TGH Pump Operating & Service Manual

8/10/2019 TGH Pump Operating & Service Manual

1/39

GARDNER DENVER

TRIPLEX PLUNGER PUMP

MODEL

TGH

OPERATING ANDSERVICE MANUAL

316102nd Edition

June, 1997


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31610 Page i

MAINTAIN PUMP RELIABILITY AND PERFORMANCE WITHGENUINE GARDNER DENVER

PARTS AND SUPPORT SERVICES

Gardner Denverand OPIgenuine pump parts aremanufactured to original tolerances and designed foroptimum dependability. Design and material innova-tions are the result of years of experience with

hundreds of different pump applications. Reliability inmaterials and quality assurance are incorporated in ourgenuine replacement parts.

Your authorized Gardner Denver and OPI distribu-tor offers all the backup youll need.A worldwidenetwork of authorized distributors provides the finestproduct support in the pump industry.

Your local authorized distributor maintains a large in-ventory of genuine parts and he is backed up for emer-

gency parts by direct access to the Gardner DenverMachinery Inc. Master Distribution Center (MDC) inMemphis, Tennessee.

Your authorized distributor can support your GardnerDenver and OPI pump needs with these services:

1. Trained parts specialists to assist you in select-ing the correct replacement parts.

2. Repair and maintenance kits designed with thenecessary parts to simplify servicing your pump.

Authorized distributor service technicians are factorytrained and skilled in pump maintenance and repair.They are ready to respond and assist you by providingfast, expert maintenance and repair services.

For the location of your local authorized Gardner Denver and OPI distributor refer to the yellow pagesof your phone directory or contact:

Distribution Center: Factory:Gardner Denver Machinery Inc. Gardner Denver Machinery Inc.Master Distribution Center 1800 Gardner Expressway5585 East Shelby Drive Quincy, IL 62301Memphis, TN 38141 Phone: (217) 2225400Phone: (901) 3636100 Fax: (217) 2247814Fax: (901) 3631095

INSTRUCTIONS FOR ORDERING REPAIR PARTS

When ordering parts, specify Pump MODEL and SE-RIAL NUMBER (see nameplate on unit). The SerialNumber is also stamped on top of the cylinder end ofthe frame (cradle area).

All orders for Parts should be placed with the near-est authorized distributor.

Where NOT specified, quantity of parts required perpump or unit is one (1); where more than one is required

per unit, quantity is indicated in parenthesis. SPECIFYEXACTLY THE NUMBER OF PARTS REQUIRED.

DO NOT ORDER BY SETS OR GROUPS.

To determine the Right Hand and Left Hand side of apump, stand at the power end and look toward the fluidend. Right Hand and Left Hand are indicated in paren-thesis following the part name, i.e. (RH) & (LH), whenappropriate.


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FOREWORD

Gardner Denverand OPIpumps are the result of advanced engineering and skilled manufacturing. To be assuredof receiving maximum service from this machine the owner must exercise care in its operation and maintenance.

This book is written to give the operator and maintenance department essential information for daytoday opera-tion, maintenance and adjustment. Careful adherence to these instructions will result in economical operation andminimum downtime.

Danger is used to indicate the presence of a hazard which will cause severe personalinjury, death, or substantial property damage if the warning is ignored.

Warning is used to indicate the presence of a hazard which can cause severe person-al injury, death, or substantial property damage if the warning is ignored.

Caution is used to indicate the presence of a hazard which will or can cause minorpersonal injury or property damage if the warning is ignored.

Notice is used to notify people of installation, operation or maintenance informationwhich is important but not hazardrelated.


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TABLE OF CONTENTS

Maintain Pump Reliability and Performance with Genuine Gardner DenverPartsand Support Services i. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Instructions for Ordering Repair Parts i. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Foreword ii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Index iv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 1, Danger Notices 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 2, Installation & Operating Instructions 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Sectional View of TGH Pump With Block Fluid Cylinder 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 3, Service Instructions 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 4, Trouble Shooting 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Suggested Periodic Maintenance Schedule Power End 27. . . . . . . . . . . . . . . . . . . . . . . . . . .

Suggested Periodic Maintenance Schedule Fluid End 28. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Plunger Packing Lubrication Recommendation Chart 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rock Drill Lubricants 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Steam Cylinder Oils 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Section 5, Dimensions & Running Clearances 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Recommended Torques 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty Last Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

For Parts List see:

PARTS LIST # 31519


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INDEX

Bearing and Eccentric Assembly 17. . . . . . . . . . . . . . .

Connecting Rods 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Covers and Guards, Danger Notice 2. . . . . . . . . . . . . .

Crankcase Oil Requirements 29. . . . . . . . . . . . . . . . . .

Crossheads and Pins 18. . . . . . . . . . . . . . . . . . . . . . . . .Cylinder 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DANGER NOTICES, SECTION 1 1. . . . . . . . . . . . . . .

Danger Notices

Covers and Guards 2. . . . . . . . . . . . . . . . . . . . . . . . .

Equipment Moving and Lifting 2. . . . . . . . . . . . . . . .

Flammable, Hot, Cold or Corrosive FluidPumping 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hammer Lug Fasteners 1. . . . . . . . . . . . . . . . . . . . .

High Pressure Liquid Jetting, Blasting andCleaning 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hydraulic 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressurized Pump Systems 3. . . . . . . . . . . . . . . . . .

Valve Seat Pulling 2. . . . . . . . . . . . . . . . . . . . . . . . . .

Wedge Puller 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DIMENSIONS & RUNNING CLEARANCES,SECTION 5 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Eccentric and Bearing Assembly 17. . . . . . . . . . . . . . .

Equipment Moving and Lifting, Danger Notice 2. . . . .

Extension Rods 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

External Gear Reducer 19. . . . . . . . . . . . . . . . . . . . . . . .

Figure 1 Sectional View of PAH/TGH Pump withBlock Fluid Cylinder 11. . . . . . . . . . . . . . . . . . . . . . .

Figure 2 Sectional View of Fluid Cylinder 12. . . . . .

Figure 4 Jackshaft Bearing Detail 16. . . . . . . . . . . . .

Figure 5 Jackshaft Bearing Installation 16. . . . . . . .

Filter, Oil 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Flammable, Hot, Cold or Corrosive Fluid Pumping,Danger Notice 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gear Reducer, External 19. . . . . . . . . . . . . . . . . . . . . . .

Gears, Main 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hammer Lug Fasteners, Danger Notice 1. . . . . . . . . .Heat Exchanger 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

High Pressure Liquid Jetting, Blasting and Cleaning,Danger Notice 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hydraulic Puller, Danger Notice 2. . . . . . . . . . . . . . . . .

Installation 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION AND OPERATING INSTRUC-TIONS, SECTION 2 7. . . . . . . . . . . . . . . . . . . . . . . .

Introduction i. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Jackshaft 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lifting and Moving Equipment, Danger Notice 2. . . . .

Long Term Storage 10. . . . . . . . . . . . . . . . . . . . . . . . . . .

Lubrication 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lubricator 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Gears 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Moving and Lifting Equipment, Danger Notice 2. . . . .

Oil Filter 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Pump 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Oil Stop Heads 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Periodic Maintenance Schedule, Power End 27. . . . .

Periodic Maintenance Schedule, Fluid End 28. . . . . .

Piston Liners and Liner Clamps 14. . . . . . . . . . . . . . . .

Piston Rod 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Piston Washing System 14. . . . . . . . . . . . . . . . . . . . . . .

Pistons 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Plunger 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Plunger Packing, Lubrication RecommendationChart 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rock Drill Lubricants 30. . . . . . . . . . . . . . . . . . . . . . .

Steam Cylinder Oils 30. . . . . . . . . . . . . . . . . . . . . . .

Plunger Stuffing Box Packing 13. . . . . . . . . . . . . . . . . .

Power End 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Relief Valve 7. . . . . . . . . . . . . . . . . . . . . . . . . .

Pressurized Pump Systems, Danger Notice 3. . . . . .

Pump, Oil 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Parts, Ordering Instructions i. . . . . . . . . . . . . .

Running Clearances, Recommended 31. . . . . . . . . . .

SERVICE INSTRUCTIONS, SECTION 3 12. . . . . . . .

Service Instructions 16. . . . . . . . . . . . . . . . . . . . . . . . . . .

Power End 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Slow Speed Operation of WellServicing Pumps 9. .

Starting a New Pump 8. . . . . . . . . . . . . . . . . . . . . . . . . .

Storage, Long Term 10. . . . . . . . . . . . . . . . . . . . . . . . . .Suction System 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Torques, Recommended 32. . . . . . . . . . . . . . . . . . . . . .

TROUBLE SHOOTING, SECTION 4 21. . . . . . . . . . . .

Valve Seat Pulling, Danger Notice 2. . . . . . . . . . . . . . .

Warranty Last Page. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wedge Puller, Danger Notice 2. . . . . . . . . . . . . . . . . . .

WellServicing Pumps, Slow Speed Operation 9. . . .


