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Instructions902573-en

01.05.2015

ver. 3

Carrierseries

CR 420-820

Serial No. CR00006300-

Original instructions

© Väderstad Holding AB, Väderstad, Sweden 2015

2 01.05.2015ver. 3

CR 420-820

1 Safety precautions1.1 Before using the implement .................................................................. 5

1.2 Warning labels .................................................................................... 6

1.3 Location of warning labels on the implement ........................................... 7

1.4 Other safety precautions ...................................................................... 8

1.5 Machine plates .................................................................................. 11

1.6 Moving the machine when not hitched to a tractor ................................. 13

2 Instructions and adjustments2.1 Hitching and unhitching of the roller ..................................................... 17

2.2 Inspection of the implement's towing eyelet, mftg. no. 7400- .................. 18

2.3 Inspection of the towing eyelet of the implement, mftg. no. -7399 ........... 19

2.4 Switching between transport and working position ................................. 20

2.5 Adjusting the folding hydraulics and ball couplings, CR 650-820 ............... 22

2.6 Adjusting the folding hydraulics, CR 420-500 ........................................ 24

2.7 Checking the tractor hitch device ......................................................... 26

2.8 Height adjustment of the towing eyelet ................................................ 26

2.9 Parallel alignment of the pre-implements .............................................. 27

2.10 Adjusting the working depth of the pre-implements ............................... 28

2.11 Checking the wheel angle ................................................................... 29

2.12 Adjustment of the opening device of the transport lock ........................... 29

2.13 Adjusting the scrapers ....................................................................... 30

2.14 Setting the mechanical depth stopper ................................................... 32

2.15 System Disc ..................................................................................... 33

2.16 Crosscutter ....................................................................................... 37

2.17 System Disc Crossboard ..................................................................... 38

2.18 Driving instructions ............................................................................ 40

2.19 Hydraulic brakes ............................................................................... 41

2.20 Pneumatic brakes .............................................................................. 44

3 Service and maintenance3.1 Tools ............................................................................................... 48

3.2 Regular maintenance ......................................................................... 49

3.3 Service of roller ring unit, steel compactor ............................................ 52

3.4 Replacement of the seal in the hydraulic ram used for depth setting of the pre-implement frames. ....................................................................... 53

3.5 Replacement of the seal in the hydraulic ram used for folding s/n 9757- ... 54

3.6 Bleeding the hydraulic system of the pre-implements ............................. 55

3.7 Bleeding of the folding ram ................................................................. 55

3.8 Disc replacement ............................................................................... 55

3.9 Replacing the disc hub ....................................................................... 56

3.10 Washers between the frame sections, CR 820 ....................................... 57

4 Hydraulic diagram

5 Technical data5.1 Carrier with steel compactor ............................................................... 59

5.2 Carrier with rubber compactor ............................................................. 60

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CR 420-820

INTRODUCTION

The Väderstad Carrier consists of three sections (CR 420-650) or five sections (CR 820) of

re-compacting roller rings with scrapers. The Carrier 420-650 is equipped with the System

Disc or System Disc Crossboard pre-implement. The Carrier 820 is equipped with the Sys-

tem Disc pre-implement.

Thanks to the hydraulic system, the machine can quickly and easily be reset between the

work and transport positions. The work depth of the pre-implements is hydraulically

adjusted.

The Väderstad Carrier 420-820 equipped with the System Disc pre-implement is a multi-

purpose implement for intensive, shallow uprooting. Two rows of curved discs cut through

straw and crop remains and mix straw and soil while creating an even surface. The Carrier

Disc works the soil efficiently at depths down to 10 cm. To achieve optimum soil mixing,

drive at a steady speed of 12 - 14 km/h.

The Carrier equipped wit System Disc is not only suited for stump clearing. It also serves

other useful purposes, such as levelling, preparation and compaction of ploughed soil, nor-

mal rolling and fine seedbed preparation, making the implement a versatile tool with many

different application possibilities on any farm.

The Väderstad Carrier 420-650 equipped with the System Disc Crossboard pre-implement

is a universal tool for intensive, shallow stump grubbing, cultivation of ploughed fields,

etc. Because the relatively high weight of the pre-implement could cause the roller to push

the soil in front of it , the System Disc Crossboard pre-implement is not suited for cultivat-

ing light soil types. Additionally, when driving on light soils, there is a risk of increased

instability.

Two rows of curved discs on the Disc unit cut through straw and crop remains and mix

straw and soil while creating a level surface. The discs work the soil efficiently at depths

down to 10 cm. To achieve optimum soil mixing, drive at a steady speed of 12 - 14 km/h.

Additionally, the integrated Crossboard makes the machine suitable for levelling, cultiva-

tion and compaction of ploughed fields and previously cultivated soil. The hydraulic con-

trol of the cultivation angle is complemented by a mechanical adjustment device to enable

vertical adjustment according to the task at hand and/or the working conditions.

01.05.2015ver.3 3

EC DECLARATION OF CONFORMITY FOR THE MACHINE

in accordance with the EU Machinery Directive 2006/42/EC

Väderstad AB, P.O. Box 85, SE-590 21 Väderstad, SWEDEN

hereby confirms that the cultivation tools hereunder have been manufactured in

accordance with the Council Directive 2006/42/EC.

The above declaration covers the following machines:

CR-420, CR-500, CR-650 and CR-820, serial no. CR00006300-CR00012000.

Väderstad 2015-05-01

Lars-Erik Axelsson

Legal requirements coordinator

Väderstad AB

Box 85, 590 21 Väderstad

The undersigned is also authorised to compile

technical documentation for the above machines.

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CR 420-820

1 Safety precautions

1.1 Before using the implement

! Always pay attention to the text and illustrations marked with this symbol!

Figure 1.1

! This implement is intended for compaction/preparation of farmland soil. Learn to handle the implement carefully and correctly! The implement can be dangerous in the wrong hands and when operated carelessly.

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Safety precautions

1.2 Warning labels

Figure 1.2

A Carefully read the instructions and make sure you understand their meaning.

B Do not stand between the tractor and the implement when backing up the tractor to hitch the implement.

C Ensure that there are no bystanders or obstructions in the entire work area and folding area of the implement. Never walk under a suspended section!

D Warning of piercing oil jet. Exercise extreme caution when disconnecting hydraulic couplings from the implement.

E Following 10-15 km of transport on the road, retighten the wheel nuts. Retighten the nuts sim-ilarly after changing wheels. Tighten the nuts using a torque wrench. See “3.2 Regular main-tenance” on page 49.

