OPERATING AND SERVICE MANUAL

GARDNER DENVER

®

HD-2250

WELL SERVICING PUMP

300THD996 Revision A

January 2005

OPERATING AND

SERVICE MANUAL

ECN 1024137

HD 2250

WELL SERVICING PUMP

MAINTAIN PUMP RELIABILITY AND PERFORMANCE WITH

GENUINE GARDNER DENVER

PARTS AND SUPPORT SERVICES

Gardner Denver

® genuine pump parts are manufactured to design tolerances and are developed for optimum dependability. Design and material innovations are the result of years of experience with hundreds of different pump applications. Reliability in materials and quality assurance is incorporated in our genuine replacement parts.

Your authorized Gardner Denver Sales Office offers all the backup you ll need. The Fort Worth

Manufacturing Facility maintains a large inventory of genuine parts.

Gardner Denver supports your needs with these services:

1. Trained parts specialists to assist you in selecting the correct replacement parts.

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

Authorized service technicians are factory trained and skilled in pump maintenance and repair. They are ready to respond and assist you by providing fast, expert maintenance and repair services.

For the location of your local authorized Gardner Denver distributor, refer to the yellow pages of your phone directory or contact:

Factory (Tulsa):

Gardner Denver Well Servicing Pumps

4747 South 83 rd

East Avenue

Tulsa, Oklahoma 74145

Phone: (918) 664-1151

(800) 738-8099

Fax: (918) 664-6225

Service Center (Odessa):

Chaparral

2121 West 44 th

Street

Odessa, Tx 79768

Phone: (432) 366-5433

(800) 368-1134

Fax: (432) 363-9940

Service Center (Ft. Worth):

Geoquip

7533 Kathy Lane

Ft. Worth, Texas 76126

Phone: (817) 249-6400

(800) 824-0271

Fax: (817) 249-6401

INSTRUCTIONS FOR ORDERING REPAIR PARTS

When ordering parts, specify Pump MODEL and SERIAL NUMBER (see nameplate on unit).

The Serial Number is also stamped on top of the cylinder end of the frame (cradle area).

All orders for Parts should be placed with the Tulsa or Ft. Worth facility.

Where NOT specified, quantity of parts required per pump or unit is one (1); where more than one is required per unit, quantity is indicated in parenthesis. SPECIFY EXACTLY THE NUMBER

OF PARTS REQUIRED.

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FOREWORD

Gardner Denver® pumps are the result of advanced engineering and skilled manufacturing. To be assured of receiving maximum service from this pump the owner must exercise care in its operation and maintenance. This book is written to give the operator and maintenance personnel essential information for day-to-day operation, maintenance and adjustment. Careful adherence to these instructions will result in economical operation and minimal downtime.

DANGER

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

WARNING

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

CAUTION

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

NOTICE

Notice is used to notify people of installation, operation or maintenance information which is important but not hazard related.

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TABLE OF CONTENTS

Maintain Pump Reliability and Performance with Genuine Gardner Denver Parts and

Support Services................................................................................................................ i

Instructions For Ordering Repair Parts ...................................................................................... i

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

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

List of Illustrations ...................................................................................................................... v

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

Section 2, Design, Description and Specifications .................................................................... 9

Section 3, Preparation, Operation and Maintenance................................................................. 14

Section 4, Service Procedures .................................................................................................. 20

Section 5, Trouble-Shooting ...................................................................................................... 27

Section 6, Rebuilding Data, Recommended Running Clearances ........................................... 33

Warranty................................................................................................................................

.35

{ TC }

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Charging Pump Requirement .......................14

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

Crankshaft.....................................................11

Crosshead Assembly ....................................11

Daily Routine Maintenance ...........................18

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

DESIGN DESCRIPTION AND

SPECIFICATIONS, SECTION 2.............9

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

Flammable, Hot, cold or Corrosive Fluid

Pumping, Danger Notice.........................5

Fluid Cylinder Installation..............................21

Fluid End .......................................................12

Fluid End Removal........................................20

Fluid End Service ..........................................20

Gear Train .....................................................11

General Requirements and Safety Rules .....20

General Specifications ..................................13

High Pressure Liquid Jetting, Blasting and Cleaning, Danger Notice .................6

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

Introduction .....................................................9

Lube Pump Suction Piping Sizing and..........15

Lube System Pump.......................................15

Monthly Routine Maintenance Schedule ......18

Performance Rating, HD-2250 .....................13

Periodic Routing Maintenance Schedule......18

Plunger/Packing Lubrication .........................16

Plunger Packing Lubrication

Recommendation Chart........................19

Plungers and Packing Replacement.............21

INDEX

Power End .................................................... 10

Power End Internal Lube Sytem .................. 12

Power End Lubrication System .................... 15

Power End Service....................................... 23

Preparation after Shipping and Storage....... 14

PREPARATION, OPERATION AND

MAINTENANCE, SECTION 3 .............. 14

Pressurized Pump Systems, Danger Notice.. 3

Pump Design................................................ 10

Pump Mounting Instructions......................... 14

Quarterly Routine Maintenance Schedule ... 18

Rebuilding Data............................................ 33

REBUILDING DATA, RUNNING

CLEARANCES AND TORQUES,

SECTION 6 .......................................... 33

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

Running Clearances Actual....................... 33

SERVICE PROCEDURES, SECTION 4 ...... 20

Startup and New Pump Run-In Procedure .. 16

Torque Specifications................................... 34

TROUBLE-SHOOTING, SECTION 5........... 27

Valves and Seats Replacement ................... 22

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

Warranty ....................................................... 35

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

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LIST OF ILLUSTRATIONS

Figure # Description Page

Figure 2-1 HD-2250 Pump........................................................................................... 9

Figure 2-2 HD-2250 Power End Section A-A ............................................................. 10

Figure 2-3

Figure 2-4

Figure 3-1

HD-2250 Power End Section B-B ............................................................. 11

Fluid End ................................................................................................... 12

Power End Lubricant Recommendations.................................................. 16

Figure 4-1

Figure 4-2

Figure 4-3

Figure 4-4

Figure 4-5

Fluid End, Stay Rods, and Heavy Hex Nuts ............................................. 21

Packing Assembly ..................................................................................... 21

Valve Cage Spring Retainer...................................................................... 22

Gunsight Spring Retainer .......................................................................... 22

Crosshead Assembly ................................................................................ 24

Page v

SECTION 1

DANGER NOTICES

DANGER

Read and understand the following

DANGER NOTICES before moving or operating the pump or any pump package unit equipment.

