broken, themachine will be unable to stop.If there are cracks, damage or other defects,replace it immediately.Adjust the brake wire if the brakes becomeless effective.
Important
Adjust the brake wire so that there is minimalplay with the brake lever, and so that thebrakes do not drag when the brake isreleased.
Adjust the foot brake by tightening theadjustment bolt on the brake wire.
Braking force will decrease if there is moreplay with the brake lever, and the brakepedal will feel lighter.Reducing play with the brake lever willincrease braking force and make thebrake pedal feel heavier.
2
1
3nfzln9-007
Adjustment of Brake_001
1 Brake wire
2 Adjustment bolt
3 Brake lever
Start the engine and drive to check thefollowing.
Make sure that heat is not generated inthe brake area.Make sure that the left and right brakesare equally effective.
Caution
It may result in an unexpected accident if theleft and right brakes are not equally effective.
1.
・
・
2.
・
・
If the left and right brakes are not equallyeffective, make fine adjustments with theadjustment bolt on the brake wire.
Break-in of Brakes
If the brake shoes or brake pads are worn,replace them with new ones.Immediately after replacement, drive to breakin the brakes if the effectiveness of the brakesis low.While driving, lightly operate the brakes tobreak in the contact areas.
Adjusting the Neutral Position of the PistonPump
Caution
Make sure not to touch rotating tires.
Caution
Be careful not to touch the muffler.
Caution
When adjusting the neutral position, pay closeattention to abrupt start of the machine.Place the jacks beneath the jack-up points,and then lift the machine until all the tires getoff the ground.
Important
Make sure that there is no abnormality in thebearings of the trunnion lever. If there is anabnormality, perform a replacement before thefollowing operation.
If the machine moves forward or backwardwhile the traveling pedals are released, theyare not set to the neutral position.Follow the steps below to make adjustments.
Stop the engine.Place the jacks beneath the jack-up points,and then lift the machine off the ground.Use stable jack stands, and raise themachine until the tires lift off the ground."Jack-up Points" (Page 5-8)Make sure that no tires get contact with thejack stand.Open the hood.
3.
1.2.
3.
4.
LM331
Maintenance
Page 5-16 Maintenance Work
Make sure that the length of the spring of thelever adjuster is 53.0 mm (2.09 in).Loosen the lock nut as necessary to makeadjustment.
A
123
fhjgud-016
Adjusting the Neutral Position of the Piston Pump_001
1 Lever adjustment bracket
2 Spring
3 Lock nut
A 53.0 mm (2.09 in)
Adjust the neutral position.Follow these steps to adjust the neutralposition.
When the tire moves in the direction offorward travel, slide the cam lever indirection A.When the tire moves in the direction ofbackward travel, slide the cam lever indirection B.Make sure that the engine has stopped.Turn the cam lever shaft boltcounterclockwise 60 ° or up to 120 ° toloosen it.Tap the cam lever fulcrum (pipe portion)with a plastic hammer in the direction ofblack arrow to slide the cam lever in thedirection A or B.Tighten the cam lever shaft bolt.
2
3
1A
B
hsn2jo-016
Adjusting the Neutral Position of the Piston Pump_002
5.
6.
・
・
[1][2]
[3]
[4]
1 Cam lever
2 Cam lever shaft bolt
3 Lever adjustment bracket
Start the engine, and rev it up to themaximum rpm.Set the 2WD/3WD selector lever to the"2WD" position.Check that the tires do not move.If a tire moves even slightly, stop the engine,and then repeat steps 6. to 9.
7.
8.
9.
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LM331
Maintenance
Page 5-17Maintenance Work
Change of Coolant
Caution
Do not touch the radiator or coolant duringengine operation or immediately after theengine has been turned off.Otherwise, you may get burned due to hightemperatures.
Caution
Change coolant after the engine has wellcooled down.
Caution
The radiator cap is pressurized.If you remove the radiator cap while theengine is overheated, hot steam will burst out,possibly resulting in burns.Make sure that the water temperature andpressure are reduced, and then grab the capwith a thick cloth and gradually open the cap.
Important
When changing the coolant, be sure to drain itinto a container and discard it in accordancewith local laws and regulations.