A

B

C D E

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CR 420-820

1.3 Location of warning labels on the implement

Figure 1.3

A,B

E

C

D

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Safety precautions

1.4 Other safety precautions

! For all service and maintenance work, the implement must always have been folded down and lowered to the ground beforehand. Never work under the implement. Never stay close to a pressurised hose. Be sure to recover any spilt oil during work on the hydraulic system.

! If work is to be performed on the pre-implements, such as replacing discs, the implements should be secured by trestles or similar on firm ground.

Figure 1.4

! The rear view is limited during transport, thus, when reversing, be sure that the immediate area behind the vehicle is free.

Figure 1.5

! Make sure that the automatic stoppers have been locked prior to road transport.

Figure 1.6

! Regularly inspect the tractor's hitch device and the towing eyelet on the implement for wear. Also see “2.2 Inspection of the implement's towing eyelet, mftg. no. 7400-” on page 18, “2.3 Inspection of the towing eyelet of the implement, mftg. no. -7399” on page 19 and “2.7 Check-ing the tractor hitch device” on page 26.

8 01.05.2015ver. 3

CR 420-820

Figure 1.7

! Prior to transport, make sure the pre-implements have been raised/folded up in order to mini-mise the transport width of the implement.

! Switching between transport and work mode, and vice versa, should be done on level ground. Do not allow the machine to lean laterally. Also see “2.4.1 Switching to the transport mode, pos. 1 - 6” on page 20 and “2.4.2 Switching to the work mode, pos. 6 - 1” on page 20.

Figure 1.8

! Always park the implement on a level and solid surface. The roller ring unit of the centre sec-tion must have been lowered to the ground. See “Figure 1.8”.

! Prior to connecting the hydraulic hoses, be sure that the male couplings of the implement and the female couplings of the tractor are clean and free of dirt. When disconnecting the hoses from the tractor, attach the green protective covers on the hydraulic hose couplings .

! Before driving off, make sure that all screws and nuts have been tightened.

! To maintain the high level of quality and operational safety of the implement, use only Väder-stad genuine spare parts. The warranty and any claim commitments will become void if any other parts than genuine Väderstad parts are used.

! Never dismantle a roller ring unit with steel rings. The unit has been pressed together with a force of 4 tons and there is a high risk of injury in case of attempts to disassemble the unit. Be-cause this work requires special tools, please contact the distributor if the need for disassembly should arise.

! Please note that incorrect welding could result in serious or even fatal injuries. If in doubt, please consult a certified welder for correction welding instructions.

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Safety precautions

1.4.1 Drive carefully! Always be safety conscious!

Figure 1.9

! This machine/implement and the fitted tyres are dimensioned for a maximum speed of 40 km/h on good country roads. Be sure to heed local speed limits.

! The implement has a considerable unsuspended weight, which may cause it to start jumping when travelling on rough roads. Driving too fast on rough roads will put considerable strain on the entire machine. Slow down and adapt the speed if the road surface is uneven or in poor con-dition! Damage incurred as a result of careless transport driving is not covered by the warranty.

! Keep in kind that the implement is heavy and as a result the braking distance is longer.

! You can never be in so much of a hurry that safety can be disregarded.

! Prior to transport on public roads, remove dirt that may fall off from both the vehicle and the implements.

! To prevent dangerous situations from occurring if the tractor's hydraulic levers are accidental-ly actuated during road transport, the hydraulic hoses to the implement's folding ram must be disconnected prior to transport on the road.

! Use the lights on the implement in accordance with local traffic regulations. For road transport, be sure to mount the light assemblies as indicated in “Figure 1.10”. When working in the field, place the light assemblies as indicated in “Figure 1.11”.

Figure 1.10 Figure 1.11

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CR 420-820

1.5 Machine plates

! The machine is equipped with either a combination of signs 1.5.1, Serial number plate, and 1.5.2, CE plate, or 1.5.3, Machine label.

1.5.1 Number plate

Figure 1.12

A Type

B Manufacturing number.

1.5.2 CE plate

Figure 1.13

C Work width

D Transport width

E CE number

F Implement weight (kg). Total weight including the System Disc and straw harrow. See also “5 Technical data” on page 59.

G Manufacturing code

BA

C E F GD

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Safety precautions

1.5.3 Machine label

Figure 1.14

A Machine type

B Manufacturing serial number (Always state the serial number of your machine when ordering spare parts and in case of serv-icing or warranty claims.)

C Year of manufacture

D Working width

E Transport width

F Tare weight of the basic machine

G Maximum total weight

H Maximum permitted payload

I Maximum permitted axle loading

J Maximum coupling load (at the tractor hitch)

K Model year

L Designation

! Also refer to “5 Technical data” on page 59.

Type

kg kg

m

kg

kg kg

Model year Serial No. / VIN

Designation Working width Transport width

Basic weight Max. total weight

Max. axle load Max. coupling load

Väderstad AB, Box 85, SE-590 21 Väderstad

498789

Mfg. year

Max. payload

m

A

L

F

I

J

G

K

B

E

H

CD

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CR 420-820

1.6 Moving the machine when not hitched to a tractor

NOTE!If the machine has to be moved without being hitched to a tractor, it must be moved fully

assembled and set to the position for lashing to the transport vehicle! See “1.6.1 Loading and unloading the CR 420-820” on page 14. The machine must be transported on a machine trailer, flatbed or other suitable transport vehicle. During loading and unloading, the machine must be rolled onto and off the transport vehicle with the aid of a tractor.

NOTE!One person should direct the loading and unloading operation! See “Figure 1.15”.

Figure 1.15

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Safety precautions

1.6.1 Loading and unloading the CR 420-820

Loading1 Set the machine to the transport position; see “2.4.1 Switching to the transport mode, pos. 1 -

6” on page 20.

2 Secure the wing sections ready for transport using tension straps (A) or similar; see “Figure 1.16”. Machines with an extended outer section must be secured on both sides of the pivot point (B).

Figure 1.16

3 Reverse the machine lengthwise onto the trailer or flatbed. If using a flatbed, a ramp, loading pier or similar will be required. Take great care. Check that no machine parts are damaged during loading.

NOTE!Before reversing, check that the machine is fully raised and that the automatic locks of the wing sections are engaged! See “Figure 1.17”.

4 Fold up the stay for the transport lock's opening device, so that the lock does not open when the machine is lowered; see “Figure 1.18” position (C).

5 Lower the compaction roller to the ground. Reset the transport lock by folding back the stay for the transport lock's opening device; see “Figure 1.18” position (D).

6 Adjust and secure the parking stay so that the machine rests on the parking stay, compaction roller and transport wheels.