Reciprocating pumps are machines capable of producing high fluid pressures and flow rates and are designed to be used with proper care and caution by trained, experienced operators.

TO AVOID

PERSONAL INJURY, DEATH AND/OR

EQUIPMENT DAMAGE, READ AND

THOROUGHLY UNDERSTAND THE

FOLLOWING DANGER NOTICES PLUS

THE ENTIRE OPERATING AND SERVICE

MANUAL BEFORE ATTEMPTING TO

MOVE OR OPERATE THE PUMP. Contact a Gardner Denver service representative if you are unable to comply with any of the danger notices or procedures described in these documents.

Closely examine the pump performance data upon pump delivery to become thoroughly familiar with the operating limits for this pump model. The pump must

never be operated at speeds, pressures or horsepower exceeding the maximum values or at speeds below the minimum.

Failure to observe the operating limits could result in personal injury, death, and/or equipment damage and will void

the warranty. Alterations to the pump, or application of the pump outside the limits, must not be made without Gardner Denver written approval, together with a new set of performance data, as dangerous operating conditions could result.

Keep in mind that full operator attention and alertness are required when operating high pressure pumping equipment. Operators should not begin or continue operations when tired, distracted or under the influence of alcohol or any type of prescription or nonprescription drugs.

The timely replacement of expendable parts and any other worn or damaged parts can prevent equipment damage and possible injury. The original parts used in Gardner

Denver pumps are designed and tested to exacting standards to provide high quality performance and durability. Your best insurance in maintaining these characteristics is to use genuine Gardner

Denver replacement parts.

A broad range of danger notices are covered on these pages, however, they cannot substitute for training, experience and common sense in the safe operation of high pressure pumping equipment.

HAMMER LUG FASTENERS

DANGER

On pumps equipped with hammer lug unions and/or hammer lug valve covers the following precautions must be observed to avoid personal injury, death and/or equipment damage due to contact with the hammer, broken parts from the hammer, lugs or other objects propelled by hammer blows. When tightening or loosening hammer lug unions and valve covers, operators or maintenance personnel should:

Inspect the hammer and hammer lugs to insure they are all in good condition.

Replace any of these parts which are cracked, damaged or badly worn.

Wear safety shoes and safety glasses.

Alert other personnel to move away from the area.

Check to insure they have safe footing.

Fully engage the hammer bar, if one is used, to prevent it from disengaging violently from the cover as a blow is struck.

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Wipe their hands and the hammer handle and maintain a firm grip on the handle to avoid losing control of the hammer while swinging and striking.

Carefully swing the hammer to avoid striking themselves, another person and objects other than the targeted lugs or hammer bar.

Avoid swinging the hammer above shoulder height.

VALVE SEAT PULLING

DANGER

The following precautions must be observed by operators and maintenance personnel to avoid personal injury, death and/or equipment damage from contact with the puller, hammer, wedge or broken parts from these components when using either a hydraulic or wedge valve seat puller.

Operators or maintenance personnel should:

Hydraulic Seat Puller

Wear safety shoes and glasses.

Chain or tie the jack down as it will jump violently when the valve seat disengages from the valve deck.

Check to insure the pressure applied by the hydraulic pump does not exceed the hydraulic ram maximum pressure rating.

Wedge Puller

Grind off any mushroomed material from the wedge before use.

Inspect the hammer and wedge to insure they are in good condition.

Replace any of those parts which are cracked, damaged or badly worn.

Wear safety shoes and goggles.

Check to insure they have safe footing.

Fully engage the wedge to prevent it from disengaging violently from the cover as a blow is struck.

Wipe their hands and the hammer handle and maintain a firm grip on the handle to avoid losing control of the hammer while swinging and striking.

Carefully swing the hammer to avoid striking themselves, another person and objects other than the targeted wedge.

Avoid swinging the hammer above shoulder height.

DANGER

Personal injury, death and /or equipment damage can result from contact with moving parts. All moving parts must be equipped with covers and guards. All covers and guards must be securely positioned at all times when the unit is in operation.

COVER AND GUARDS

Covers and guards are intended to not only protect against personal injury or death, but to also protect the equipment from foreign object damage

EQUIPMENT MOVING AND LIFTING

DANGER

Heavy equipment including pumps, pump packages and components should only be moved or lifted by trained, experienced operators, who are physically and mentally prepared to devote full attention and alertness to the moving and lifting operations. An operator should be fully aware of the use, capability, and condition of

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both the equipment being moved and the equipment being used to move it.

DANGER

Failure to follow safe and proper pump, pump package or component lifting or moving procedures can lead to personal injury, death and /or equipment damage from shifting, falling or other unexpected or uncontrolled equipment movements.

Make sure the hoist, lift truck, ropes, slings, spreader bar or other lifting equipment you are using is in good condition and has a rated lifting capacity equal to or greater than the weight being lifted. Lifting devices must be checked frequently for condition and continued conformance to rated load capacity. They should then be tagged with the rated capacity together with the date of inspection.

Fully assembled pumps and pump packages are heavy and should only be moved using the specified lifting lugs or attachments.

Many individual components have lifting eyes or lugs which must not be used to lift assemblies, as they are designed to bear the weight of the component only.

Before lifting the individual component check to insure the lifting attachment is firmly secured to the component with undamaged, properly torqued fasteners, sound welds, or other secure attachments.

Examine the lifting eyes, lugs, slots, holes or other projections to insure they are not cracked, otherwise damaged or badly worn.

The repair of existing or addition of new welded lifting eyes, lugs or other projections should only be performed by experienced, qualified welders.

Package units should be lifted with spreaders connected to the lifting attachments normally built into the package unit support skid. Packages too large to lift as fully assembled should be separated into smaller loads.

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

When lifting subassembled components, for example a suction stabilizer attached to suction piping or a discharge pulsation damper attached to a strainer cross and piping, use special lifting slings designed to safely support the combined weight of the components.