Important
When changing the coolant, be sure to mixclean water (soft water) and antifreeze (long-life coolant), and then pour it into the radiatorand reserve tank.
Important
Tightly close the radiator cap.If the cap is loose or incorrectly installed,water may leak and the engine may overheat.
When mixing antifreeze and clean water (softwater), refer to "Relationship betweenconcentration of long-life coolant (LLC) andfreezing temperature" below for the mixingratio.Relationship between concentration of long-lifecoolant (LLC) and freezing temperature
Freezing temperature LLC concentration(volume %)
Down to -10 °C (14 °F) 20 %Down to -15 °C (5 °F) 30 %Down to -20 °C (-4 °F) 35 %Down to -25 °C (-13 °F) 40 %
Stop the engine, and then allow the radiatorto cool.Open the hood.Follow the steps below to drain the coolant.
Position a container to drain the coolantinto.Remove the drain plug from the radiator.
1
v2x572-009
Change of Coolant_001
1 Radiator drain plug
Remove the radiator cap.
12
ouuoov-018
Change of Coolant_002
1 Radiator cap
2 Radiator
1.
2.3.
[1]
[2]
[3]
LM331
Maintenance
Page 5-18 Maintenance Work
Remove the reserve tank.
1 2
ouuoov-023
Change of Coolant_003
1 Reserve tank
2 Reserve tank cap
Open the reserve tank cap, and then drainthe coolant.
Install the reserve tank.Clean the radiator with clean water toremove any debris or rust.Drain all water from the radiator.Follow the steps below to fill with coolant.The coolant quantity, including the reservetank, is 3.1 dm3 (3.1 L).
Install the drain plug.Supply clean water and antifreeze into theradiator up to the radiator cap opening.Close the radiator cap.Supply clean water and antifreeze into thereserve tank up to the "FULL" mark.Close the reserve tank cap.
Start the engine, and then idle for severalminutes to bleed air from the system.Stop the engine, and then allow the radiatorto cool.Check if the coolant level in the reserve tankis between "FULL" and "LOW", and thensupply coolant if necessary.Close the hood.
Change of Hydraulic Oil
Caution
Be careful with hot oil, which could causeburns if it contacts your skin.
[4]
[5]
4.5.
6.7.
[1][2]
[3][4]
[5]8.
9.
10.
11.
Important
When you change the hydraulic oil, be sure todrain it into a bowl and discard it inaccordance with local laws and regulations.
Important
If the hydraulic oil emulsifies or if it becomeseven slightly less transparent, change the oilimmediately.
Important
Use Shell Tellus S2M46 (or equivalent) ashydraulic oil.
Follow the steps below to remove the old oil.Start and run the engine to warm up theoil.On a level surface, lower the mower units,and then stop the engine.Remove the drain plug of the hydraulictank and drain the old oil into a bowl.Wind new sealing tape on the drain plug,and then install the drain plug into thehydraulic tank.
2
1
pfdche-013
Change of Hydraulic Oil_001
1 Drain plug
2 Hydraulic tank
Remove the rear cover.
1.[1]
[2]
[3]
[4]
2.
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LM331
Maintenance
Page 5-19Maintenance Work
Follow the steps below to supply newhydraulic oil.The hydraulic tank capacity is approximately26.0 dm3 (26.0 L).
Open the tank cap, and then supplyhydraulic oil through the oil filling port untilthe oil level reaches the middle of the oilgauge on the hydraulic tank.
1
3
2
pfdche-014
Change of Hydraulic Oil_002
1 Hydraulic tank
2 Oil gauge
3 Tank cap
Tighten the tank cap securely.Start the engine, raise and lower the mowerunits, and turn the steering wheel left andright.Move forward and reverse repeatedlyseveral times.Raise the mower units and maintain thatposition on a level surface, and then checkto see if the oil level is at the middle of the oilgauge. If necessary, supply oil.Check underneath the machine for hydraulicoil leakage.Install the rear cover.
Replacement of Hydraulic Oil Filter
Caution
Be careful with hot oil, which could causeburns if it contacts your skin.
Important
When replacing the hydraulic oil filter, be sureto drain the oil into a container and discard itin accordance with local laws and regulations.
3.
[1]
[2]4.