7 Secure the machine's transport wheels and compaction roller to prevent rolling using chocks or similar.

8 Unhitch the tractor from the machine.

9 Secure the machine using suitable lashing equipment in accordance with applicable rules. The lashing equipment must be attached to the machine at the locations indicated by the decals; see “Figure 1.19 ” on page 15.

! For information on the machine's dimensions and weight, see “5 Technical data” on page 59!

! Always make sure that you comply with applicable national regulations concerning transport dimensions, requirements for escort vehicles or similar!


A A

B

C

D

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CR 420-820

Lashing points

Figure 1.19

Unloading1 Remove all lashing equipment; see “Figure 1.19”.

2 Hitch to the tractor and raise the machine to the transport position.

3 Roll the machine off the transport vehicle. If using a flatbed for example, a ramp, loading pier or similar will be required. Take great care. Check that no machine parts are damaged during unloading; see also “Figure 1.15 ” on page 13.

! For information on the machine's dimensions and weight, see “5 Technical data” on page 59!

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Safety precautions

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CR 420-820

2 Instructions and adjustments

2.1 Hitching and unhitching of the roller

Figure 2.1

2.1.1 Hitching to the tractor

Hitch the roller onto the tractor and connect the hydraulic hoses. Make sure that the hoses, marked with plastic rings, are connected in pairs to each twin-operating hydraulic connector on the tractor. Don't forget to retract the parking support.

2.1.2 Unhitching

Lower the centre section to the ground. Lower the parking stay. Be sure to park the implement on a stable and level surface.

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Instructions and adjustments

2.2 Inspection of the implement's towing eyelet, mftg. no. 7400-

Figure 2.2

2.2.1 Alternative towing eyelets

A Towing eyelet with 50 mm diameter (standard).

B Towing outlet with 40 mm diameter.

C Towing outlet with 80 mm diameter.

D Towing outlet with 57 mm diameter.

2.2.2 Retightening the bolted joints of the towing eyelet

The bolted joints (E) of the towing eyelet requires regular retightening. Tightening torque 277 Nm.

2.2.3 Wear limit

When the diameter of the towing eyelet has increased by 2.5 mm, the wear limit has been reached and the towing eyelet should be replaced.

When installing a new towing eyelet, be sure to use new bolts. Tighten the bolt joints (E) to a torque of 277 Nm. Use a torque wrench.

NOTE!Never perform welding work on a towing eyelet since this will seriously affect its structur-al strength!

A B C D

MAX. +2,5 mm

E

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CR 420-820

2.3 Inspection of the towing eyelet of the implement, mftg. no. -7399

Figure 2.3

The implement features a reversible and replaceable towing eyelet. The A side of the towing eye-let is intended for connection to a hitching hook, while the B side is intended for connection to an agricultural tow bar. Be sure to replace the towing eyelet when it has been worn down. The figure shows the minimum recommended dimensions. Also inspect the bolted joint of the towing eyelet.

NOTE!Incorrect towing eyelet welding may drastically reduce its durability. We always recom-mend replacement of the towing eyelet!

Min. 24 mm

Min. 24 mm

A B

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2.4 Switching between transport and working position

NOTE!When switching to working position for the first time, it is very important that the folding hydraulics are adjusted! Carefully read the section “2.5 Adjusting the folding hydraulics and ball couplings, CR 650-820” on page 22 or “2.6 Adjusting the folding hydraulics, CR 420-500” on page 24.

2.4.1 Switching to the transport mode, pos. 1 - 6

NOTE!Switching to the transport mode, must be done on level ground. Do not allow the machine to lean laterally.

1:

Select the neutral gear position or depress the clutch. Do not apply the service or parking brake. The tractor must be allowed to roll backwards when the roller is tilted.

Raise the pre-implements! Verify that the cotter pins in the quick connectors for the pre-

implements are in place.

2 - 3 - 4:

Tilt the roller completely backward.

5 - 6:

Drive the tractor slowly forward. The wing sections then fold backwards together and lock auto-matically. The roller is now ready for transport.

2.4.2 Switching to the work mode, pos. 6 - 1

NOTE!Switching to the work mode must be done on level ground. Do not allow the machine to lean laterally! Check that the draw-bar balls fit the towing eyelets on the frames of the implements or that the turn buckles come to rest in the cups on the draw-bar. Also see “2.5 Adjusting the folding hydrau-lics and ball couplings, CR 650-820” on page 22 and “2.6 Adjusting the folding hydraulics, CR 420-500” on page 24.

6:

Drive forwards and stop. Lower the middle section until the transport lock opens automatically.

OBS! Do not lower the middle section fully down to the ground as this will damage the scrapers in the next stage.

5 - 4 - 3:

Slowly reverse the tractor until the roller is completely folded out.

2 - 1:

Put the tractor in neutral and lower the roller. Keep the hydraulic lever in the lowered position for a while until the folding ram has completely retracted. The roller is now set to the work mode.

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CR 420-820

3

1

2

5 6

4

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2.5 Adjusting the folding hydraulics and ball couplings, CR 650-820

! Folding must be done on level ground. Do not allow the machine to lean laterally.

! While carefully folding down the wings to the work position, verify that the draw-bar balls fit the towing eyelets (A) properly on both sides of the draw-bar - both laterally and at the same height. (For manufacturing reasons, the couplings need to be checked during first folding.)

Do not proceed with the folding-down procedure if the connections are improper!

2.5.1 Lateral adjustment

Figure 2.4

If the couplings do not match laterally, then undo the turnbuckles and adjust the number of wash-ers (B) between the mounting plates. Be sure to insert the same number of washers between the mounting plates on all the screw joints.

A

B

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CR 420-820

2.5.2 Vertical adjustment

The folding ram must be adjusted so that the coupling eye (C) is pressed against the ball (D). The eye must rest on the ball with pressure; there cannot be any play at all between the eye and the ball.

NOTE!Do not complete the folding if the eye presses very hard against the ball!

If the couplings do not match at the same height, adjust the folding ram by undoing the counter-nut (F) and screwing the piston rod (G) in or out. Use the special tool for this adjustment. See “3.1 Tools” on page 48.

NOTE!The ram must not come loose from the implement. Adjustment is not possible with the ram set to the end position! Extend the piston rod a few centimetres using the tractor hydraulics.

Do not screw out the piston rod end more than 60 mm!

Figure 2.7

The folding ram must be adjusted so that the eye is pressed so hard against the ball that the turnbuckle bows slightly when the ram reaches its end position, see “Figure 2.7”. The turnbuckle must be tensioned so that there is a constant pressure on the ball at all times, even when driving in the field.

! Make small adjustments at a time and test fold the machine. Repeat until satisfactory results are achieved.