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

When you start to lift a pump, package unit, subassemblies or individual components and you observe the equipment is tilting, or appears unbalanced, lower the equipment and adjust the lifting device to eliminate these improper lifting conditions before proceeding to move the equipment.

It is poor practice and dangerous to allow the equipment to pass over or close to your body or limbs. Be prepared to move quickly out of danger if equipment starts to fall, slip or move unexpectedly toward you.

PRESSURIZED PUMP SYSTEMS

DANGER

Fluids under high pressure can possess sufficient energy to cause personal injury, death and/or equipment damage either through direct contact with escaping fluid streams or by contact with loose objects the pressurized fluid propels.

Operating a pump against a blocked or restricted discharge line can produce

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excessive pressures in the entire discharge system, which can damage or burst discharge system components.

DANGER

Never operate a pump without a properly sized pressure relief valve or working overpressure shutdown in the discharge line immediately adjacent to the pump discharge.

The relief valve should be placed in the flowing discharge line and not at the opposite end of the discharge manifold in a dead end connection. The dead end may become clogged with solid material carried in the fluid, which could prevent proper relief valve operation.

DANGER

Never place a shut-off valve or any other component between the pump discharge connection and the pressure relief valve.

Make sure the pressure relief valve is installed so any pressurized relief discharge from the valve is directed away from possible contact with people or equipment.

The relief valve must be set to relieve at a pressure equal to or below the maximum pressure values shown on the pump data plate. However, if a component is used in the discharge system with a lower rated pressure capability than that listed on the pump data plate, the pressure relief valve must be set to relieve at a pressure equal to or below the rated capability of the lowest rated component.

Before starting the pump every time, check to insure:

The pressure relief valve is in good operating condition and has been set to the proper relief pressure.

Any pipe line used to direct pressurized relief flow to another location, such as a collecting tank, is not blocked.

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

Check all fluid end discharge system components including pipes, elbows connections, threads, fasteners, hoses, etc., at least once every six months to

confirm their structural adequacy. With time, wear, corrosion and fatigue can reduce the strength of all components. Magnetic iron and steel components should be checked with magnetic particle or dye penetrant crack detection equipment.

Nonmagnetic materials should be checked for cracks with dye penetrants. All metallic components should also be visually checked during these inspections for signs of corrosion. If a component shows evidence of cracking or loss of material due to corrosion it must be replaced with a new part.

Continually monitor suction and discharge hose assemblies when the pump is operating for leakage, kinking, abrasion, corrosion or any other signs of wear or damage.

Worn or damaged hose assemblies

should be replaced immediately. At least every six months examine hose assemblies internally for cut or bulged tube, obstructions and cleanliness. For segment style fittings, be sure that the hose butts up against the nipple shoulder, the band and retaining ring are properly set and 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 layline of the hose to be sure that the assembly is not twisted. Cap the ends of the hose with plastic covers to keep them clean until they are tested or reinstalled on the pump unit.

Following this visual examination, the hose assembly should be hydrostatically tested, on test stands having adequate guards to protect the operator, per the hose manufacturer's proof test procedure.

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Fluid end component inspections should be performed more frequently than every six months if pressures above 2500 psi are used in the discharge system or if corrosive, abrasive, flammable or hot

(over 110º F) fluids are being pumped.

Proper stuffing box packing selection is important for safe pump operation. Contact a Gardner Denver service representative for assistance in selecting the proper packing before beginning operation.

Before starting the pump the first time, and periodically thereafter check the pump, suction and discharge system fastener torques versus the values listed on page 12 to insure proper tightness. Over and under torquing can damage threaded pipes, connections and fasteners, which may lead to component damage and/or failure.

Replace all components found to be damaged or defective. On pumps equipped with stuffing boxes, the gland must be engaged by at least three (3) threads to hold the discharge pressure of the pump.

DANGER

Do not attempt to service, repair or adjust the plunger packing or otherwise work on the pump while the unit is operating. Shut off the pump drive engine and relieve the fluid pressure in the suction and discharge systems before any work or investigation is performed on the pump or pump systems.

Block the crankshaft from turning and make certain that all pump drive motor or engine start switches or starter controls are clearly tagged with warnings not to start the pump while repair work is in process.

Whenever the pump is operating, continually monitor the entire suction, discharge and pump lubricating systems for leaks.

Thoroughly investigate the cause for leakage and do not operate the pump until the cause of the leak has been corrected.

Replace any parts which are found to be damaged or defective. When a gasketed joint is disassembled for any reason, discard the used gasket and replace it with a new, genuine Gardner Denver gasket before reassembling the joint.

Due to the high working pressures contained by the fluid end, discharge manifold and discharge piping, welding on these components is not recommended. If welding on the discharge system cannot be avoided, only experienced, qualified welders should be used. In addition, the welded part should be hydrostatically proof tested in the shop with water or hydraulic fluid to one and one half times maximum discharge system working pressure, with no observable fluid leakage, before the part is reinstalled in the pump system.

In summary, high pressure fluid streams can possess sufficient energy to cause personal injury, death and/or equipment damage.

These results can occur either through direct contact with the fluid stream or by contact with loose objects the fluid stream has propelled, if the pump system is improperly used, or if the fluid is misdirected, or allowed to escape from defective or improperly maintained equipment.

FLAMMABLE, HOT, COLD OR

CORROSIVE FLUID PUMPING

DANGER

Extreme caution must be exercised by trained and experienced operators when flammable, hot, cold or corrosive fluids are being pumped to avoid personal injury, death an/or equipment damage due to explosion, fire, extreme cold or chemical attack.

Never operate a pump which is pumping hydrocarbons or other flammable, hot, cold,

Page 5

or corrosive fluids when any part of the pump, suction system or discharge system is leaking. Stop the pump immediately if any leakage, other than a few drops per minute of packing weepage, is observed. Keep all flame, sparks, or hot objects away from any part of the pump, suction system, or discharge system. Shield the pump, suction system and discharge system to prevent any flammable, hot, cold or corrosive fluid leakage from dripping or spraying on any components, flame, sparks, hot objects or people. Inspect the plungers, packing, gaskets and seals for fluid leakage frequently and replace all worn or leaking parts.