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SECTION 1DANGER NOTICES

Read and understand the following DANGER NO-TICES before moving or operating the pump or anypump package unit equipment.

Reciprocating pumps are machines capable of produc-ing high fluid pressures and flow rates and are de-signed to be used with proper care and caution bytrained, experienced operators. TO AVOID PER-SONAL INJURY, DEATH AND/OR EQUIPMENTDAMAGE, READ AND THOROUGHLY UNDER-STAND THE FOLLOWING DANGER NOTICESPLUS THE ENTIRE OPERATING AND SERVICEMANUAL BEFORE ATTEMPTING TO MOVE OROPERATE THE PUMP. Contact a Gardner Denver

Machinery service representative if you are unable tocomply with any of the danger notices or proceduresdescribed in these documents.

Closely examine the data plate upon pump delivery tobecome thoroughly familiar with the operating limits forthis pump model. The pump must neverbe operatedat speeds, pressures or horsepower exceeding themaximum values shown on the data plate or atspeeds below the minimum shown. Failure to ob-serve the operating limits shown on the data platecould result in personal injury, death, and/orequipment damage and will void the warranty. Al-terations to the pump, or application of the pump out-side the data plate limits, must not be made withoutGardner Denver Machinery written approval togetherwith a new data plate, as dangerous operating condi-tions could result.

THE DANGER NOTICE AND DATA PLATES PRO-VIDED ON THE EQUIPMENT MUST NOT BE RE-MOVED, PAINTED OVER, HIDDEN OR DEFACED.They must be replaced if they become damaged or un-readable. Provisions should be made to have the fol-lowing written danger notices plus the pump operatingand service manual readily available to operators andmaintenance personnel. In addition, copies of all pump

system accessory component (e.g. pressure reliefvalve, pulsation dampener, suction stabilizer, engine,electric motor, etc.) operating and service manualsshould be readily available for operator and mainte-nance personnel use. Read and follow all the precau-tions and instructions contained in these manuals. Ifany of these documents are lost or become illegiblethey must be replaced immediately. The danger no-tices plus the operating and service manuals should bereread periodically by both operators and maintenance

personnel to refresh their memories in safe proceduresand practices.

Keep in mind that full operator attention and alertness

are required when operating high pressure pumpingequipment. Operators should not begin or continue op-erations when tired, distracted or under the influence ofalcohol or any type of prescription or nonprescriptiondrugs.

The timely replacement of expendable parts and anyother worn or damaged parts can prevent equipmentdamage and possible injury. The original parts used inGardner Denver pumps are designed and tested to ex-acting standards to provide high quality performanceand durability. Your best insurance in maintainingthese characteristics is to use genuine Gardner Denverreplacement parts.

A broad range of danger notices are covered on thesepages, however, they cannot substitute for training, ex-perience and common sense in the safe operation ofhigh pressure pumping equipment.

HAMMER LUG FASTENERS

On pumps or pump package units equipped with ham-mer lug connectors and/or hammer lug valve coversthe following precautions must be observed to avoidpersonal injury, death and/or equipment damage due

to contact with the hammer, hammer bar, broken partsfrom the hammer, hammer bar or lugs or other objectspropelled by hammer blows. When tightening or loos-ening hammer lug connectors and valve covers, opera-tors or maintenance personnel should:

Inspect the hammer, hammer lugs and hammerbar, if one is used, to insure they are all in goodcondition. Replace any of these parts which arecracked, damaged or badly worn.

Wear safety shoes and goggles.

Alert other personnel to move away from thearea.

Check to insure they have safe footing.

Fully engage the hammer bar, if one is used, toprevent it from disengaging violently from thecover as a blow is struck.

Wipe their hands and the hammer handle andmaintain a firm grip on the handle to avoid losingcontrol of the hammer while swinging and strik-ing.


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Carefully swing the hammer to avoid strikingthemselves, another person and objects otherthan the targeted lugs or hammer bar.

Avoid swinging the hammer above shoulderheight.

VALVE SEAT PULLING

The following precautions must be observed by opera-tors and maintenance personnel to avoid personal inju-ry, death and/or equipment damage from contact withthe puller, hammer, wedge or broken parts from thesecomponents when using either a hydraulic or wedgevalve seat puller:

Hydraulic Puller

Wear safety shoes and goggles.

Chain or tie the jack down as it will jump violentlywhen the valve seat disengages from the valvedeck.

Check to insure the pressure applied by the hy-draulic pump does not exceed the hydraulicram maximum pressure rating.

Wedge Puller

Grind off any mushroomed material from thewedge before use.

Follow the danger notices listed above in thehammer lug section, but substitute the termwedge for hammer lug and hammer bar.

COVERS AND GUARDS

All pump covers must be securelyfastened in proper position at alltimes when the pump is operating toavoid personal injury or death frommoving parts. In addition, all moving

parts on the entire pump package, in-cluding but not limited to engine ormotors, drive shafts, belts, chains,pulleys, gears, etc., must be equippedwith guards or covers, which mustalso be securely fastened in properposition at all times when the equip-ment is operating.

Covers and guards are intended to not only protectagainst personal injury or death, but to also protect theequipment from damage from foreign objects.

EQUIPMENT MOVING AND LIFTING

Heavy equipment including pumps, pump packageunits and components should only be moved or liftedby trained, experienced operators, who are physicallyand mentally prepared to devote full attention and alert-ness to the moving and lifting operations. An operatorshould be fully aware of the use, capabilities, andcondition of both the equipment being moved and theequipment being used to move it.

Failure to follow safe and proper

pump, pump package or componentlifting or moving procedures can leadto personal injury, death and/orequipment damage from shifting, fal-ling or other unexpected or uncon-trolled equipment movements.

Make sure the hoist, lift truck, ropes, slings, spreader,or other lifting equipment you are using is in good condi-tion and has a rated lifting capacity equal to or greaterthan the weight being lifted. Lifting devices must bechecked frequently for condition and continued confor-

mance to rated load capacity. They should then betagged with the inspected capacity together with thedate of inspection.

Fully assembled pumps and pump package units areheavy and should only be moved using the specifiedlifting lugs or attachments. Many individual compo-nents have lifting eyes or lugs which must not beused to lift assemblies, as they are designed tobear the weight of the component only. Before lift-ing the individual component check to insure the liftingattachment is firmly secured to the component with un-damaged, properly torqued fasteners, sound welds, orother secure attachments. Examine the lifting eyes,lugs, slots, holes or other projections to insure they arenot cracked, otherwise damaged or badly worn. Therepair of existing or addition of new welded lifting eyes,lugs or other projections should only be performed byexperienced, qualified welders.

Package units should be lifted with spreaders con-nected to the lifting attachments normally built into thepackage unit support skid. Packages too large to lift ful-ly assembled should be separated into smaller loads.


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For these smaller loads the lifting devices should befastened to the lifting attachments normally built intothe individual motor, engine, pump or transmission/torque converter, or their separate support skids.

When lifting subassembled components, for examplea suction stabilizer attached to suction piping or a dis-charge pulsation dampener attached to a strainer crossand piping, use special lifting slings designed to safelysupport the combined weight of the components.

If a crane or hoist is being used to lift large componentsor assemblies, one or more persons should assist theoperator from the ground with guide lines attached tothe equipment being moved to properly position it andprevent uncontrolled movement.

When you start to lift a pump, package unit, subassem-blies or individual components and you observe theequipment is tilting, or appears unbalanced, lower theequipment and adjust the lifting device to eliminatethese improper lifting conditions before proceeding tomove the equipment.

It is poor practice and dangerous to allow the equip-ment to pass over or close to your body or limbs. Beprepared to move quickly out of danger if equipmentstarts to fall, slip or move unexpectedly toward you.

PRESSURIZED PUMP SYSTEMS

Fluids under high pressure can pos-sess sufficient energy to cause per-

sonal injury, death and/or equipmentdamage either through direct contactwith escaping fluid streams or by con-tact with loose objects the pressur-ized fluid propels.

Operating a pump against a blocked or restricted dis-charge line can produce excessive pressures in the en-tire discharge system, which can damage or burst dis-charge system components.

Never operate a pump without a prop-erly sized pressure relief valve lo-cated in the flowing discharge line im-mediately adjacent to the pump dis-charge connection.

The relief valve should be placed in the flowing dis-charge line and not at the opposite end of the dischargemanifold in a dead end connection. The dead end maybecome clogged with solid material carried in the fluid,which could prevent proper relief valve operation.

Never place a shutoff valve or anyother component between the pumpdischarge connection and the pres-sure relief valve.

Make sure the pressure relief valve is installed so anypressurized relief discharge from the valve is directedaway from possible contact with people or equipment.The relief valve must be set to relieve at a pressureequal to or below the maximum pressure values shownon the pump data plate. However, if a component is

used in the discharge system with a lower rated pres-sure capability than that listed on the pump data plate,the pressure relief valve must be set to relieve at a pres-sure equal to or below the rated capability of the lowestrated component.