NOTE!Avoid adjusting the folding ram so that the eye presses very hard against the ball!

NOTE!Ensure that the coupling has no play while driving in the field. If it does, adjust the folding ram further.


C

G F

Max 60 mm

D

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2.6 Adjusting the folding hydraulics, CR 420-500

Figure 2.8

! Folding must be done on level ground. Do not allow the machine to lean laterally.

! While carefully folding out the implement to the working position, verify that the turn buckles come to rest in the cups on the draw-bar. See “Figure 2.8”.

! When the folding ram is at its inner end stop, the turn buckles should press lightly against the cup bottoms.

NOTE!Do not complete unfolding if the turn buckles press hard against the cup bottoms!

(For manufacturing reasons, the couplings need to be checked during first folding.)

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CR 420-820

Height adjustment

Figure 2.9

If the couplings do not match vertically, then adjust the folding ram by loosening the locking nut (F) and screwing the piston rod (G) in or out. Use the special tool for this adjustment, see “3.1 Tools” on page 48.

NOTE!The ram must not come loose from the implement. Adjustment must not be made while the ram is in its end position! Extend the piston rod a few centimetres using the tractor hydraulics.

Do not screw out the piston rod end more than 60 mm!!

Figure 2.10

The folding ram must be adjusted so that the turnbuckle is pressed so hard against the cup bottom that the turnbuckle bows slightly when the ram reaches its end position, see “Figure 2.10”. The turnbuckle must be tensioned so that there is a constant pressure on the cup bottom at all times, even when driving in the field.

! Make small adjustments at a time and test fold the machine. Repeat until satisfactory results are achieved.

NOTE!Do not complete the folding if the turnbuckles press very hard against the cup bottoms!

NOTE!Ensure that the coupling has no play while driving in the field. If it does, adjust the folding ram further.

Max. 60 mm

G F

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2.7 Checking the tractor hitch device

Figure 2.11

NOTE!If the implement is subjected to high loads during operation, the draw-bar of the implement will be pushed up. Because of this, be sure to regularly inspect the tractor hitch device for any looseness and wear. Considerable looseness or wear will cause the working depth of the imple-ment to become uneven. Extended wear on the tractor hitch point also poses a risk that the imple-ment's draw-bar will run off the tractor hitch!

2.8 Height adjustment of the towing eyelet

Figure 2.12

Once the folding hydraulics has been adjusted, the height of the implement's drawbar eye should be adapted to the towing height of the tractor.

When the folding ram is at its inner end stop, the frame (A) of the implement must be parallel with the ground.

The height can be adjusted using the stretching screw (B). Use the special tool. See “3.1 Tools” on page 48.

Relieve the pressure on the drawbar when adjusting. Do this by carefully pressing down the pre-implement using the hydraulics.

! When checking the parallelism of the frame, the pre-implement must not be pressed down onto the ground.

A B

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CR 420-820

2.9 Parallel alignment of the pre-implements

Figure 2.13

Perform this adjustment when the implement has been folded down out onto level and firm ground. Lower the pre-implements to the ground. Adjust the stretching screws (A) until the pre-implements become parallel with the ground. After the adjustment, lock the stretching screws (A) using the lock nuts (B).

! Never work under the pre-implement unless it has been secured with trestles or similar sup-ports.

A BB

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2.10 Adjusting the working depth of the pre-implements

Figure 2.14

The working depth of the pre-implement can be adjusted with three hydraulic rams connected in series.

Prior to use of the machine, bleed the hydraulic rams and adjust them in relation to each other in order to achieve uniform work depths along the entire work width of the machine.

! Bleed the hydraulic system as explained in “3.6 Bleeding the hydraulic system of the pre-im-plements” on page 55. Make it a habit to always bleed the hydraulic system when the connect-ing the implement to the tractor as well as a couple of times throughout the day.

! Check the height of the pre-implement sections in relation to each other. If adjustment becomes necessary, lower the pre-implements to the ground and adjust the hydraulic ram stroke lengths by loosening the counter nuts and screwing the piston rods in or out.

Figure 2.15

! Do not unscrew the piston rod end more than 20 mm.

Max. 20 mm

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CR 420-820

2.11 Checking the wheel angle

Figure 2.16

Wheel toe-in is factory adjusted but must be checked after a couple of days of usage.

A Place the roller in the transport position.

B Measure dimensions A and B.

C Compare these two measurements. Measurement B should be max. 10 mm smaller than A and max. 30 mm larger than A.

D If the difference is excessive, adjust using the adjusting screw C. Turn the screw clockwise to reduce the B measurement and anticlockwise to increase it. When the adjusting screw is ad-justed 1 mm on each side, this results in a 16 mm adjustment of measurement B.

A large B measurement makes unfolding in the field easier. To reduce wear on the wheels during long road transports, B should be set to equal A.

2.12 Adjustment of the opening device of the transport lock

Figure 2.17

1 Adjustment should be carried out with the roller in transport mode and the hydraulic ram fully extended.

2 Slacken the lock nut, item 1.

3 Rotate the rod, item 2, until the sleeve, item 3, is 5-10 mm from the stop, item 4.

4 Tighten the lock nut.

5 Lower the middle section and check that the lock catch on the transport lock is open when the compaction roller is around 10 cm above ground.

A

B

C

1

5-10 mm

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2.13 Adjusting the scrapers

Scraper for compactor with steel rings

Figure 2.18

Adjust the scrapers to ensure the gap between the tips and the steel rings is 2 - 16 mm. The recommended basic setting is 6 mm.

! Only adjust the scrapers when the implement has been folded down to the work position!

! Avoid reversing the machine when it has been folded down to the work position! Soil and plant residue could get caught in the roller ring units, and if the machine is then reversed there is a risk damaging the scrapers.

Scrapers for compactor with rubber rings

Figure 2.19

Adjust the scrapers to ensure the gap between the tips and the rubber rings is 2 - 16 mm. The rec-ommended basic setting is 6 mm. If the rubber compactor does not run cleanly, adjust the scrapers in steps close to the compaction roller, although no closer than 2 mm.

! Only adjust the scrapers when the implement has been folded down to the work position!

! Make absolutely sure the scraper blades do not make contact with the rubber compactor, since it can then be shredded to pieces.

! Regularly check to make sure stones do not become wedged between the rubber rings.

! Avoid reversing the machine when it has been folded down to the work position! Soil and plant residue could get caught in the roller ring units, and if the machine is then reversed there is a risk of damaging the scrapers.

2 - 16 mm

2 - 16 mm

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CR 420-820

2.13.1 Adjusting the scrapers on the centre section and outer sections

Figure 2.20

When checking and adjusting the scrapers on the middle and outer sections, pull them out of the compaction roller to eliminate the gap that is present between the scraper pines and the scraper beam.