Selection of the proper gaskets, seals and stuffing box packing is even more critical when flammable, hot, cold or corrosive fluids are being pumped than when other, inherently less dangerous fluids are used.

Contact a Gardner Denver service representative for assistance in selecting the proper gaskets, seals and packing before beginning operation.

Since some packing weepage into the cradle area is inevitable, a drain located below the bottom of the cradle must be connected to a drain line which conducts the fluid leakage to a collection container located in a protected area. The entire drain system and container must be constructed of materials resistant to attack from the pumped fluid or from explosion or fire of the pumped fluid. Heavy duty cradle covers

must be securely fastened in the proper position on the pump at all times when the pump is operating. If the pumped fluid releases harmful, explosive or flammable vapors the covers must be vented to conduct the fumes away from the pump unit to a non-hazardous area.

Before beginning pumping operations or starting the pump power source (whether an engine or electric motor) check the atmosphere all around the pumping site for the presence of flammable or explosive vapors. Do not begin operation and stop ongoing operation if flammable or explosive vapors are detected. Hot surfaces, sparks, electric current or engine exhaust could ignite flammable or explosive vapors. Each engine used as a power source on pumping units where flammable or explosive vapors could form should be equipped with an air inlet shut-off. If flammable or explosive vapors are present in the pumping site atmosphere, an engine could continue to run on these vapors even after the engine fuel line is shut-off if an air inlet shut-off is not used.

In addition, on pumping units used where flammable or explosive vapors could form, all electric motors used as power sources must be of explosion proof construction and all electrical components and wiring must meet the current National Electrical Code for explosive atmospheres.

These precautions must be taken to avoid possible personal injury, death and/or equipment damage from explosion, fire or burns.

HIGH PRESSURE LIQUID JETTING,

BLASTING AND CLEANING

DANGER

Extreme caution must be exercised if any type of wand, gun, nozzle or any other pressure and flow directing device is attached to the pump discharge system for use in jetting, blasting, cleaning, etc. This type of equipment must be used by trained, experienced operators with the utmost care. High pressure fluid streams can either by direct contact or by propelling loose objects, cause serious personal injury or death to operators and/or other persons.

Pressure or flow directing devices often receive pressurized flow through flexible hoses, which can burst if they are kinked, cut, abraded or are otherwise worn, damaged or pressured above their rated capacity. Protect the hose and connections from damage by people, objects and vehicles. A broken, cut or otherwise burst

Page 6

hose can release pressurized fluid which may cause personal injury, death and/or equipment damage.

High pressure fluid from hand held or hand directed pressure and flow directing devices may overpower an operator s ability to control or direct the device, which could lead to personal injury, death and/or equipment damage. The operator must brace against the backward thrust of a hand held device.

In addition, a safety harness or safety net must be used when working in an area where the operator could be injured in a fall.

Stand to the side of any tubing or container being sprayed to avoid back spray and never operate a hand held device above shoulder level.

Never direct the pressurized fluid stream at yourself or any other person, control valves, the pump, pump drive, suction or discharge systems. The pressurized stream can cause serious personal injury or death and can also change valve or control settings which could dangerously increase the delivery pressure to the pressure and flow directing device.

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

Check to insure this automatic shut-off equipment is operating properly before every use and never circumvent the automatic shut-off for any reason or by any means when operating the equipment.

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

Full operator attention and alertness are required when operating this equipment to avoid personal injury, death and/or equipment damage. The operators should take frequent rest breaks and cease operations when they become tired or distracted.

Before the equipment is started, the work area must be inspected and properly prepared to avoid personal injury, death, and/or damage to equipment. Make sure the work area is checked for hazardous fumes, has adequate ventilation for engine exhaust and sufficient drainage for released fluid. Check the work area for electrical equipment, connections, outlets, fixtures, or lines. If any are present they must be made water tight and the electrical power to these devices must be shut off to avoid electrical shocks from fluid contact. The work area should be clearly marked and roped off to keep unauthorized people and vehicles from entering. Remove all loose parts, tools and equipment from the work area before beginning operation.

All pressure containing devices including wands, nozzles, guns, hoses, connections, etc., should be regularly checked for condition. These components should all be tagged with their tested pressure capabilities together with the date testing was performed.

Always be aware of the pressure level in the system and never connect any equipment to the system which has a rated or tested pressure capability below the system operating

pressure. The equipment must be shut down and the system pressure released before changing or disconnecting wands, nozzles, guns, hoses, connections or any other pressurized system components.

All pressure containing devices including wands, nozzles, guns, connections, etc., plus all automatic shut-off, pressure and control equipment should be treated with care. Protect them from damage by people, objects and vehicles. Never lay them in dirt, mud, ice or other loose material which could plug the fluid opening or interfere with their operation. Never use the wand, nozzle, gun, etc. to pry loose material off items being cleaned.

Page 7

Before starting operation in a cold environment, check to make sure there is no ice in the fluid system and repeat this inspection each time before operation is restarted.

Before purchasing wands, nozzles, guns, connections, hoses, etc., manufacturers of these components should be contacted for detailed information on the design and safety features incorporated in their products. After careful study of various manufacturers products, we recommend that only those wands, nozzles, guns, connections and hose, etc., be considered for purchase that you judge to offer the highest quality of design, construction and safety, since these components are among the most critical to the safe operation of high pressure liquid jetting, blasting and cleaning equipment.

After you have selected and purchased these components, follow the manufacturer s instructions completely in their use.

In summary, high pressure jetting, blasting and cleaning are inherently dangerous, as the pressures and flow rates needed to remove scale, clean, etc.

are sufficient to cause personal injury, death, and/or equipment damage resulting from, but not limited to, any of the conditions described in the above

Danger Notices.

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SECTION 2

DESIGN, DESCRIPTION AND SPECIFICATIONS

INTRODUCTION

The Gardner Denver HD-2250 is a multipurpose pump for various applications such as oil well servicing, water blasting, industrial use, etc. The pump was designed using modern analytical engineering methods and techniques for stress analysis of structural components, gears, and journal bearings. The gear drive was calculated in accordance with the most recent standards, procedures and computer software developed by American Gear Manufactures

Association. The HD-2250 has a proven track record as a reliable, trouble-free pump.