Before starting the pump every time, check to in-sure:

The pressure relief valve is in good operatingcondition and has been set to the proper reliefpressure.

Any pipe line used to direct pressurized relief

flow to another location, such as a collectingtank, is not blocked.

The discharge system is not blocked and all thedischarge line valves are open.

Check all fluid end discharge system componentsincluding pipe, connections, elbows, threads, fas-teners, hoses, etc., at least once every six monthsto confirm their structural adequacy. With time,wear, corrosion and fatigue can reduce the strength ofall components. Magnetic iron and steel componentsshould be checked with magnetic particle or dye pene-trant crack detection equipment. Nonmagnetic materi-als should be checked for cracks with dye penetrants.All metallic components should also be visuallychecked during these inspections for signs of corro-sion. If a component shows evidence of cracking orloss of material due to corrosion it must be replacedwith a new part.

Continually monitor suction and discharge hose as-semblies when the pump is operating for leakage, kink-ing, abrasion, corrosion or any other signs of wear ordamage.


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Worn or damaged hose assemblies should be re-placed immediately. At least every six months ex-amine hose assemblies internally for cut or bulgedtube, obstructions and cleanliness. For segment stylefittings, be sure that the hose butts up against the nippleshoulder, the band and retaining ring are properly setand tight and the segments are properly spaced.Check for proper gap between nut and socket or hex

and socket. Nuts should swivel freely. Check the lay-line of the hose to be sure that the assembly is nottwisted. Cap the ends of the hose with plastic coversto keep them clean until they are tested or reinstalledon the pump unit. Following this visual examination,the hose assembly should be hydrostatically tested, ontest stands having adequate guards to protect the oper-ator, per the hose manufacturers proof test procedure.

Fluid end component inspections should be per-formed more frequently than every six months ifpressures above 2500 psi are used in the dis-charge system or if corrosive, flammable or hot(over 110F) fluids are being pumped.

Proper stuffing box packing selection is important forsafe pump operation. Contact a Gardner Denver Ma-chinery service representative for assistance in select-ing the proper packing before beginning operation.

Before starting the pump for the first time and periodi-cally thereafter check the pump, suction and dischargesystem fastener torques versus the values listed in theOperating and Service Manual tables to insure propertightness. Over and under torquing can damagethreaded pipes, connections and fasteners, which maylead to component damage and/or failure. Replace all

components found to be damaged or defective. Onpumps equipped with stuffing boxes, the gland must beengaged by at least three (3) threads to hold the dis-charge pressure of the pump.

Do not attempt to service, repair, ad-just the plunger packing or otherwisework on the pump while the unit is op-erating. Shut off the pump drive mo-

tor or engine and relieve the fluidpressure in the pump suction and dis-charge systems before any work orinvestigation is performed on thepump or pump systems.

Block the crankshaft from turning and make certain thatall pump drive motor or engine start switches or starter

controls are clearly tagged with warnings not to startthe pump while repair work is in process.

Whenever the pump is operating, continually monitorthe entire suction, discharge and pump lubricating sys-tems for leaks. Thoroughly investigate the cause forleakage and do not operate the pump until the causeof the leak has been corrected. Replace any partswhich are found to be damaged or defective. When a

gasketed joint is disassembled for any reason, discardthe used gasket and replace it with a new, genuine Gar-dner Denver gasket before reassembling the joint.

Due to the high working pressures contained by thefluid cylinder, discharge manifold and discharge piping,welding on these components is not recommended. Ifwelding on the discharge system cannot be avoided,only experienced, qualified welders should be used. Inaddition, the welded part should be hydrostaticallyproof tested in the shop with water or hydraulic fluid toone and one half times maximum discharge systemworking pressure, with no observable fluid leakage, be-fore the part is reinstalled in the pump system.

In summary, high pressure fluid streams can possesssufficient energy to cause personal injury, death and/orequipment damage. These results can occur eitherthrough direct contact with the fluid stream or by con-tact with loose objects the fluid stream has propelled,if the pump system is improperly used, or if the fluid ismisdirected, or allowed to escape from defective or im-properly maintained equipment.

FLAMMABLE, HOT, COLD OR CORROSIVE FLUIDPUMPING

Extreme caution must be exercisedby trained and experienced operatorswhen flammable, hot, cold or corro-sive fluids are being pumped, in orderto avoid personal injury, death and/orequipment damage due to explosion,fire, burn, extreme cold or chemicalattack.

Never operate a pump which is pumping hydrocarbonsor other flammable, hot, cold, or corrosive fluids whenany part of the pump, suction system or discharge sys-tem is leaking. Stop the pump immediately if any leak-age, other than a few drops per minute of packingweepage, is observed. Keep all flame, sparks, or hotobjects away from any part of the pump, suction sys-tem, or discharge system. Shield the pump, suction


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system and discharge system to prevent any flam-mable, hot, cold or corrosive fluid leakage from drippingor spraying on any components, flame, sparks, hot ob-

jects or people. Inspect the plungers, packing, gasketsand seals for fluid leakage frequently and replace allworn or leaking parts.

Selection of the proper gaskets, seals and stuffing box

packing is even more critical when flammable, hot, coldor corrosive fluids are being pumped than when other,inherently less dangerous fluids are used. Contact aGardner Denver Machinery service representative forassistance in selecting the proper gaskets, seals andpacking before beginning operation.

Since some packing seepage into the cradle area is in-evitable, the drain at the bottom of the cradle must beconnected to a drain line which conducts the fluid leak-age to a collection container located in a protectedarea. The entire drain system and container must beconstructed of materials resistant to attack from thepumped fluid or from explosion or fire of the pumpedfluid. Heavy duty cradle covers must be securelyfastened in the proper position on the pump at alltimes when the pump is operating. If the pumpedfluid releases harmful, explosive or flammable va-pors the covers must be vented to conduct thefumes away from the pump unit to a nonhazardousarea.

Before beginning pumping operations or starting thepump power source (whether an engine or electric mo-tor) check the atmosphere all around the pumping sitefor the presence of flammable or explosive vapors. Donot begin operation and stop ongoing operation if flam-mable or explosive vapors are detected. Hot surfaces,sparks, electric current or engine exhaust could igniteflammable or explosive vapors. Each engine used asa power source on pumping units where flammable orexplosive vapors could form should be equipped withan air inlet shutoff. If flammable or explosive vaporsare present in the pumping site atmosphere, an enginecould continue to run on these vapors even after the en-gine fuel line is shutoff if an air inlet shutoff is notused.

In addition, on pumping units used where flammable orexplosive vapors could form, all electric motors used aspower sources must be of explosion proof constructionand all electrical components and wiring must meet thecurrent National Electrical Code for explosive atmosp-heres.

These precautions must be taken to avoid possible per-sonal injury, death and/or equipment damage from ex-plosion, fire or burns.

HIGH PRESSURE LIQUID JETTING, BLASTINGAND CLEANING

Extreme caution must be exercised ifany type of wand, gun, nozzle or any

other pressure and flow directing de-vice is attached to the pump dis-charge system for use in jetting,blasting, cleaning, etc. This type ofequipment must be used with utmostcare by trained, experienced opera-tors. High pressure fluid streams caneither by direct contact or by propel-ling loose objects, cause serious per-sonal injury or death to the operatorsand/or other persons.

Pressure or flow directing devices often receive pres-surized flow through flexible hoses, which can burst ifthey are kinked, cut, abraded or are otherwise worn,damaged or pressured above their rated capacity. Pro-tect the hose and connections from damage by people,objects and vehicles. A broken, cut or otherwise bursthose can release pressurized fluid which may causepersonal injury, death and/or equipment damage.

High pressure fluid from hand held or hand directedpressure and flow directing devices may overpower anoperators ability to control or direct the device, which

could lead to personal injury, death and/or equipmentdamage. The operator must brace against the back-ward thrust of a hand held device. In addition, a safetyharness or safety net must be used when working in anarea where the operator could be injured in a fall. Standto the side of any tubing or container being sprayed toavoid back spray and never operate a hand held deviceabove shoulder level.

Never direct the pressurized fluid stream at yourself orany other person, control valves, the pump, pumpdrive, suction or discharge systems. The pressurizedstream can cause serious personal injury or death andcan also change valve or control settings which could

dangerously increase the delivery pressure to the pres-sure and flow directing device.

When operating a pressure and flow directing device,use only equipment which automatically shuts off flowwhen an operator releases hand or foot pressure on thepressurized flow trigger control to prevent injury if theoperator is overpowered or becomes disabled.

Check to insure this automatic shutoff equipment isoperating properly before every use and nevercircum-


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vent the automatic shutoff for any reason or by anymeans when operating the equipment.

When operating any type of high pressure liquid jetting,blasting or cleaning devices the operators must alwayswear protective clothing including, but not limited to, ahard hat with full face visor, heavy duty rain coat andpants, boots with nonskid sole and safety toe, rubbergloves with rough grip surface and ear noise protection.