The scrapers on the centre section and outer sections can be adjusted lengthwise by repositioning the scraper unit in the oblong holes in the holders under the frame. Loosen the screw unions (A) and set to the desired position. Then retighten the screw unions.

2.13.2 Adjusting the scrapers on the wheel sections

Figure 2.21

The scrapers on the wheel sections can be adjusted by turning the tube along the groove in the holder. Loosen the nut (A) and set to the desired position. Retighten the nut. Use the supplied tools.

A

A

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2.13.3 Scraper tips for compacting roller with steel roller rings

Figure 2.22

Implements with a compactor with steel rings are supplied with scraper tips of standard type (A). Wider tips (B) can be ordered. The part number for these tips is indicated in the spare parts manual. The wider tip is designed for clay soils and moist conditions with little occurrence of straw, e.g. when working in moist, ploughed clay soil.

2.14 Setting the mechanical depth stopper

Figure 2.23

The implement is fitted with a mechanical depth stopper that enables the pre-implement to return to the set working depth when lowered again, e.g. after turning on the headland. In this case, spac-ers (A) are placed on the tube of the hydraulic ram in the centre to limit its stroke.

1 First operate the implement without any spacers. Set the hydraulics to the desired operating depth while driving.

2 Then install the number of spacers that can fit between the ram and the piston head.

! The more spacers installed, the more shallow the working depth.

Keep unused spacers on the hose holder pillar (B).

A B

A

B

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2.15 System Disc

2.15.1 Side-shifting of the front disc row

Figure 2.24

The front disc row can be moved laterally by adjusting the three stretching screws (B) (one on each section). Start from the basic setting where the frames are parallel with the ground in the travel direction. Adjust the front disc row so that Disc works on the entire work width at the selected depth setting - make sure there are no skipped patches (A). Check the result after scraping off the soft dirt behind the discs. In the example above, the front disc row should be moved slightly to the right in order to optimize the result. Keep in mind that the end result depends on the work depth, the soil type and the driving speed.

The distance between the section frames should be 50 mm.

Make sure the pre-implements have been raised when the rigging screws are adjusted. After the adjustment, lock the rigging screws using the counter nuts.

! Never work under the pre-implement unless it has been secured with trestles or similar sup-ports.

50 mm

B

BA

01.05.2015ver.3 33


2.15.2 Height adjustment of outer discs

Figure 2.25

To prevent the implement from leaving trailing lea lines, the height of the outer disc on each side can be adjusted. Choose a setting that suits the work depth, soil type, etc.

Loosen the nuts and pull out the bolts (A). Select a track position. Insert the bolts again and lock them with the nuts.

A

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2.15.3 Setting the straw harrow

Figure 2.26

The purpose of the straw harrow is to spread and distribute the straw and chaff in front of the ma-chine.

Set the height of the straw harrow so that the tines only work at the very top of the soil surface; do not allow them to tear up any soil. Use the cranks (A) to set the height.

The straw harrow must be parallel to the ground. Adjust it by first loosening the screws (B), which will permit adjustment of the straw harrow's longitudinal inclination.

! Always use the shackles (C) to lock the cranks. The centre section cranks may otherwise be-come damaged if they come into contact with the hitch.

! To achieve optimal distribution of the stray, the implement should travel diagonally against the drive tracks of the harvester. See “Figure 2.27”.

! Never work under the implement unless it has been secured with trestles or the like.

Figure 2.27

C A

B

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2.15.4 Hitching and unhitching of the straw harrow

Figure 2.28

The straw harrow is hitched to the forward implement mounts on the disc section as shown in the figure. Connect the sections to the mounts and secure them using pins and split cotters.

! Never work under the implement unless it has been secured with trestles or the like.

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2.16 Crosscutter

Crosscutter in combination with System Disc is designed to: – chop down different types of stubble after harvesting – break “green” fertilising crops, catch crops or volunteer plants.

Figur 2.29

Crosscutter is adjusted using a Master/Slave system just like Crossboard. The shorter the ram is, the more force with which the implement is pushed into the ground, and this means the buckling load/tillage is greater. When the implement is pushed in hard, it can lift the entire machine at the leading edge, and for this reason it may be a good idea to pull out the System Disc push rods slight-ly on the host machine.

The depth or how hard Crosscutter is pushed in can be seen on a scale. The scale shows only a reference value, but the reference value makes it easier to achieve the same tillage effect across the entire field. In order to ensure good tillage, you should go and check what the machine has done at regular intervals. Since this is a hydraulic system, it is easy to adjust the depth from the tractor cab during operation.

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2.17 System Disc Crossboard

Also see “2.15.1 Side-shifting of the front disc row” on page 33 and “2.15.2 Height adjustment of outer discs” on page 34.

2.17.1 Crossboard

Figure 2.30

The angle of attack of the Crossboard shaft can be continuously adjusted using the hydraulics.

Adjust the piston rod heads on the three hydraulic cylinders of the Crossboard shaft to ensure the three sections are aligned. Adjust by loosening the check nuts and screwing the piston rods in and out.

Do not unscrew the piston rods more than 20 mm.

To enable the possibility of more settings, you can fit the Crossboard shaft at three alternative heights. The Crossboard is assembled at the middle height on delivery.

The screw joints (A) must be check tightened after a few days operation.

Figure 2.31

Max 20 mm

A

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2.17.2 Ving locks

Figure 2.32

Adjust the wing lock hooks (A) after completing the adjustment of the folding hydraulics, the height of the draw-bar and the parallel alignment of the pre-implement. See sections “2.5”, “2.6”, “2.8”and “2.9”.

The hooks should rest against the yoke bottoms when the machine has been folded down to the work position, and the pre-implement is raised from the ground. To adjust the wing locks, loosen the screw unions (B) and move the hooks along the oblong holes.

NOTE!Correct adjustment of the wing locks is important since the implement otherwise would be subject to too high loads. Check the wing locks continuously. The wing lock hooks and yokes are wearing parts.

A

B

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2.18 Driving instructions

1 Make the second crossing in another direction. To achieve optimum compaction and to prevent unstable travelling of the Carrier, select dif-ferent directions for crossing the same field when making multiple passes. This driving fashion will also improve the straw mixture.

Figure 2.33

2 Alter the driving speed. If there is a tendency of unstable travel of the implement, pay due attention to the driving speed. Avoid speeds around 10-12 km/h. Increase or decrease the speed. Compaction will improve at increased driving speed. If the soil surface is wavy, this can be corrected by crossing the field once at high speed.