The Issue of personnel safety is the most important topic covered in this manual.

Therefore, in the beginning of this manual the user is introduced to dangers inherent in the operation of a high pressure pump. To avoid accidents and injuries, all safety rules listed in this section and also all other applicable safety rules and regulations must be carefully observed.

The sections on Pump Design, Description, and Specifications, describe the pump design, list the pump specifications, and present drawings depicting the pump external views and all essential crosssectional drawings.

FIGURE 2-1 HD-2250 PUMP

Page 9

Section 3, "Pump Preparation, Operation, and Maintenance," addresses the issues of preparing the pump for operation after shipping or storage, the lubrication system design and specifications, the new pump run-in procedures, and the periodic routine maintenance schedule. The recommended oils, viscosity data, and crankcase oil temperature requirements are also presented in this section.

PUMP DESIGN

The HD-2250 is a horizontal single acting

2250 horsepower triplex pump. It has an 8 stroke and various plunger sizes from 3.75

diameter through 7.5 diameter. The weight of this pump will vary slightly due to the various accessories, but will not exceed

12,650 pounds. Materials used in the power end have been selected to provide long life, and meet the rigorous demands required for well servicing applications. All sizes of plunger fluid ends are interchangeable on the power end.

POWER END

The power end is available in 6.353:1 gear ratio only. This is a dry sump pump designed for pressure lubrication fed through various hoses and drilled passageways to the main bearings, rod bearings, knuckle joints, etc. Because of the various drive arrangements for powering these pumps, the lubrication pump itself is not built-in. It must be sized and mounted to suit each particular application.

NOTICE

The direction of rotation must be such that the top side of the crankshaft is moving toward the fluid end.

FIGURE 2-2 - HD-2250 POWER END CROSS SECTION

Page 10

CROSSHEAD ASSEMBLY

The crosshead assembly features a one piece, high strength connecting rod. This connecting rod is a much more durable design than the old multiple piece connecting rods commonly used by other companies. This one piece design was first developed by Gardner Denver. It features a hardened and ground thrust area for extended wear capabilities.

Oil is fed under pressure to the knuckle bearing through drilled passageways to further extend the durability of this assembly. The knuckle bearing features lubrication grooves designed to feed oil to all the wearing surfaces. It is made of a high grade bearing material, with a babbit coating for improved break-in characteristics.

The wrist pin which is made of heat treated, ground, high strength alloy steel, serves only to return the crosshead assembly. It bears none of the thrust load generated at maximum pressure operation.

Page 11

GEAR TRAIN

The gear train features precision ground, heat treated, helical cut gears on each end of the crankshaft. They are driven by gears integrally machined into the alloy steel pinion shaft. These gears are precision timed to each other which eliminates time consuming, inexact, manual timing of these gears.

CRANKSHAFT

The crankshaft is made of high strength alloy steel that has been precision machined and heat treated for fatigue resistance and long wear. It has been drilled with lubrication passageways to provide oil for all the connecting rod journal bearings as well as the crosshead assembly.

POWER END INTERNAL LUBE SYSTEM

(FIGURE 2-2, page 10, and FIGURE 2-3, page 11)

There is a single inlet for the lube oil, coming from the lube oil pump. After entering the inlet, the lube oil flow is divided into two lines:

1. Through external hoses and rotating unions the lubrication oil enters the crankshaft where it is distributed to the connecting rod journal bearings and the knuckle bearing and wrist pin bearings.

2.

Through the lubrication manifold, oil is distributed to the main bearings and the outside of the crosshead.

There is one drain hole on the bottom of the power frame. User plumbing will direct drain oil flow back into the lube sump.

FLUID END (FIGURE 2-4)

The conventional valve over valve configuration offers field proven valve and spring performance. Improvements in the fluid end life come from:

1. New sophisticated methods of metallurgical control which enable us to obtain steel with very consistent chemical components and mechanical properties. This results in extended cylinder life.

2. Internal edges and corners are hand radiused, blended and polished for improved resistance to fatigue cracking.

3. Extreme pressure autofrettage for long cylinder life and resistance to cracking at the bore intersection areas.

FLUID END (FIGURE 2-4)

Page 12

GENERAL SPECIFICATIONS

This section presents the pump basic specifications (U.S. & Metric). The first set of specifications deals with the pump's power, rod load, plunger stroke, and overall dimensions. Two other tables present allowable pressures and flows for various plunger sizes and pump RPM s along with data on power requirements.

HD-2250 PUMP SPECIFICATIONS (U.S. SYSTEMS)

Rated Hydraulic Horsepower

Stroke Length

Maximum rod Load

Gear Ratio

Overall Length

Overall Width

Overall Height

Weight (system dry)

2250 hp

8.0 Inches

237,500 Pounds

6.353:1

90 inches

66 inches

51 inches

12,650 Pounds

HD-2250 PERFORMANCE RATING U.S.

Plunger

Size

(Inches)

7.5

7.0

6.75

6.50

6.00

5.75

5.50

5.0

4.50

Gallons

Per

Rev.

4.59

4.00

3.72

3.45

2.94

2.70

2.47

2.04

1.65

4.00

3.75

1.31

1.15

Brake Horsepower*

100 RPM

GPM

459

400

372

345

294

270

247

204

165

130

115

PSI

5379

6174

6640

7161

8404

9151

10002

12102

14941

18909

21515

1600

150 RPM

GPM

688

599

557

517

440

404

370

306

248

196

172

11348

14010

17732

20175

2250

PSI

5044

5790

6227

6715

7881

8581

9379

200 RPM

GPM

918

799

743

689

587

539

493

408

330

261

229

13299

15131

2250

PSI

3783

4343

4670

5036

5911

6436

7034

8511

10508

* Based on 90% Mechanical Efficiency and 100% Volumetric Efficiency.

330 RPM

GPM

1514

1319

1226

1137

969

890

814

673

545

431

378

2250

8060

9170

PSI

2293

2632

2830

3052

3582

3900

4263

5158

6368

Page

13

SECTION 3

PREPARATION, OPERATION AND MAINTENANCE

DANGER

Read and understand clearly all safety rules and precautions before attempting to operate the pump.