Full operator attention and alertness are required whenoperating this equipment to avoid personal injury, deathand/or equipment damage. The operators should takefrequent rest breaks and cease operations when theybecome tired or distracted.

Before the equipment is started, the work area must beinspected and properly prepared to avoid personal inju-ry, death and/or damage to equipment. Make sure thework area is checked for hazardous fumes, has ade-quate ventilation for engine exhaust and sufficientdrainage for released fluid. Check the work area forelectrical equipment, connections, outlets, fixtures, or

lines. If any are present they must be made water tightand the electrical power to these devices must be shutoff to avoid electrical shocks from fluid contact. Thework area should be clearly marked and roped off tokeep unauthorized people and vehicles from entering.Remove all loose parts, tools and equipment from thework area before beginning operation.

All pressure containing devices including wands,nozzles, guns, hoses, connections, etc., should be reg-ularly checked for condition. These componentsshould all be tagged with their tested pressure capabili-ties together with the date testing was performed. Al-ways be aware of the pressure level in the systemand neverconnect any equipment to the systemwhich has a rated or tested pressure capability be-low the system operating pressure. The equipmentmust be shut down and the system pressure releasedbefore changing or disconnecting wands, nozzles,

guns, hoses, connections or any other pressurizedsystem components.

All pressure containing devices including wands,nozzles, guns, connections, etc., plus all automaticshutoff, pressure and control equipment should betreated with care. Protect them from damage bypeople, objects and vehicles. Neverlay them in dirt,mud, ice or other loose material which could plug thefluid opening or interfere with their operation. Neveruse the wand, nozzle, gun, etc. to pry loose material offitems being cleaned.

Before starting operation in a cold environment, checkto make sure there is no ice in the fluid system and re-peat this inspection each time before operation is re-started.

Before purchasing wands, nozzles, guns, connections,and hose, etc., manufacturers of these componentsshould be contacted for detailed information on the de-sign and safety features incorporated in their products.After careful study of various manufacturers products,we recommend that onlythose wands, nozzles, guns,connections and hose, etc., be considered for pur-chase that you judge to offer the highest quality of de-sign, construction and safety, since these componentsare among the most critical to the safe operation of highpressure liquid jetting, blasting and cleaning equip-ment.

After you have selected and purchased these compo-nents, follow the manufacturers instructions complete-ly in their use.

In summary, high pressure jetting, blasting andcleaning are inherently dangerous, as the pressur-es and flow rates needed to remove scale, clean,etc. are sufficient to cause personal injury, deathand/or equipment damage resulting from, but notlimited to, any of the conditions described in theabove Danger Notices.


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SECTION 2INSTALLATION & OPERATING INSTRUCTIONS

Always wear safety shoes andgoggles when operating and perform-ing maintenance on a pump to helpprevent personal injury to eyes andtoes from pressurized fluids and fal-ling or flying objects.

INSTALLATION The pump should be located asclose to the fluid supply as possible. A short, straightsuction line will provide the best pump performanceand reduces the possibility of cavitation.

The pump must be driven in the direction indicated byarrows on the frame, that is, the eccentric must rotateover center toward the crosshead oil trough. Rotationin this direction is necessary to assure adequate cross-head lubrication.

Adequate space should be provided around the pumpfor ease of inspection and service. The pump must beleveled and checked for gaps under all frame feet.Shim any gaps to prevent frame damage when the feetare securely fastened to the foundation or base. Pumpframe damage may also occur on truck mounted unitsdue to truck frame flexing, unless a stiff base or isola-tors are used between the pump and truck frames.

The maximum allowable temperature of the pumpedfluid is 200F. (93C.). Any pump application over thistemperature, or with a suction pressure over 50 psi,must be approved in writing by Gardner Denver Ma-chinery Marketing.

SUCTION SYSTEM Suction system conditions arecritical to proper pump performance and durability. Ad-equate suction pressure must be provided at the pumpsuction connection, with a 10 foot (3 meter) suctionhead minimum.

The suction pipe or hose should be the full size of the

pump inlet opening. If the suction line is relatively long,the next larger size pipe or hose should be used. Thesuction line should have a very slight, constant upwardgrade toward the pump to insure air pockets do notform in the line. The suction line must also be airtight.Both air pockets and air leaking into the line will reducepump volumetric efficiency and produce shock loadinginside the pump. Any bends in the suction line shouldbe long radius sweeps. All piping must be supportedindependently of the pump to insure that no strain is im-

posed on the pump by misalignment, vibration or im-properly fitted pipe. Any suction line shutoff valve(s)must be full opening to avoid choking the pump.

If a suction line strainer is used, itmust be cleaned frequently, as aclogged strainer can cause pump ca-vitation and damage.

Many potential pumping problems can be avoided byreviewing the proposed pump layout and suction condi-tions with Gardner Denver Machinery Marketing before

a pump is purchased.PRESSURE RELIEF VALVE The pump must be pro-tected from excess pressure by a pressure relief valve.This valve must be properly sized to handle the full flowof the pump and must be installed as close to the pumpdischarge connection as possible.

Never install a shutoff valve in the linebetween the pressure relief valve andthe pump cylinder. Pumping against

a closed valve could produce pres-sures sufficient to cause propertydamage and/or serious personal inju-ry or death.

Improper use or maintenance of reliefvalves can cause excessive pressurewhich may result in property damage

and/or serious personal injury ordeath.

The relief valve should be set to operate at approxi-mately 1.1 times the discharge pressure, but MUSTNOT exceed equipment tolerances and ratings.

Check the valve for proper functioning at least once amonth.


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STARTING A NEW PUMP Pumps are shipped fromthe factory without oil in the crankcase. The hoodshould be removed and the power end examined andcleaned if necessary. The pump may have been in stor-age or in the yard for some time and as a consequence,dirt or rust from condensation may have formed in thecrankcase. Also, parts may have been robbed from thepump during storage and not replaced. All nuts and

screws should be tightened. Fill the crankcase with thequantity of oil shown on the nameplate attached to thepump frame. Refer to the lubrication data plate and thismanuals LUBRICATION section for the proper oilspecification.

Be sure all valves in the discharge line are open. Novalves should be installed between the pump and pres-sure relief valve in the discharge line.

To prevent excessive wear on the fluid pistons or pack-ing when starting, the pump should be started slowlyand should be operated for a short period with practical-ly no discharge pressure. Use the recirculation line

(discharge flow bypass back to suction inlet), by open-ing the recirculation line valve to perform this operation.

Make certain the pump is rotating in the correct direc-tion. The direction of rotation of the jackshaft is indi-cated by an arrow on the frame.

Pumps are shipped from the factorywithout oil in the crankcase.

The cradle cover, all guards and in-spection plates must be securely fas-tened in the proper position beforethe pump is started and must not beremoved at any time when the pumpis in operation, to avoid personal inju-ry and/or death from moving parts.

The pump must be primed at startupto prevent damage to packing andplungers.

The oil level on the pump should be checked with thepump running. The running level on the pump shouldbe between the middle and top of the sight glass in theoil level indicator, located on the side of the pumpframe. Add oil through the threaded opening where thebreather is mounted to the hood. The pump may thenbe brought up to working speed and pressure. Checkfor overheating and listen for abnormal noise. Inspect

all joints in the suction line to be sure there are not airor fluid leaks. Check for excessive vibration caused byimproper suction conditions. Be sure the stuffing boxpackings are properly lubricated per the directions giv-en in the packing lubricator section. If equipped withpiston and liner, be sure liner/piston wash system is op-erating properly.

LUBRICATION The eccentric, crossheads, connect-ing rods and main bearings are lubricated by oil in thecrankcase.

Use only extreme pressure, API GL5gear oil, having the required additivesand viscosity, in the crankcase. Theuse of motor oils in the crankcasedoes not provide acceptable lubrica-tion and voids the warranty.

The selected API GL5 oil must have antiwear, anti

foaming, noncorrosive and rust inhibiting additives. Alist of recommended grades vs. temperatures is lo-cated in the back of this manual and on the pump lu-brication data plate. The list is based on premium quali-ty oils having viscosity values that do not exceed 7000SSU at the minimum startup oil temperatures listedand viscosity values between 1500 SSU and 200 SSUfor the crankcase oil temperatures listed. Oils with vis-cosity values significantly different from these values,at the temperatures listed, may be too thick at low tem-peratures to flow into close bearing clearances, or maybe too thin at high temperatures to carry the requiredloads. In either case, pump damage could occur.

If a 7000 SSU maximum viscosity at startup cannot beassured, a crankcase heater is required. Also, if crank-case oil temperature exceeds 200F (93C), an oilheat exchanger with a circulating pump is required toprevent seal damage and oil break down.

For outdoor operation, the multiviscosity oils are pre-ferred to provide acceptable lubrication over wide tem-perature ranges. However, when multiviscosity oils arenot available, straight weight oils should be acceptable,


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if care is taken to stay within the listed temperatureranges. Straight weight oils are also ideal in pumpsused indoors, when ambient temperatures are con-trolled.