5.
6.
7.
Important
If the hydraulic oil emulsifies or if it becomeseven slightly less transparent, change the oilimmediately.
Important
Use Shell Tellus S2M46 (or equivalent) ashydraulic oil.
On a level surface, lower the mower units,and then stop the engine.Loosen the filter case and remove it.
1ycfdh6-010
Replacement of Hydraulic Oil Filter_001
1 Filter case
Remove the old filter cartridge.
2
3
1
ycfdh6-011
Replacement of Hydraulic Oil Filter_002
1 Filter cartridge
2 Filter case
3 Body
1.
2.
3.
LM331
Maintenance
Page 5-20 Maintenance Work
Lightly coat the O-ring of the new filtercartridge with hydraulic oil, and then installthe cartridge.
2
1
ycfdh6-012
Replacement of Hydraulic Oil Filter_003
1 Filter cartridge
2 O-ring
Clean the inside of the filter case.Make sure that there is no damage to the O-ring of the filter case, and then lightly coatthe O-ring with hydraulic oil.
2
1
ycfdh6-013
Replacement of Hydraulic Oil Filter_004
1 Filter case
2 O-ring
Install the filter case onto the body, firmlyhand-tighten it, and then tighten it to 25 to 35N·m (254.93 - 356.90 kgf).
2
3
1
ycfdh6-011
Replacement of Hydraulic Oil Filter_005
4.
5.6.
7.
1 Filter cartridge
2 Filter case
3 Body
Supply hydraulic oil until it reaches thespecified level."Hydraulic Oil Supply" (Page 4-5)
Change of Air CleanerA contaminated air cleaner element may causemalfunction of the engine.To maximize the life of the engine, replace theair cleaner element at the appropriate times.
The timing for replacing the air cleanerelement is described below.
Replace the air cleaner element inaccordance with the MaintenanceSchedule.If it is significantly contaminated, replaceit, even if the hours of operation do notexceed the specified time.
Replace the air cleaner element by followingthe same steps as for cleaning the aircleaner."Cleaning of Air Cleaner" (Page 4-6)
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1.
[1]
[2]
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Maintenance
Page 5-21Maintenance Work
Replacement of Engine Oil
Caution
Be careful with hot oil, which could causeburns if it contacts your skin.
Important
When changing the engine oil, be sure todrain it into a container and discard it inaccordance with local laws and regulations.
Important
Be sure to use engine oil that is classified asAPI Service Grade CF or higher, with an SAEViscosity that is appropriate for the operatingenvironment (ambient temperature).
Important
Securely tighten the oil level gauge and oilfiller cap.
Change the engine oil more frequently if it iscontaminated and especially if you use themachine in dusty areas or operate the engineat high loads or in high temperatures.
Follow the steps below to remove the oldengine oil.
Start and run the engine to warm up theengine oil.With the machine on a level surface, stopthe engine.Remove the drain plug, and then drain theold engine oil into a container.
1
gui678-018
Replacement of Engine Oil_001
1 Drain plug
Re-place the drain plug.
1.
[1]
[2]
[3]
[4]
Remove the oil filler cap, and then supplynew engine oil until the oil reaches a level inbetween the upper and lower limit lines onthe oil level gauge.Engine oil quantity is approximately 3.7 dm3
(3.7 L).Securely install the oil filler cap.
1
gui678-019
Replacement of Engine Oil_002
1 Oil filler cap
It will take a while for the supplied engine oilto descend into the oil pan.Check the oil level again 10 to 20 minutesafter supplying the oil.Check underneath the machine for oilleakage.
2.
3.
4.
5.
LM331
Maintenance
Page 5-22 Maintenance Work
Replacement of Engine Oil Filter
Caution
Be careful with hot oil, which could causeburns if it contacts your skin.
Important
When replacing the engine oil filter, be sure todrain the engine oil into a container anddiscard it in accordance with local laws andregulations.
Important
Be sure to use engine oil that is classified asAPI Service Grade CF or higher, with an SAEViscosity that is appropriate for the operatingenvironment (ambient temperature).
Important
Securely tighten the oil level gauge and oilfiller cap.
With the filter wrench, remove the old filtercartridge.