This section deals with pump preparation after shipping and storage of the pump, user built lubrication system and its specifications, pump break in procedures, recommended oils, allowable crankcase operating temperatures, viscosity conversion tables, and routine maintenance schedule.

PREPARATION AFTER SHIPPING AND

STORAGE

All pumps are shipped dry and therefore must be flushed with light weight oil before operating. The flushing must be performed regardless of method or duration of the shipment or type of container the pump was shipped in.

Pumps are not prepared for storage and should be put in service as soon as possible.

If for any reason the pump has to be put into storage after prior use, the following procedure should be followed:

1.

Clean and flush the fluid end with a rust preventative.

2.

Plug all discharge and suction openings.

3.

Drain oil from the power end and the gear reduction unit.

4. Flush the power end with a rust preventative (before flushing make sure that the rust preventative will not clog the oil passages).

5. Remove the breather and either plug or tape the opening.

6.

Coat the gear reducer input shaft and all exposed bare metal with a heavy rust preventive.

7.

Plug drain holes at the bottom of the pump frame, at the rear of the pump, and the gear reducer drain.

8.

Plug the lube inlet in the lube manifold.

9.

Store the pump inside in a warm dry place.

10. If the pump is shipped ocean cargo, it must be crated in a water-tight container placed below the deck to prevent rusting and salt water contamination.

PUMP MOUNTING INSTRUCTIONS

Because of the lightweight, low stiffness nature of these pumps, it is easy to twist or distort the frame during installations.

Therefore, it is necessary to follow this procedure to shim the feet of these pumps.

This requires (4) grade 8, 1.00 diameter cap screws of the appropriate length, lockwashers, nuts, if required, and shims if required.

1.

Set the pump in its location.

2.

Using a feeler gauge, check under the feet at all four boltdown locations.

3.

Select the proper number and thickness of shims to fill the gap under the high foot. Note it is better to use shims up to .005 too thick than to leave any gap under the foot.

4. With shims in place, install bolts in all four locations.

CHARGING PUMP REQUIREMENT

A centrifugal pump will be required to prime the fluid end suction. The centrifugal pump should be sized to generate a minimum of

50 PSI at maximum flow. Increased pressure is required for pumping higher volumes, heavy sand concentrations, and

Page

14

other special fluids and propping agents. To reduce shock and cavitation, which can cause severe damage, a suction dampener should be used.

POWER END LUBRICATION SYSTEM

Due to variety of applications and drive arrangements, the power end lubrication pump and applicable auxiliary hydraulic equipment are not furnished with the triplex pump. Therefore, the pump lubrication system is designed and built by individual customers for each particular application.

The lubrication system is very critical to the triplex pump performance and therefore should be professionally designed in accordance with sound engineering practices developed for similar systems, known otherwise as hydraulic power units or

HPU. The following discussion will reemphasize some of the good practices used in designing similar systems in the past and comment on the system s critical components.

Lube System Pump

A positive displacement pump must be used. Gear type pumps have demonstrated reliable performance for similar applications in the past. The pump should have the largest suction port available for the selected pump size to minimize losses in the suction piping.

Lube Pump Suction Piping Sizing and

Requirements

In the past, failure to meet these requirements has lead to pump damage because of restricted oil flow in the lube pump inlet. Therefore, the following guidelines, developed as a result of long experience, should be adhered to closely.

1.

The oil flow velocity through the suction piping should not exceed 2 ft/sec or 0.6 m/sec.

2.

At maximum operating speed the vacuum reading at the lube pump inlet must be no more than 8" hg or 4 psi or

0.28 bar.

3.

The suction strainer should be sized for oil flow three (3) times larger than the actual flow passing through the strainer.

4. The suction pipe should be kept as short as possible and free of bends.

5. Warning devices to monitor lube oil pressure and temperatures are highly recommended. The triplex pump operates at very high rod loads and pressures, and malfunction of the lube system may result in serious damage occurring in a very short time.

Therefore, early warning devices are essential to successful operation and should be set according to the following operating limits:

NOTICE

Maximum lube system pressure should be set at 125 psi max.

(relief valve setting.)

Minimum lube oil operating pressure is 40 psi. (With hot oil).

Minimum lube pump flow is 30 gpm. Approximate lube pump design flow should be 40 gpm, with relief valve controlling flow.

Maximum lube system vacuum at lube pump inlet 8 Hg or 4 psi or

0.28 bar.

FIGURE 3-1 Indicates API-GL5 oil grades recommended for use in the pump power end and the speed reducer lube system, crankcase operating temperature ranges, and minimum startup temperatures for each listed grade of oil for various ambient temperature ranges.

Page

15

FIGURE 3-1 Lubricant Recommendations

PLUNGER / PACKING LUBRICATION

The fluid end plungers are lubricated from a separate lubrication pump through the stuffing box. The lubrication pump, hosing, and check valve to the stuffing box is not provided with the unit.

See "Plunger Packing Lubrication

Recommendation Chart," page 19, for a list of lubricants recommended for plunger

/packing lubrication.

STARTUP AND NEW PUMP RUN-IN

PROCEDURES

A centrifugal charge pump will be required to charge the fluid end suction manifold.

The charge pump should be sized according to the volume to be pumped by the triplex pump so that there is no less than 50 psi charge when the triplex pump operates at its maximum flow.

The first startup is performed at the factory during the acceptance tests as a part of quality assurance procedure. However, the new pump break-in period process may continue for the first 80-100 hours of our operation, and therefore it will be each user s responsibility to perform all the tasks related to this critical period. As all moving parts of the pump go through a wearing-in process, steel and bronze wear particles are carried by the oil flow in the lubrication system. The resulting contamination of the lubrication system with the wear particles and especially clogging of the strainer and the oil filter can cause serious problems. To assist the user, the following guidelines are presented for the maintenance personnel to follow during the critical startup and break-in period:

1. Fill the lube oil reservoir with the recommended grade of oil. See

FIGURE 3-1 above for Lubricant

Recommendations.

Page

16

2. Fill the plunger reservoir with proper oil. See Plunger/Packing Lubrication

Recommendations on Page 19.