Figure 2.34

3 Alter the work depth. To avoid possible instability, the work depth can be changed. When the pre-implement is pushed into the ground, the machine will become stable.

Figure 2.35

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2.19 Hydraulic brakes

2.19.1 General

The CR 420-820 can be fitted with hydraulic brakes. The machine is then brought to a stop by brakes applied on all four wheels. The system also has an emergency brake that is applied if the machine by accident becomes unhitched from the tractor. The system relies on an accumulator, a valve and a wire that is connected to the tractor.

2.19.2 Connection and driving

Figure 2.36

1 Connect the hydraulic hose of the brake system to the brake coupling on the tractor. Please note that the hose must only be connected to a brake coupling that is controlled by the tractor's brake pedal and with a maximum pressure of 150 bar. Connect the wire to a convenient point on the tractor. Make sure the wire cannot get entangled.

2 Ensure that the emergency brake valve is set to position A.

3 Press down the brake pedal and keep it in this position until the manometer on the machine's draw-bar shows 120 - 140 bar.

4 The machine is now ready for driving.

1 2

3

4

A

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2.19.3 Parking

Figure 2.37

Be sure to park the implement on a stable and level surface. Secure the implement with the wheel chocks (B).

2.19.4 Adjusting the brakes

Figure 2.38

It is imperative that correct brake adjustment is verified when the machine is new and subsequent-ly twice a year.

NOTE!Unless the brakes are adjusted, the brake action will wear off over time. In the end the brakes will not operate at all.

Hitch the implement to the tractor when making this adjustment. Measure the stroke (C) of the brake cylinders in unbraked and braked condition. When performing this measurement, be sure that the rod (D) is at its bottom position when the brake is released.

If the stroke (C) exceeds 30 mm, the brake should be adjusted.

Loosen the counter-nut and unscrew the fork (E) until a stroke of 15 mm is achieved. Tighten the counter-nut.

Following this adjustment, if the thread (F) extends more than 40 mm, then the lifting arm (E) must be moved one step closer to the brake cylinder on the camshaft (G). The distance (H) between the camshaft (G) and the centre in the fork hole (E) must be 125 mm.

B

D

E C

F

G

H

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2.19.5 Connection diagram

Figure 2.39

1 Brake cylinder

2 Accumulator

3 Manometer

4 Emergency brake valve

5 Emergency brake wire

6 Quick coupling

1

2

3

4

5

6

1

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2.20 Pneumatic brakes

2.20.1 Instructions

GeneralThese instructions apply to pneumatic brakes. Brakes cannot be fitted after delivery. The brakes are drum brakes without self-adjustment.

Figure 2.40

Connection diagram: Coupling device, red, pressure line (1), coupling device, yellow, control line (2), line filter (3), tank (4), brake valve (5), retarder valve (6), spring brake cylinders (7) and dia-phragm valves (8).

Figure 2.41

The spring brake cylinders use a diaphragm valve (A) for the travel brake / parking brake and a spring brake device (B) for "emergency braking".

NOTE!Before using the machine: To make sure the emergency brake is operational, verify that all the screws (C) are completely tightened.

Hitching to the tractorConnect the red pressure line to the red pressure coupling on the tractor. Then connect the yellow pressure line to the yellow control coupling on the tractor. The brake system is designed for the following air pressures:

OperationThe brake force is controlled by the pressure applied on the tractor's brake pedal. The brake cyl-inders and the brake lever stroke have been designed to afford sufficient braking power without locking the wheels.

Table 2.1

Pressure coupling: 6-10 bars

Steering coupling: 0-10 bars

7, 8

1

2

3

3

6

5

4

7, 8

C

A B

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Parking

Figure 2.42

The brakes are automatically applied when the implement is unhitched from the tractor. When parking the implement on or close to a public road, be sure to put chocks (D) under the wheels.

Moving the implement

Figure 2.43

These instructions apply if the brakes need to be disengaged, such as when moving the implement in a closed-off area without connecting it to a tractor with brake couplings.

If the tank is under pressure (min. 5 bars), the brakes can be disengaged by pressing down on the retarder valve (E). When the tank is empty, completely unscrew both screws (C) on the spring brake cylinders.

NOTE!Prior to road transport, these screws (C) must be completely tightened.

2.20.2 Service and maintenance

Draining condensing water

Figure 2.44

If required, drain the air tank of condensing water before driving. Do this by pressing in the drain valve (F) on the bottom of the tank when the tank is under pressure.

D

E

F

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Adjusting the brakes

Figure 2.45

It is imperative that correct brake adjustment is verified when the machine is new and subsequent-ly twice a year.

NOTE!Unless the brakes are adjusted, the brake action will wear off over time. In the end the brakes will not operate at all.

Hitch the implement to the tractor when making this adjustment. Measure the stroke (I) of the brake cylinders in unbraked and braked condition. When performing this measurement, be sure that the rod (J) is at its bottom position when the brake is released.

If the stroke (I) exceeds 55 mm, the brake should be adjusted.

Remove the fork (G) from the brake lever (H).

NOTE!Make a note of in which direction the fork is fitted. Unscrew the fork on the rod (J) until a stroke of 50 mm is achieved. Assemble the fork and brake lever again.

If this adjustment is insufficient, the lever (H) should be moved one step closer to the brake cyl-inder on the camshaft (K).

Cleaning the line filters

Figure 2.46

If the brake action is lagging, disassemble, wash and dry the filters if required.

J G I

H

K

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3 Service and maintenance! For all service and maintenance work, the implement must always have been folded down and

lowered to the ground beforehand. Never work under the implement. Never stay close to a pressurised hose. Be sure to recover any spilt oil during work on the hydraulic system.

Figure 3.1

! If any work is to be performed on the pre-implements, such as replacing discs, the implements should be secured by trestles or similar on firm ground. See “Figure 3.1”

! To maintain the high level of quality and operational safety of the implement, use only Väder-stad genuine spare parts. The warranty and any claim commitments will become void if any other parts than genuine Väderstad parts are used.

! Please note that incorrect welding could result in serious or even fatal injuries. If in doubt, please consult a certified welder for correction welding instructions.

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Service and maintenance

3.1 Tools

Figure 3.2

A 22 mm. Adjustment of master & slave rams used for the frames of the implements. See “2.10 Adjusting the working depth of the pre-implements” on page 28.

B 24 mm. Adjustment of the outside discs. See “2.15.2 Height adjustment of outer discs” on page 34.

C 30 mm. Adjustment of the lock nuts on the master & slave rams. See “2.10 Adjusting the work-ing depth of the pre-implements” on page 28. Also for adjustment of the stretching screw on the front draw-bar. See “2.8 Height adjustment of the towing eyelet” on page 26.