The oil level in the pump should be checked frequently.Add oil through the breather opening. The breather canbe removed by rotating it counter clockwise. Keep the

breather tightly in place while the pump is operating toprevent moisture and dirt from entering the crankcase.On pumps equipped with a replaceable filter elementtype breather, clean the element frequently and replacethe element every six months. When operating in verydusty or dirty conditions, more frequent replacementmay be necessary.

The pressure gauge must be watched and if it showslack of pressure, the oil level should be checked. Thescreen on the suction of the circulating pump might bestopped up so the pump cannot get sufficient oil tomaintain pressure. This screen should be examined atrather frequent intervals and thoroughly cleaned. It canbe removed without draining the oil from the crankcase.

When overhauling the pump, check all oil connectionsand clean the lines thoroughly. The oil relief valveshould also be inspected.

If the pump is to be stored or shut down for severalweeks, turn the pump over a few times to coat workingparts before draining the oil from the crankcase. Thiswill protect the power end parts against damage byrust. For long term storage, see page 10.

The time between oil changes depends on the pump

location and operating conditions. Ordinarily, if thecrankcase is kept closed, the normal change interval is1000 hours. However, the oil must be changed anytime water or other contamination is found in the oil.

The oil should be checked for con-tamination whenever pumped fluidsprays or splashes against an oil stophead. This is especially critical when

the fluid contains salts or solids, asthese contaminants can plug lubri-cating passages and cause rapidpower end failure.

On pumps equipped with a magnetic drain plug, checkthe magnet for metal chips whenever the oil is drained.

If chips are found, remove the frame end plate and theplugs over the crosshead oil reservoir. Clean and flushthe crankcase through these openings before adding afresh oil fill.

Some operating conditions and/or oil brands produceexcessive oil foaming, even when the specified GL5oils containing antifoaming additives are used. Oilfoaming can cause pump damage, as oil bubbles willnot lubricate moving parts properly. If significant oilfoaming occurs, contact Gardner Denver MachineryMarketing or Service for the current factory recom-mended defoamant to be added to the lubricating oil.When it is not possible to contact Gardner Denverpeople, a small amount of kerosene added to the oil willusually reduce foaming. One half of a fluid ounce ofkerosene added to each gallon of oil should be suffi-cient to control foaming. The use of larger amounts ofkerosene per gallon of oil will reduce the oil viscosity,which could result in rapid pump wear and failure.

OIL PUMP The oil pump is the geardriven rotary

type pump which provides filtered oil under pressure toconnecting rod liners and crosshead pin bushings.Crossheads and guides are lubricated by flood from thegear. The pump is reversible and will deliver oil regard-less of the direction of rotation. All the oil pumped is fil-tered before it goes to the bearings.

Slow Speed Operation of WellServicing PumpsWhen the pump is operated below 100 RPM, specialauxiliary oil pump and piping must be installed to main-tain adequate lubrication. Oil pressure of 25 PSI mini-mum must be maintained at all times. The auxiliary oilpump should have a capacity of 15 gallons per minute

or greater.

Do not operate the Well ServicingPump below 34 RPM.

Do not operate the Drilling ServicePump below 60 RPM.

OIL FILTER A replaceable element oil filter is locatedinside the pump crankcase. The filter mounting flangeis on the outside, making it possible to replace the ele-ment by removing the end plate. Only the oil within thefilter case will be spilled when the element is withdrawn.


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The filter element should be replaced each time thecrankcase oil is changed or every 1000 hours.

The filter element is protected from excessive internaloil pressure by a relief valve between it and the oilpump. The relief valve setting is 110 PSIG (7.73 kg/cm2).

On heat exchanger equipped pumps, oil flows throughthe oil filter before going through the heat exchanger.

HEAT EXCHANGER A bronze water/oil heat ex-changer is standard equipment on the pump. The heatexchanger maintains crankcase oil temperature at160F (71C) maximum.

The pump must never be operated in

reverse direction, at pressures orspeeds above the maximum valuesshown on the nameplate, or at speedsbelow the minimum value shown inthe back of the manual, without writ-ten permission from Gardner DenverMachinery Marketing.

Failure to observe this warning couldresult in severe pump damage due tooverloading and/or lack of adequatelubrication.

LONG TERM STORAGE The following procedureshould be followed for long term storage of the unit.

1. Drain and thoroughly clean the inside of the powerend crankcase.

2. Spray a rust inhibiting oil on all bearings, ma-

chined surfaces and the inside surface of the pow-er end. Add a vapor phase inhibitor oil to thecrankcase. (Example shell VSI oil follow themanufacturers instructions.) The power endmust then be tightly sealed from outside air.

3. Clean gear oil should be induced into the oil circu-lating pump, filter, heat exchanger and piping.

4. Remove valves, seats, pistons and liners, orplungers and packing from the fluid end. Theseparts should be thoroughly cleaned and dried.Thoroughly clean fluid cylinder bores. Coat all cyl-

inder bores, valve covers, valve cover locks andreusable expendable parts with a rust preventa-tive or grease. Box and cover the expendableparts and cover the fluid end openings with piecesof wood to prevent animal nesting.

5. If exterior paint has deteriorated, the pump shouldbe repainted.

6. Flush all water, sand and debris from the piston liner wash pump, tank, hoses and spray nozzles.Spray all components with a rust inhibiting oil and

fill the wash pump housing with oil.


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Page

11

FIGURE 1 SECTIONAL VIEW OF PAH/TGH PUMP WITH BLOCK FLUID CYLINDER

D76257


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SECTION 3SERVICE INSTRUCTIONS

FLUID END

CYLINDER Fluid cylinders are the threepiece blocktype. Material is heat treated forged alloy steel. Thefluid end is provided with removable boltedon suctionand discharge manifolds.

Each cylinder is secured to the frame by high tensilestrength connecting studs. It is important that nuts onthese studs be checked occasionally for tightness. Aloose nut will cause a stud to break under pulsatingload. See proper tightening torque on page 32.

The connecting studs extend through the stuffing box

or liner clamp flanges to clamp the stuffing boxes or lin-ers tightly against the face of the cylinder.

FIGURE 2 SECTIONAL VIEW OF FLUID CYLINDER

VALVES In order to keep the pump in its best operat-ing condition, it is necessary to examine the suctionand discharge valves occasionally to see that exces-sive wear or cutting by the slush or mud has not im-paired their efficiency. Any worn or damaged partsshould be replaced.

This is especially true with regard to the inserts. Stan-dard inserts are made of urethane and are the part ofthe valve which should be changed most frequently.They are less expensive than the valves and seats, andif inserts are renewed as soon as they begin to fail, themore expensive steel parts will last much longer. Rou-

tine inspection of valves every two or three days is rec-ommended on drilling and well servicing units.

To removevalves, remove suction and discharge coverlocks and valve covers and the suction valve guide re-tainer and guide and lift each valve and spring fromseat. The seat may be pulled from the tapered bore witha puller.

If a seat puller powered by a hydraulicjack is used, be certain to chain or tiethe jack down as it will jump violentlywhen valve seat lets go.

If it becomes necessary to resort tothe use of heat or cutting torch to re-move a valve seat, the services of aman experienced in this operation arenecessary.

Before putting new seats in the pump, the tapered borein the valve seat deck must be thoroughly cleaned ofmud or slush with a wire brush. Wire brush should beused around the bore rather than up and down. Wipethe bore clean and do not use oil or grease. The boreunit must be cleaned and dry or seat may not seat prop-erly.


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Place the new seat in the bore. Use a block of hardwood and drive with a sledge hammer to a snug initialfit. The pressure load on the valve in operation will drivethe seat home.

Never reuse an old seat once it hasbeen removed from a cylinder, as itmay not fit solidly in the valve deck.

Do not put a used valve assembly on a new seat unlessit is in practically new condition. Be sure to replace adoubtful insert to protect seal and bumper.

Replace the upper valve guide if worn. Replace thevalve spring if it is worn, corroded, distorted or belownormal tension. Valves are provided with stainlesssteel springs for maximum operating life. A brokenspring will cause rapid wear of valve guides and shouldbe replaced. It will also cause wear on suction valveguide mounting lugs inside the cylinder.

It requires experience and judgement to determine ifvalve parts should be replaced or not. Valves arecheaper than down time.

When installing valves put the gasket carefully in place

in the valve chamber and install cover plate. Be certaingasket is not twisted or extruded. On drilling and wellservice units, tighten valve cover lock securely by usinga bar and hammer.

The life of the valves will be lengthened if the mud tanksare kept clean. Foreign objects can be caught underthe valves, thereby holding them open and causing rap-id cutting of the seats and valves.

PLUNGER To remove a plunger, remove coupling

bolt and coupling which holds the plunger to the pushrod. Turn the pump over until the plunger is in the stuff-ing box as far as it will go. Continue to turn pump tillpush rod is backed away from plunger as far as it willgo. Remove stuffing box with plunger and packing inthe box as a complete unit. Pull plunger out of packing.The packing can be installed in the box over the plung-er, but the preferred method is to install the packing,then grease the plunger and push through the packing.Tighten the gland as much as possible. Keep glandtight to prevent movement of packing.