3. Remove all inspection covers on the top of the pump frame.

4. Start the engine at the lowest possible RPM and triplex pump at zero (0) pressure. Make sure that all roller bearings, crossheads, knuckle joints, and crankshaft bearings have proper lubrication.

5. Increase the engine RPM to maximum operating speed and check whether the vacuum reading at the lube pump suction inlet is less the 8

Hg or 4 psi or 0.28 bar.

6. Check whether the lube system pressure reading is at least 100 psi or

7.0 bar. Temporary pressure gages should be also checked at this time to make sure that all components of the lube system are working properly.

7. Check to see that oil flow back to the reservoir is normal. (There should be no accumulation in the power end.)

8. Start the plunger lube system and check whether it is adjusted properly.

9. Run at low speed to work out any trapped air in the fluid cylinder with the charge pump operating.

10. Run the pump at 80-90 strokes per minute and 20% of its maximum pressure rating for 30 minutes. Se

Power End Internal Lube System, page 12.

11. During this time observe the suction vacuum gage reading, oil pressure and temperature and check for leaks.

12. Run the pump at 80-90 strokes per minute at the following loads:

40% of full rated load

60% of full rated load

80% of full rated load

100% of full rated load

30 min

30 min

30 min

30 min

13. During the operation, observe the oil pressure and temperature, and inlet suction vacuum gage reading, and entire system for proper operation.

14. If the triplex pump is equipped with a transmission, run the pump for 30 minutes in each gear in the higher gear ranges pulling full horsepower in each gear. Observe the oil pressures, temperatures, and lube oil suction vacuum closely.

15. Shut the pump down and let it cool thoroughly before starting normal operation of the pump.

16. During the shutdown, change the oil filter elements and clean the suction strainer.

17. Change the lube oil and clean the reservoir to get rid of metal particles and any other wear products now present in lube oil system.

18. Change filter elements and clean the strainer every 10-15 hours until it becomes apparent that the wear-in process is finished.

19. Change the lube oil again, replace the filter elements, and clean the strainer after 80-100 hours of pump operation.

20. Follow the routine maintenance schedule described in the next chapter after completion of the wearin period.

Page 17

PERIODIC ROUTINE MAINTENACE

SCHEDULE

Performance of the periodic routine maintenance tasks, described in this section, will ensure long, economical, and trouble free operation of this pump. It is highly recommended that the customer set up a maintenance program during the run-in period. The periodic maintenance data should be recorded and kept with other pump documents. The following recommendations, based on previous experience, should serve as a guideline for establishing a good maintenance program.

The periodic maintenance schedule is divided into daily, monthly, and quarterly tasks to be performed by the user after the pump has gone through 100 hours of wearin. For the tasks performed during the wearin period, see "Startup and New Pump Run-

In Procedure," page 16.

Daily Routine Maintenance Tasks

1. Check the oil level in the lube oil reservoir.

2. Periodically monitor lube oil operating pressure and temperature. The maximum oil operting temperature depends on a particular grade of oil used in the pump lube system. (See

FIGURE 3-1, Page 16).

3.

Check the lube pump suction inlet vacuum. A vacuum gage reading higher than 8" Hg or 4 psi or 0.28 bar indicates that the suction strainer and/or oil filter element are clogged.

The strainer must be cleaned, and the oil filter element replaced as necessary as soon as the pump can be shut down for a short period of time to perform these tasks.

4.

Listen for any abnormal noise or rough operation, which may indicate the need for fluid end maintenance such as changing valves or valve seats. Due to very high pressures in the triplex pump fluid end, worn valves and seats should be changed as soon as possible to prevent washing them out with the pumped fluid.

5.

Check the plunger/packing lubrication pump for proper operation. Insure packing nut is tightened sufficiently into fluid cylinder. Recheck tightness after extended continuous operation.

Monthly (100 hour) Routine Maintenance

Tasks

1. Clean the strainer and replace the oil filter element.

2. Check the entire lube system for leaks and eliminate them.

3.

Check all fluid end expendables such as valves, packings, and valve seats and replace them as necessary.

4.

Check the power end plunger seals and replace them as necessary.

Quarterly (300 hour) Routine

Maintenance Tasks

1. Change the lube oil and clean the oil reservoir thoroughly.

2. Clean the lube system strainer and replace the oil filter elements.

3. Re-tighten the critical bolt joints following torque specifications given in

Section 6.

4. Add grease to any exposed bare metal to prevent corrosion.

5. Clean or replace the breather cap filter element.

6. Check all pressure, temperature, and vacuum gages for proper operation and replace as necessary.

7. Check all lube system warning and alarm devices for proper operation and replace if found defective.

8. Check supply of on hand expendables such as packings, valves and seats, maintenance items such as seals, Orings, oil and breather filter elements, and also maintenance tools. Order to replenish supplies as necessary.

The periodic maintenance procedures are very simple and can be performed in a short period of time.

Page 18

Source

Amoco

Arco

Chevron Oil U.S.A.

Conoco

Gulf Oil (Chevron)

Exxon

Mobil Oil Co.

Pacer Oil

Phillips Petroleum

Shell Oil Co.

Sun Oil Co.

Texaco Oil Co.

PLUNGER PACKING

LUBRICATION RECOMMENDATION CHART

ROCK DRILL LUBRICANTS - NORMAL CONDITIONS

Type Pour Point Maximum

Amoco Rock Drill Oil - Light

Amoco Rock Drill Oil - Medium

Air Drill #147

Arco Trueslide #150

Vistac #68X

Vistac #100X

Vistac #150X

EP Rockdrill #49, #17, #78

Rockdrill #100

Rockdrill #32

Arox EP #46

Arox #150

Almo #525

Almo #527

Almo #529

Almo #532

Rockdrill #150

Rockdrill #600

EP #500 (Summer) or EP #300 (Winter)

Torcula Oil #32

Torcula Oil #100

Torcula Oil #150

Torcula Oil #320

Rockdrill 500 (Light)

Rockdrill 1000 (Heavy)

Rockdrill Oil XL

Rockdrill Oil XM

Rockdrill Oil XH

Marok 150

0 F

-10 F

-50 F

-20 F

-15 F

-10 F

5 F

5 F

-40 F

0 F

-10 F

------

-35 F

-20 F

-35 F

-20 F

-20 F

-10 F

0 F

-10 F

-20 F

0 F

0 F

15 F

10 F

5 F

0 F

5 F

-30 F

Union Oil of Ca.