D 36 mm. Adjustment of the stretching screws on the pre-implement bracket and for side-shifting of the front Disc row. See “2.9 Parallel alignment of the pre-implements” on page 27 and “2.15.1 Side-shifting of the front disc row” on page 33.

E 1 11/16". For adjustment of the stretching screw counter-nuts on the pre-implements, see “2.9

Parallel alignment of the pre-implements” on page 27.

F 52 mm. For adjustment of the rod piston on the folding ram and its counter-nut, see “2.5 Ad-justing the folding hydraulics and ball couplings, CR 650-820” on page 22 and “2.6 Adjusting the folding hydraulics, CR 420-500” on page 24.

G 24 mm. For adjustment of the wheel section scrapers, see “2.13.2 Adjusting the scrapers on the wheel sections” on page 31.

H 61 mm. For adjustment of the wheel section scrapers and turning the tube, see “2.13.2 Adjust-ing the scrapers on the wheel sections” on page 31.

A

G

B

C

D

H

24

E F

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3.2 Regular maintenance

Figure 3.3

! Grease the implement according to the intervals in the lubrication chart, and always prior to and after winter storage and high-pressure water cleaning. See “3.2.2 Lubrication chart” on page 50.

! Please note that implements fitted with brakes do not have grease nipples in the wheel hubs. To lubricate these hubs, remove the hub cap, put grease in the hub, and then reassemble the hub cap.

! Prior to driving, check that all bolts and nuts are tightened (this does not apply to bolts of flex-ible joints). During the season, make it a habit to regularly check that all bolts and nuts are tightened.

! Following 10-15 km of transport on the road, retighten the wheel nuts. Retighten the nuts sim-ilarly after changing wheels. Tighten the nuts using a torque wrench. Tightening torque: 330 Nm (33 kpm).

Figure 3.4

! Regularly check the tyre pressure. See “5 Technical data” on page 59.

! Prior to winter storage, grease the ram rods.

3.2.1 Explanation of tightening torques

Figure 3.5

In this operator's manual, retightening of screw unions to a specific tightening torque is indicated using a torque wrench symbol. If a torque wrench is not available, the above example can be handy.

33 kg

= 330 Nm

1 m

01.05.2015ver.3 49


3.2.2 Lubrication chart

Table 3.1

Pos. Lubrication points Interval Lubri-cant

Number 420/500

Number 650

Number 820

A Roller bearings 300 ha Grease 6 6 10

B Bearings of turning pipes 300 ha Grease 12 12 16

C Bearings of implement hitch-ing points

300 ha Grease 6 6 8

D Rigging screws 300 ha Grease 12 12 16

E Lifting ram assembly 300 ha Grease 2 2 2

F Openings device 300 ha Grease 2 2 2

G Joint bolts, frame 300 ha Grease 4 4 6

H Joint bolts, bogie cradle 300 ha Grease - 2 2

I Wheel hub 300 ha Grease 2 4 4

J Draw-bar joint 300 ha Grease 1 1 1

K Fitting of draw-bar to frame 300 ha Grease 2 2 2

L Drawbar, ball couplings 300 ha Grease - 4 4

M Cranks on straw harrow (op-tion)

300 ha Grease 6 6 8

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Figure 3.6

B

A

C

D

E

F

G

I

J

K

K

G

I

B

H L M

01.05.2015ver.3 51


3.2.3 Check the wheel bearing play

Figure 3.7

It is extremely important that the wheel bearing play is adjusted after the end of the first season. Fold out the machine to the work position. Touch the wheels and if any play is felt, tighten the bearings. Remove the hub cap (A) and undo the locking pin (B). Turn the castle nut (C) with a hand tool and verify that the wheel rolls easily with no play. Lock using the roll pin. Fit the hub cap and grease until the grease protrudes.

3.3 Service of roller ring unit, steel compactor

Figur 3.8

Apart from greasing of the bearings, the roller ring units usually do not require any maintenance. The roller ring units feature auto tensioners.

NOTE!Never dismantle a roller ring unit. The unit has been pressed together with a force of 4 tons and there is a high risk of injury in case of attempts to disassemble the unit. If there should ever be a need for disassembly, please contact the dealer.

A CB

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3.4 Replacement of the seal in the hydraulic ram used for depth setting of the pre-implement frames.

Figure 3.9

A Undo and remove the piston rod guide (A) using the hook wrench (B).

B Pull out the piston rod. Replace the seal.

NOTE!Be very sure that the seals face the correct way.

C Check that there are no scratches on the jacket lining (C).

D Assemble in reverse.

Check with your finger that the spill holes do not have any sharp edges. If necessary work the edg-es with an abrasive cloth.

Carefully flush the ram prior to assembly. Install the ram on the roller. See “4 Hydraulic diagram” on page 58 regarding positioning of the rams, and then bleed the hydraulic system. See “3.6 Bleeding the hydraulic system of the pre-implements” on page 55.

01.05.2015ver.3 53


3.5 Replacement of the seal in the hydraulic ram used for folding s/n 9757-

NOTE!Observe extreme caution. The hydraulic ram for folding may have its hydraulic pressure even when it's not connected to the tractor.

Figure 3.10

NOTE!Piston rod guide is tightened by 700 Nm and equipped with a mechanical spin-lock.

NOTE!Carefully clean the hydraulic ram before starting the job.

1 Make a mark on the ram tube and piston rod guide to enable same position at assembly, see “Figure 3.10”.

2 Loosen the screw (A) M6x8 completely and make sure to save the steel ball (D) forming the spin-lock.

3 Mount the tool (C) on the piston rod guide (B). Undo and remove the piston rod guide.

4 Pull out the piston rod. Replace the seal.

NOTE!Be very careful not to damage the seal or surface surrounding the seal.

5 Check that there are no scratches on the jacket lining (E).

6 Assemble in reverse.

! Be careful to tighten the piston rod guide to 700 Nm to the previous made markings. To refit the spin-lock put back the steel ball (D) in the hole and refit and tighten screw (A).

Carefully flush the ram prior to assembly. Install the ram on the roller, see “4 Hydraulic diagram” on page 58 how to connect hydraulic hoses.

. .

A

B

C

D

E

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3.6 Bleeding the hydraulic system of the pre-implements

When bleeding the hydraulic system, it is not necessary to undo any couplings, instead the tractor hydraulics are used for this purpose.