After removing the plunger to cross-head extension coupling, do not usea screwdriver or cold chisel to sepa-rate the extension and plunger

flanges, as burrs may be formedwhich could cause misalignment onreassembly. Instead, rotate the ec-centric slightly.

If the parts do not separate, carefullyslip a pipe wrench around the plungerneck and use a pulling and rotatingmotion to separate the plunger fromthe extension rod. Use caution toavoid damaging the plunger wear sur-

face.

To replace the assembly in pump, reverse above pro-cedure.

Standard equipment plungers are colmonoy coated.Other materials can also be supplied, if required.

Tighten the frame to cylinder and stuffing box studs tothe proper torque of 500 footpounds (69 kgm) (678Nm).

PLUNGER STUFFING BOX PACKING Plungerstuffing boxes are packed with 838 style packing fordrilling service and 1067 style for well service.

Regardless of the packing used, thegland must be engaged by at least

three (3) threads to hold the pump dis-charge pressure. An improperly tight-ened gland could cause personal in-jury, death, and/or equipment dam-age. This can occur either through di-rect contact with the pressurized flowor by contact with objects the fluidstream propels.


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Always install a complete set when renewing packing.Clean stuffing box thoroughly before installing newpacking. Install junk ring in bottom of stuffing box. Oileach ring thoroughly and install one at a time, begin-ning with bottom adaptor ring. Make sure the lips of thepacking face the pressure. Tighten gland bolt as muchas possible.

Be sure that the glands do not back off while the pumpis operating. Lock in place with lock pins.

Do not attempt to adjust packingwhile the pump is in operation toavoid personal injury or death frommoving parts.

LUBRICATOR Packing must be lubricated. A forcefeed lubricator is available as optional equipment tosupply oil to the three stuffing boxes. Lubricator ismounted on a bracket over the frame and is driven bylinkage connected to a crosshead extension. Oil is de-livered to the tapped opening in each stuffing boxthrough copper tubing. Lubricator is equipped with acheck valve at each outlet connection.

Use rock drill oil for normal conditions and steam cylin-der oil for high temperature fluids. Select an oil with theproper pour point for the ambient temperature. Someacceptable oils are listed in the chart on page 30.

Initially set the lubricator to deliver eight (8) to ten (10)drops of oil per minute to each stuffing box. More flowmay be required for large plungers and/or high speeds,pressures or pumped fluid temperatures. Less flowmay be needed for small plungers and/or low speedsor pressures. Flow can be controlled by backing off the

jamb nut that locks each plunger body in position on thelubricator and rotating the plunger body. Rotate theplunger clockwise to increase flow and counter clock-wise to decrease flow. Lock the jamb nuts down againafter making an adjustment. Increase the flow if thepacking starts to heat up.

PISTON LINERS AND LINER CLAMPS When linersare reinstalled or replaced, it is advisable to check cylin-der to frame stud nuts and tighten if necessary. Referto page 32 for proper tightening torques.

Nuts holding liner clamps in place should not be over-tightened as distortion of the liner clamp and liner boremay result. Recommended tightening torque is shownin table on page 32.

Change the size of the pistons and liners as volumeand/or pressure requirements change.

Liners are replaced by removing the liner clamps. Theyshould be cleaned and oiled after removal to protectagainst rusting during storage, so they can be usedagain if they are in usable condition.

Pump liners are to be clean both inside and out wheninstalled. Also clean the liner clamp bore and lightly oilall surfaces.

Use new gaskets when installing liners and be sure toclean all surfaces against which the gaskets fit. Linersor fluid cylinders may be cut by leaking gaskets. If pis-tons are properly maintained there will be little or no cut-ting of the liners.

PISTONS The piston, with piston rods, can be re-moved or installed through the suction valve openingafter the upper valve guide is removed by turning it 90.The valve spring must also be removed.

It is recommended that a piston and rod assembly bekept ready for replacement. This is a practical time sav-er.

PISTON ROD Piston rods are manufactured of highcarbon steel. They are electrolytically plated to protectagainst corrosion. They are provided with a knurledsection so rod can be held while tightening piston nut.It is important that piston rod nut be tightened to recom-mended torque shown on page 32.

Piston rod to piston fit is straight. The piston fits againstthe flange on the piston rod with an O ring gasket to

prevent leakage. Removal of the piston is a simple op-eration since it is not driven on a taper. Keep piston rodto push rod clamps tight at all times to prevent damageto their flanges and pilots. DO NOT use a screwdriveror cold chisel to separate the flanges. Turn the pumpslightly or use a puller screwed onto piston rod threadswhere they extend beyond piston nut.

PISTON WASHING SYSTEM The piston washingsystem is vital to the satisfactory performance and lifeof pistons and liners. The complete system must bekept in good operating condition. Washing fluid should

be maintained in good condition and should be re-placed when contaminated to the point where free cir-culation is impaired. This is of utmost importance andshould be impressed upon all operators of the pump.

Water supply lines should be permanently attached tothe openings provided in the circulating pump suctionlines between the circulating pump and the tank. Wateris then quickly available as a washing fluid or to flushout the lines by operating the proper valves in the pipingsystem.


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The piston washing fluid may be varied according toconditions and operators preference. Water makes asuitable washing fluid under most conditions. Good re-sults can be obtained using water with onehalf gallonof soluble oil per tank of water within the closed system.A light oil gives good results under some conditions,and can be used under severe freezing conditions.

The more fluid circulated, the better; however, it shouldbe regulated by a valve in the discharge line of the cen-trifugal circulating pump to prevent splashing and beingblown about by the wind. Besides making things messyand wasting washing fluid, this could result in danger-ous slipping conditions around the pump when usingany of the oil based solutions.


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SERVICE INSTRUCTIONS

POWER END

Remove hood and crosshead inspection plates for ac-cess to working parts. Before working inside of crank-case, it is necessary to drain the oil. Oil pump mounting

and piping connections are below the oil level.

Mark all parts during dismantling so they can be re-turned to their original position during assembly.

JACKSHAFT It is advisable to remove eccentric andgear assembly before attempting to remove the jack-shaft. Jackshaft bearings will not clear the gears.

9 38

FIGURE 3 JACKSHAFT BEARING DETAIL

RING FOR LOCATINGBALL BEARING ONJACKHAFT

DET. 1 Two Reqd. F.R.O.Matl: Flame Cut 10 Diameter from11/4 H.R.S. PlateStraighten Stress Relieve

73

6

6364

3

116

132

38

R

R

11

8

11

82

DET 2 Four Reqd. 16 x 2 SOC. Head Cap Screen

38

Letter O Drill 2 Deep

Drill to Split2564

3816 TAP 1

1

8Deep

Two Holes

View at R R

5.537 Dia.(Flame Cut to 4 Dia.)

121

2

12 1

2

12

12

1

2

Remove all sheaves or other drive members from thejackshaft. Support each end of shaft during removal.

Remove bearing retainer from inner end of bearinghousing. Remove bearing end plate from each side ofthe pump. Remove bearing housing from one side andpull jackshaft and bearing assembly through this open-ing. Opposite bearing housing need not be removedfrom the frame.

Jackshaft bearings are of the double spherical typewith end thrust in both directions taken on the righthand bearing. Both bearings are identical.

The safest way to remove the bearings from the jack-shaft is by the careful use of heat. Do not overheat tothe point where bearing is discolored.

When replacing jackshaft bearings it is necessary tomake a split disc to clamp on the shaft and against theinner face of the outer bearing race to hold race squarewith axis of bearing. See detail in FIGURE 3.

The jackshaft bearings should be replaced if any of therollers or races show damage or if they are excessivelyworn. A noisy bearing indicates bearing damage, re-quiring replacement. Check clearances by insertingfeeler gauge between the roller and inner race withbearing assembled on the shaft and in the housing.This check can be made with the bearing assembledout of the pump. See recommended running clear-ances on page 31.

FIGURE 4 JACKSHAFT BEARING INSTALLATION


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To mount new bearings, install split disc (FIGURE 3,page 16) on shaft as shown in FIGURE 4, page 16.Heat bearing in oil to about 300F (149C) and slip iton the shaft against the bearing shoulder and split disc.The shaft can then be reinstalled in the frame, followedby the eccentric assembly.

To reassemble the jackshaft in the pump, it is neces-sary to reverse the procedure of removal. The teeth ofthe pinion can mesh in only one direction, therefore, the

jackshaft is not interchangeable end for end in thepump unless the gear and eccentric assembly is alsoreversed. Reversal of the complete gear set is permis-sible after gear or pinion teeth become badly worn.When gear set is reversed it is necessary to install anew oil pump drive pinion to match the opposite spiralmain gear.