1
5vmf9a-001
Replacement of Engine Oil Filter_001
1 Filter cartridge
Lightly coat the packing of the new filtercartridge with engine oil.Hand-tighten the filter cartridge until thepacking contacts the sealing surface, andthen firmly hand-tighten (without using a filterwrench).Supply engine oil until it reaches thespecified level."Supply of Engine Oil" (Page 4-9)Start the engine, and then stop it after 10 to20 minutes.
1.
2.
3.
4.
5.
Make sure that there is no oil leakage at thesealing surface of the filter cartridge.Check the engine oil level.If it is low, supply engine oil until it reachesthe specified level.
Replacement of Fuel Filter ElementIf dust or dirt accumulates in the fuel filter, thefuel flow will become insufficient.Replace the fuel filter at the appropriate times.The fuel filter is on the left side under the rearright of the seat.
Close the fuel cock of the fuel filter.
1
A
B
zihgka-002
Replacement of Fuel Filter Element_001
1 Fuel filter
A ON (open)
B OFF (close)
Remove the ring nut, and then remove thecup.
1
2
3
4zihgka-001
Replacement of Fuel Filter Element_002
6.
7.
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2.
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Maintenance
Page 5-23Maintenance Work
1 O-ring
2 Element
3 Cup
4 Ring nut
Clean the inside of the filter cup with dieselfuel.
Important
During installation, prevent contamination withdirt or dust.If the fuel is contaminated with dirt or dustetc., the fuel injection pump and injectionnozzle will become worn.
Install a new fuel filter element, and thencorrectly install all parts in their originalpositions.Fill up the fuel tank with fuel, and then openthe fuel cock.
1
2
A
B
3 3
kou8ls-003
Replacement of Fuel Filter Element_003
1 Fuel cock
2 Fuel filter
3 Air-bleeding plug
A ON (open)
B OFF (close)
Note:Air bleeding is not required since it occursautomatically.
Change of FuseFuse Box
Warning
Before performing maintenance on theelectrical system, be sure to disconnect thenegative terminal of the battery.
3.
4.
5.
Important
If a fuse blows, a short may have occurredwithin the electrical circuit.Check for the cause, such as faulty terminalconnections, damaged wiring or terminals, orincorrect wiring.
The fuse box includes spare fuses and tools.
1
pkm25s-015
Fuse Box_001
1 Fuse box
The machine uses a mini fuse forautomobiles.Replace an old fuse with a new fuse of thespecified capacity.
A B C D E
GF H I J
KLMN
O
pkm25s-003
Fuse Box_002
LM331
Maintenance
Page 5-24 Maintenance Work
A 5 A Glow lamp timer
B 5 A Glow lamp
C 5 ACharge lamp, oil pressure lamp (engine oilpressure lamp), water temperature gauge,buzzer, solenoid timer, hour meter, fuel gauge
D 15 AReel normal rotation solenoid, reel reverserotation solenoid
E 15 A (Unused)
F 10 A Light
G 5 A Glow lamp timer (start signal)
H 5 A Alternator
I 5 A Interlock (reel control)
J 5 A Interlock (mainly start safety)
K 5 A
SpareL 5 A
M 10 A
N 15 A
O Tool
Fusible Link
Fuse capacities of the fusible links are 30 Aand 50 A.
Engine stop solenoid: 30 A
1
1qgabk-013
Fusible Link_001
1 Fusible link (30 A)
Battery: 50 A
1
1qgabk-014
Fusible Link_002
1 Fusible link (50 A)
Long-Term StorageBefore Long-Term Storage
Completely remove dirt, grass clippings,debris, oil stains, etc.Supply oil and apply grease to appropriateparts.Loosen the battery cutoff switch todisconnect the negative battery cable.Switch the ignition key to the "ON" positionand check that the thermo-start lamp doesnot turn on.
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Maintenance
Page 5-25Long-Term Storage
LM331
Maintenance
Page 5-26 Long-Term Storage
Head Office 1-26, Miyuki-cho, Toyokawa,Aichi-Pref. 442-8530 Japan.
Tel : (0533) 84 - 1390Fax : (0533) 89 - 3623
LM331---UM--GBZ/19B-00-S.KE01[LM331_EU01]