! Retract the rams to their end stops by fully raising the pre-implement frames. Keep the hydrau-lic lever on the tractor in position in order that oil is continuously pressed into the rams (for approx. 10-15 seconds during daily bleeding; approx. 1-2 minutes following service on the hy-draulic system). Once the first ram has been filled with oil, the oil will start to flow via an over-flow valve to the second ram, etc. Please also see “4 Hydraulic diagram” on page 58.

3.7 Bleeding of the folding ram

To bleed the folding ram, operate the piston rod a few times between its outer and inner end stops until all air has been bled. When bleeding the ram, it must have already been installed on the im-plement!

3.8 Disc replacement

Make sure the pre-implements rest properly on solid supports. When replacing discs, use a counter wrench or better still a nutrunner. Block the disc using a wood block or similar to prevent it from turning. The discs have sharp edges - use gloves! Tighten the pinned head screws crosswise to a torque of 105 Nm.

01.05.2015ver.3 55


3.9 Replacing the disc hub

NOTE!Make sure the pre-implements rest properly on solid supports. Be sure to keep dirt away whenever work needs to be performed on the bearing!

DismantlingRemove the protective cover (A) on machines with serial numbers (-9349), see “Figure 3.11”. Undo the nut (B). The bearing can now be removed from the shaft pivot.

Fitting a new hubInstall the hub and the O-ring on the shaft pivot as shown in “Figure 3.11” (-9349) or “Figure 3.12” (9350-). Fit a new nut and tighten it to a torque of 285 Nm. Install a new protective cover on those machines with serial numbers (-9349).

3.9.1 Replacement of seal in hub (-9349)

Figure 3.13

! The hub is dismantled and refitted according to “3.9 Replacing the disc hub” on page 56.

Dismantle the old seal using a screwdriver or similar. Take care not to damage the metal surfaces. Clean the metal surfaces. Fit a new seal.


B A B

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3.10 Washers between the frame sections, CR 820

Figure 3.14

Bolts and washers are fitted between the frames for the wheel sections and outer sections on the CR 820. The washers are mounted as described below.

1 Fit the washers facing each other. See the illustration.

2 Make sure that the right quantity of washers are fitted.

3 The nut should be screwed on only by such an amount that there is no free play between the washers. A springing effect will then be obtained and the roller will follow the ground better.

x12 x12

01.05.2015ver.3 57

Hydraulic diagram

4 Hydraulic diagram

Figure 4.1 CR 420-820, 4100-

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CR 420-820

5 Technical data

5.1 Carrier with steel compactor

Table 5.1

Implement, CR 420 500 650 820

Work width (m) 4,2 5,0 6,5 8,2

Transport width (m) 2,5 2,5 2,5 2,5

Number of sections 3 3 3 5

Weight CR (kg) 3100 3700 4760 5740

Hitching weight, tractor, CR (kg) 500 840 950 480

Weight of Disc, total (kg) 900 1150 1340 1660

Weight of Disc, intermediate section (kg) 380 380 380 380

Weight of Disc, wheel section (kg) 260 385 480 450

Weight of Disc, outer section (kg) - - - 190

Total weight CR + Disc (kg) 4000 4850 6100 7400

Hitching weight, tractor, CR + Disc (kg) 750 840 1050 800

Transport height, CR + Disc (m) 3 3 3 3

Total weight, straw harrow (kg) 210 240 270 360

Weight straw harrow centre section (kg) 80 80 80 80

Weight straw harrow wheel section (kg) 65 80 95 95

Weight straw harrow outer section (kg) - - - 45

Hitching weight, tractor, CR + Disc + straw harrow (kg)

800 900 1100 570

Transport height, CR + Disc + straw harrow (m) 4 4 4 4

Weight of Disc Crossboard, total (kg) 1500 1700 2040 -

Weight of Disc Crossboard, intermediate section (kg) 600 600 600 -

Weight of Disc Crossboard, wheel section (kg) 450 550 720 -

Total weight CR + Disc Crossboard (kg) 4600 5400 6800 -

Hitching weight, tractor, CR + Disc Crossboard (kg) 800 850 1000 -

Transport height, CR + Disc Crossboard (m) 3,8 3,8 3,8

Tyres 400/60x15,5 400/60x15,5 400/60x15,5 400/60x15,5

Bearing class 14-ply 14-ply 14-ply 14-ply

Tyre pressure kp/cm2 3,4 3,4 3,4 3,4

Tyre pressure kPa 340 340 340 340

Power requirement, incl. pre-implements (hp) 120-170 150-200 180-260 250-320

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Technical data

5.2 Carrier with rubber compactor

Table 5.2

Implement, CR 420 500 650 820

Work width (m) 4,2 5,0 6,5 8,2

Transport width (m) 2,5 2,5 2,5 2,5

Number of sections 3 3 3 5

Weight CR (kg) 2500 2900 3650 4300

Hitching weight, tractor, CR (kg) 450 760 860 430

Weight of Disc, total (kg) 900 1150 1340 1660

Weight of Disc, intermediate section (kg) 380 380 380 380

Weight of Disc, wheel section (kg) 260 385 480 450

Weight of Disc, outer section (kg) - - - 190

Total weight CR + Disc (kg) 3400 4050 4990 5960

Hitching weight, tractor, CR + Disc (kg) 680 760 950 720

Transport height, CR + Disc (m) 3 3 3 3

Total weight, straw harrow (kg) 210 240 270 360

Weight straw harrow centre section (kg) 80 80 80 80

Weight straw harrow wheel section (kg) 65 80 95 95

Weight straw harrow outer section (kg) - - - 45

Hitching weight, tractor, CR + Disc + straw harrow (kg)

720 810 990 520

Transport height, CR + Disc + straw harrow (m) 4 4 4 4

Weight of Disc Crossboard, total (kg) 1500 1700 2040 -

Weight of Disc Crossboard, intermediate section (kg) 600 600 600 -

Weight of Disc Crossboard, wheel section (kg) 450 550 720 -

Total weight CR + Disc Crossboard (kg) 4000 4600 5690 -

Hitching weight, tractor, CR + Disc Crossboard (kg) 720 760 900 -

Transport height, CR + Disc Crossboard (m) 3,8 3,8 3,8

Tyres 400/60x15,5 400/60x15,5 400/60x15,5 400/60x15,5

Bearing class 14-ply 14-ply 14-ply 14-ply

Tyre pressure kp/cm2 3,4 3,4 3,4 3,4

Tyre pressure kPa 340 340 340 340

Power requirement, incl. pre-implements (hp) 120-170 150-200 180-260 250-320

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590 21 VÄDERSTAD S-590 21 VÄDERSTADSWEDEN

Telefon 0142-820 00 Telephone +46 142 820 00Telefax 0142-820 10 Telefax +46 142 820 10www.vaderstad.com

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