Proper direction of rotation of the pump provides thatthe outer ends of gear and pinion teeth lead. Thismeans that when viewing from the hood opening, theouter ends of the gear teeth point upward toward the

jackshaft and the outer ends of the pinion teeth point to-ward the gear. Gears may be reversed, but the direc-tion of rotation of the PUMP MUST NOT BE RE-VERSED. Inner ends of teeth will lead after gear sethas been reversed.

After jackshaft is in place with the pinion in mesh withthe gear, install the bearing housings. The housing isto be started on the bearing and in the bore of the frameand lightly driven in. Be careful to keep dirt from bear-ings during assembly. Be sure the gasket is on thehousing. Long threaded studs may be used to pull thehousing into the frame bore. It is well to work both endsat the same time after they have been well started overthe bearing outer race. This will minimize end thrust onthe gear teeth. Permanently bolt jackshaft bearinghousings and remove the split discs used for position-ing bearings during assembly. When discs are re-moved, install the bearing inner retainer, with capscrews and locking wire, on the right hand side of pumponly.

The outer grease seals are to be placed in the bearingend plates after they are bolted to the bearing housingsand frame. Coat inside of the oil seals liberally withbearing grease. Each outer seal is to be installed withgarter spring to inside, toward bearing. Seal bears on

a replaceable wear sleeve shrunk onto shaft to preventwear under the seal.

CONNECTING RODS The connecting rods are splitand bolted together on shims used principally to absorbnormal factory manufacturing tolerances. If the eccen-tric assembly is to be removed from the frame, the con-necting rods need not be unbolted. In this case thecrosshead pins must be removed. Eccentric and rodassembly will lift out of the frame freely if left hand ec-centric is positioned directly above the shaft.

Whether or not the connecting rods need be removeddepends upon the nature of work being done on thepump.

Connecting rod caps can be removed in case it is de-sired to remove eccentric assembly only in order to re-place main bearings.

The connecting rods are provided with bronze liners

which bear against the eccentric. The liners are preci-sion made in identical halves and are secured byclamps held to the connecting rod and cap by capscrews. They can be replaced by removing connectingrod caps, but without removing connecting rod bodyfrom the pump. Do not intermix the bearing sets fromthe different connecting rods.

The shims between connecting rods and their caps canbe used to adjust liner to eccentric running clearanceto a limited degree. In no instance should an adjust-ment exceeding .006 inches (.152 mm) be attemptedby this means. The condemnable limit for this bearingis so high that replacement of the liners is preferable to

the limited adjustment the shims provide.

The bore in the liner is not round, but a compound boredesigned to give maximum bearing surface. Field shopreboring of the liners is not recommended for this rea-son.

Connecting rods are drilled to conduct oil under pres-sure to crosshead pin bushings. These bushings arebored to size after they are factory assembled. Wheninstalling repair bushings it may be necessary to honeto proper running fit over the crosshead pins as shownin table on page 31.

ECCENTRIC AND BEARING ASSEMBLY

IMPORTANT: Be sure to remove oil pump drive pinionwhen removing or replacing eccentric and gear assem-bly to avoid bending oil pump shaft when gear ismoved.

Eccentric runs on two double row spherical roller bear-ings supported by the stationary main shaft.

To remove the eccentric and gear assembly, removehood, and remove the connecting rod caps. Be surecaps are marked so they can be replaced in their origi-nal position. Keep shims in their original position.

Remove clamps that hold the main, or eccentric shaftto frame. Be sure clamps are identified so they can be

returned to their original position.

Lift the eccentric assembly from the frame. Remove themain bearing retainer plates from each end of the ec-centric and drive the shaft out with a block of wood anda hammer.

Bearings are slip fit on the shaft and a light press fit inthe bearing bore in the eccentric.

Bearings are to be replaced if worn excessively or ifdamaged. A damaged bearing will be noisy. Do not re-


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move protective grease in new bearings. It will notcontaminate the crankcase oil.

When new bearings are to be installed, be sure to re-place the rubber quad ring seals inside the bronze sealretainers pressed into the eccentric bore just inside theeccentric bearings. These seals bear on the shaft andprevent loss of oil pressure to the eccentric cams andconnecting rods.

MAIN GEARS After long wear the main gears can bereversed by changing eccentric and gear assemblyend for end, or by exchanging the gears on the eccen-tric. In either case it is also necessary to change the

jackshaft end for end. When gear set is reversed it isnecessary to install a new oil pump drive pinion tomatch the opposite spiral main gear. It is not possibleto move the oil pump to opposite side of the frame inthis pump.

In a new pump the gears are mounted so the outer endsof the teeth lead. If gears are reversed, the outer endsof the teeth will follow.

Gears are located on the eccentric flange by means ofone cap screw which is larger than the rest. It shouldbe inserted first, and all cap screws tightened evenlyand wired in pairs.

Lower the eccentric assembly, with main shaftinstalled, into the frame after jackshaft has beeninstalled. Secure shaft to frame with saddles. Seetorque table on page 32 for proper tightening of thesaddle stud nuts.

Reassemble connecting rod caps in original position.Be sure original shims are in place. See table on page

32 for tightening of the connecting rod bolt nuts.

Check crankcase for tools or other parts and fill withnew oil before replacing hood.

EXTENSION RODS Extension rods can be removedfrom the crossheads by working through handholeplates in the sides of the frame and also through the oilstop openings after the oil stop head assemblies havebeen removed.

Be careful not to damage the highly polished surface onwhich oil seals bear.

Extension rods are plated and shouldbe protected when the pump is re-painted. Paint on the extension rodswill damage oil stop head seals whenthe pump is operated.

CROSSHEADS AND PINS Crossheads are of onepiece construction without removable shoes. Theybear on slides bored in the frame.

Crossheads are equipped with straight fullfloatingpins secured each end by spring retainers in groovesnear the ends.

The retainer rings can be reached from the main hoodopenings or through the crosshead inspection plateson the sides of the frame. It will be necessary to turn thepump over to locate each crosshead for accessibilitywhile removing the crosshead pins.

Crossheads may be removed by removing oil stopheads, push rods and crosshead pins. Slide the cross-heads through the oil stop bores in the frame and liftthem clear. Be careful to protect the shoe surfaces fromdamage. Also protect the lower slide in the frame byplacing a wooden block beneath the small end of theconnecting rod.

It is necessary to remove one outer crosshead beforethe center one can be reached for removal. Contact thefactory for availability of oversize crossheads.

OIL STOP HEADS Oil stop heads keep crankcase oilwithin the frame. They also keep mud and liner washingwater from entering the crankcase.

Oil stop packing consists of two identical urethaneseals mounted in adaptors. They are not adjustable.

The inner seal lip is pointed inward toward the crank-case to strip oil from the push rod. The outer seal lip

points outward toward the fluid end to strip mud and/orwater from the push rod. Be certain seals are properlylocated.

The seal adaptors, with seals in them, can be slippedoff and on the push rods by removing the clamp holdingeither plungers or piston rods against the extensionrods and separating the two flanges. DO NOT use ascrewdriver or drift to separate the push rod and pistonrod flanges. Turn the pump slightly.

When installing oil stop head sealrings, care must be taken not to dam-age sealing lips. Damaged lips couldlead to excessive oil leakage and/orcrankcase contamination and dam-age.


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It is essential that the oil stop head seals be replacedat the first indication of leakage. Oil leakage will be indi-cated by oil collecting on top of the liner washing waterin the reservoir. If rig water is used for washing, and runto a waste area, it is difficult to check by the abovemethod.

If oil leakage is serious it will show up in a lower oil level

in the crankcase. In this case oil must be added to thecrankcase as required, until a new oil stop seals can beinstalled.

Leakage of mud and water into the crankcase will beindicated by a milky appearance of the crankcase oil.If excessive, the mud can be detected by reachingthrough the oil with the hand, or by draining out a smallquantity of oil.

Mud will also be seen below the oil stop heads on theinside of the crankcase through the crosshead inspec-

tion plate openings.

When mud is found in the crankcase, the oil should bechanged. Drain and clean out the crankcase beforeputting in the new oil. Replace the mud scraper sealsin the oil stop heads before running the pump.

When mud or other foreign material isfound in the crankcase, the oil mustbe changed before operating pump toavoid damage to moving parts.

We recommend the oil stop head seals be changed ev-ery six months of operation, even though leakage is notevident.

Rubber baffles are provided as standard equipment toreduce the amount of abrasive fluid entering the powerend and must be installed on all three extension rods.

Failure to properly reinstall and main-tain baffles voids the warranty as theyare designed to help prevent mud andother contaminants from enteringand damaging the crankcase.

EXTERNAL GEAR REDUCER In addition to themain gears the TGH features an additional externalgear reducer located on the jackshaft input side of thepump. The external gear reducer is a conventionalspur gear, parallel shaft type with a nodular iron case.This feature allows the TGH pump to be driven by alarge number of conventional diesel and electric primemovers with varying output speeds. (A listing of avail-

able gear ratios for the external reducer can be foundin the TGH Parts List Manual.)

The gear reducer is assembled in the following se-quence, with disassembly performed in reverse order.(Also refer to gear reducer exploded view in the TGHPump Parts List.)

The jackshaft to gear reducer hub is heated to 350F(177C) in an oven and positioned on the jackshaft endwith the key engaging both the jackshaft and hubgrooves. The gear reducer output shaft is then boltedto the hub. The gear reducer adaptor is bolted to the

jackshaft bearing housing using a bearing retainer

plate gasket.

The gasket sealer material providedfor the TGH external gear reducer is aliquid gasket compound, GardnerDenver part number 25BC222.

A liquid gasket material is used on the gear reducer toseal its mating surfaces. The liquid gasket compoundis the preferred method to seal the oil retaining surfaceson the gear reducer.

On all surfaces requiring the gasket eliminator com-pound, the sealing areas must must be free of oil, dirtand grease. A sharp blow will free the sealed surfaces.Note, before reassembly, by sure all used gasket elimi-nator has been thoroughly removed, before applying afresh bead prior to assembly.

One half of the gear housing is bolted to the adaptor us-

ing the liquid gasket material.

The gear reducer roller bearing outer races are packedin dry ice and then installed in the gear reducer housinghalves. The bearing inner races are heated in an ovento 230to 250F (110to 121C) and positioned onthe driven gear hub and input shaft diameters. Heatingabove this temperature can damage a bearing. Dam-age has occurred if a bearing race turns blue in colorafter heating, but may also have occurred before thiscolor change.


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Wear sleeves are pressed on both ends of the inputshaft and on the outside diameter of the tubular projec-tion located on the inside surface of the output shaftbearing retainer plate.

The driver and driven gear assemblies are placed in thegear housing inner half, which was previously bolted tothe pump. Use care when engaging the splines on theoutput shaft into the splines on the driven gear. An oilseal is pressed into the outer seal bore of the drivengear.

The outer housing half is mounted to the inner half us-ing dowel pins to insure proper alignment and liquidgasket material to seal the housing mating faces. Theinner input shaft bearing retainer plate is also installedwith the liquid gasket material.

The outer input shaft bearing retainer plate and the out-put shaft bearing retainer plate are installed with shims

to set the bearing end play and do not require the liquidgasket material for sealing. Some of the shims shouldbe used in the initial assembly. After the retainer platesare bolted in place, a feeler gauge is used to check theclearance between the retainer plates and the housing.The clearance at each retainer plate should be addedto the end play listed in Recommended Running Clear-ances, page 31 (.003 to .006 inch or .076 to .152 milli-

meters). The bearing retainer plates are then removedand the proper thickness shim(s) to equal the mea-sured clearance, plus specified end play are added tothe shims already in place. Following this addition, theretainers are installed. Use care when installing theoutput shaft bearing retainer plate to avoid damagingthe oil seal lips.

Press seals into the input shaft bearing retainer platesand attach the lubrication lines per the exploded viewin the TGH Pump Parts List.


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SECTION 4TROUBLE SHOOTING

PROBLEM POSSIBLE CAUSE SUGGESTED ACTION

Pump Overloads Driver. 1. Excessive pump speed 1. Reduce pump speed and/or

and/or discharge pressure. pressure.

2. Blockage or closed 2. Clean or open valve.valve in discharge line.

3. Incorrect plunger size. 3. Install the correctplunger.

4. Improper bypass conditions. 4. See recommended systemlayout, and correct error.

Fluid Not Delivered. 1. Pump not primed. 1. Prime pump.

2. Air or vapor pocket in 2. Remove pocket from line.

suction line.

3. Clogged suction line. 3. Clean out line.

4. Suction and/or discharge 4. Remove prop.valves propped open.

Low Discharge Pressure. 1. Worn or fluid cut valve 1. Replace valve assembly.

assembly.

2. Valve propped open. 2. Remove prop.

3. Pump cavitating. 3. See Cavitation, Fluid Knockor Hammer problem.

4. Fluid leakage. 4. Replace plungers/packingand/or fluid end seals.

5. Erroneous gauge reading. 5. Recalibrate or replacegauge(s).

Low Suction Pressure. 1. Low head (NPSH). 1. Raise fluid supply level.Install charging pump.

2. Insufficient charging pump 2. Increase charging pump

capacity. speed or size.

3. Retarded fluid flow. 3. Remove restrictions fromsuction line.

4. Erroneous gauge reading. 4. Recalibrate or replacegauge(s).

Cavitation, Fluid Knock or Hammer. 1. Improper suction system 1. See recommended systemlayout. layout in manual.

2. Low suction pressure. 2. See Low Suction Pressure

problem.

3. Suction stabilizer and 3. Install suction stabilizerpulsation dampener not used. and pulsation dampener.

4. Defective stabilizer or 4. Repair and recharge or

dampener. replace.


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Cavitation, Fluid Knock or Hammer 5. High fluid temperature or 5. Reduce pump speed per(continued). viscosity. chart in manual.

6. High fluid vapor pressure. 6. Increase NPSH.

7. High acceleration head. 7. Increase supply line size.

Decrease supply line length.

8. Suction valve spring too stiff 8. Use more flexible

with low NPSH. spring.

Remove inner spring fromtwo spring valve.

9. Air/Gas in pumped fluid. 9. Allow more settling timein supply tank.

Reduce pump speed.

10. Air entering suction line. 10. Repair suction line.

11. Air entering charging pump. 11. Tighten or replace shaftpacking or seal.

12. Air entering or charge gas 12. Repair and rechargeescaping from suction stabilizer. stabilizer.

13. Multiple pumps operating in 13. Use a suction stabilizerphase. on each pump. Separate

lines may also be needed.

Suction or Discharge Line Vibration. 1. Line(s) not supported. 1. Install supports or hangers.

2. Pump cavitating. 2. See Cavitation, Fluid Knockor Hammer problem.

High Crankcase Oil Temperature. 1. High ambient temperature. 1. Use an oil heat exchangerwith a circulating pump.

2. Improper type/grade oil used. 2. Use recommended oil.

3. Pump overloaded. 3. Reduce pump speed and/orpressure.

4. Improper clearance in main or 4. Check and adjust clearance.rod bearings, crossheads or Replace parts as required.bushings.

Knock In Power End. 1. Improper main bearing clearance. 1. Check clearances.

2. Incorrect pump rotation. 2. Reverse rotation.

3. Loose plunger coupling. 3. Check and tighten. Replace

if damaged.4. Loose extension rod. 4. Check and tighten. Replace

if damaged.

5. Loose connecting rod cap. 5. Check and tighten. Replace

if damaged.

6. Loose bearing housings/covers. 6. Check and tighten. Replaceif damaged.

7. Worn crosshead pin. 7. Replace.


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Knock In Power End (continued). 8. Worn crosshead pin bushing. 8. Replace.

9. Worn connecting rod liner 9. Replace.bearing eccentric.

10. Worn crankshaft. 10. Replace.

11. Worn crosshead. 11. Replace.

12. Worn main bearing. 12. Replace.

13. Valve noise transmitted to 13. See Excessive Valve Noisepower end. problem.

14. Cavitation noise transmitted to, 14. See Cavitation, Fluid Knock

or causing shock loading in, or Hammer problempower end.

Excessive Valve Noise. 1. Pump cavitation. 1. See Cavitation, Fluid Knockor Hammer problem.

2. Seal on inserted valve 2. Replaced seal or valve.damaged or missing.

3. Broken or weak valve spring(s). 3. Replace spring(s).

Oil Leakage From Stop 1. Worn, damaged or corroded 1. Replace extension rod.

Head. extension rod.

2. Worn oil stop head packing. 2. Replace packing.

3. Oil level too high in 3. Reduce oil level.crankcase.

4. Excessive crosshead wear. 4. Replace crosshead.

5. Pressure in crankcase. 5. Clean or replace air breather.

Oil Seal Leakage. 1. Worn sealing lip. 1. Replace seal.

2. Damaged sealing lip. 2. Replace seal.

3. O.D. not seated. 3. Clean and polish bore ofoil seal housing.

4. Shaft rough at seal lip. 4. Clean and polish shaft orreplace wear sleeve.

5. Pressure in crankcase. 5. Clean or replace air breather.

Stuffing Box Leakage. 1. Short plunger/packing life. 1. See Short Plunger/PackingLife problem.

2. Worn packing rings/metal. 2. Replace packing rings/metal.

3. Gasket leaking at fluid 3. Check gasket, stuffing boxcylinder. groove and cylinder sealing

surface.


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Pumped Fluid In Crankcase. 1. Worn, damaged or corroded 1. Replace extension rod.extension rod.

2. Worn oil stop head packing. 2. Replace packing.

3. Stuffing box leakage. 3. See Stuffing Box Leakageproblem.

4. Extension rod baffles damaged/ 4. Install new baffles.missing.

Short Valve Life. 1. Abrasives in pumped fluid. 1. Filter pumped product.Use severe duty valveswith insert.

2. Valve not

TGH Pump Operating & Service Manual

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Transcript of TGH Pump Operating & Service Manual