STEAM CYLINDER OILS - HIGH TEMPERATURE PUMPED FLUIDS

Source Type

Amoco

Arco

Conoco

Exxon

Gulf Oil (Chevron)

Mobil Oil Co.

Pacer Oil

Phillips Petroleum

Shell Oil Co.

Sun Oil Co.

Texaco Oil Co.

Amoco Cylinder Oil 460

Modco Cylinder Oil 125, 175

Inca Cylinder Oil

Cylesstic TK-460 or TK-1000

Senate #375 Compound

Security #460 Non-Compound

Mobil Cylinder Oil 600W

Com-Cyl Oil

Hector Cylinder Oil

Valvata J-460

Occident

Gear Oil 7-X, Gear Oil 8-C

Pinnacle Cylinder Oil

Page 19

SECTION 4

SERVICE PROCEDURES

This section describes various assembly and disassembly procedures necessary for pump servicing or parts replacement. The

General Requirements and Safety Rules section is a reminder for the maintenance personnel of the critical importance of safety rules and precautions while working on the pump. Notes on dangers and notices specifically related to service procedures are repeated and placed in this section also.

The pump consists of two major modules:

(1) the fluid end and (2) the combination power end and gear reduction unit. (See

Section 3) The description of service procedures follows the modular concept.

Due to many expendable parts, fluid end servicing is rather common in the field and is therefore presented in the very beginning followed by power end and gear reduction unit servicing procedures.

General Requirements and Safety Rules

DANGER

Before any attempt to work on pumps is made, all safety rules and precautions described in this manual must be read and clearly understood.

DANGER

Only qualified and specially trained personnel should be allowed to work on this pump.

DANGER

Proper capacity hoist and lifting devices should be used while working on pump.

FLUID END SERVICE

This discussion starts with the description of steps necessary for removal and installation of the fluid cylinder assembly and proceeds to the removal and replacement of expendable parts such as valves, valve seats, and packing.

Fluid End Removal

1.

Disconnect suction and discharge lines, plunger oiler lines, and also any accessories such as stroke counters, pressure gages, etc. from the fluid cylinder.

2.

Open the hinged cradle cover on the top of the crosshead housing, if equipped, and disconnect the plungers from the pony rods by removing the pony rod clamps.

3. Slide the plungers into the fluid cylinder as far as possible.

4.

Connect a hoist to the fluid end and tighten the lines until they are snug only. Make sure that hoisting slings are not too tight, because that may cause a strain on the fluid end and cause injury or damage when removing from the pump frame.

5.

Remove the twelve (12) 1-3/4 tie rod nuts from the fluid end flange using a hydraulic tensioning tool or hammer wrench. (A hydraulic or manual torque wrench is recommended for proper reinstallation).

6.

Pull the fluid end assembly horizontally forward, straight away from the power end until it is completely clear of the tie rods.

7.

Move the fluid end to the service area for changing valves or other service.

Page 20

NOTICE

The procedure for fluid cylinder installation is presented separately due to the special and critical nature of the connection between the power end and the fluid end.

Fluid Cylinder Installation

1. Check all twelve stay rods for thread damage or cracks. If replacement is required, refer to the torque specifications on page 34. This connection is critical.

2. Thoroughly clean the ends of the stay rods. Apply grease or never-seize to the threads.

3. Positions the fluid end on the stay rods and slide the fluid end onto the stay rods until it bottoms out on the stay-rod shoulders.

4. Install the two outer-most Heavy Hex.

Nuts and hand tighten. Now it is safe to remove the lift and sling. Install and hand tighten the remaining heavy hex nuts.

5. Using a hydraulic tensioning tool or torque wrench, torque all hex nuts to the torque specifications shown on page 34.

Use a Cylinder-Head sequence. These nuts must be kept tight. Under-torqued nuts will lead to thread fatigue failure of the stay-rods.

6. Re-install the plunger clamps, piping connections and auxiliary equipment.

Plunger and Packing Replacement

This service procedure can be performed with the fluid cylinder in place on the pump, and consists of the following steps:

1. Remove the suction cover retainer nut with the appropriate male hex wrench.

2.

Remove the suction cover with a threaded slide hammer type puller.

3.

If equipped, open the hinged cover on the top of the crosshead housing to get access to the plunger/extension rod area.

4.

Remove both cap screws holding the extension rod clamp, then remove clamp.

5.

Loosen the packing nut to free the plunger from packing pressure.

6.

Remove the plunger through the suction cover opening.

7. Remove the packing nut, packing, and spacers.

8.

Inspect the plunger, the packing, the rod wiper, and the packing nut for excessive wear, nicks, burrs, or any other defects. Replace expendable parts as necessary.

9. Clean and grease the packing bore in the fluid end.

10. Install the packing in the packing bore with the packing lips toward the front of the fluid end. See FIGURE 4-2.

FIGURE 4-1 HD-2250 Fluid End, Stay Rods and Hvy. Hex. Nuts.

Page 21

FIGURE 4-2 Packing Assembly

11. Install and hand tighten the packing nut to align the packing in the borehole.

12. Loosen the packing nut to allow for installation of the plunger.

13. Insert the plunger through the suction cover hole into the packing. It may be necessary to bump the plunger through the packing with a slide hammer.

14. Tighten the packing nut.

15. Inspect the clamp surfaces of the plunger, and the extension rod for cleanliness.

16. Install the clamp and tighten the clamp screws to the specified torque on page

34.

17. Tighten the packing nut again.

18. Replace the O-ring and back-up rings on the suction cover and apply grease or O-ring lube.

19. Install the suction cover and tighten the suction cover retainer nut.

20. Make sure that the plunger lube line is in place before restarting the pump.

Valve and Seats Replacement

This procedure can be performed with the fluid cylinder on the pump. Before starting, make sure that special tools required for this procedure are available. For part number of the tools see Parts Manual.

WARNING

Never try to remove or cut a valve seat with a torch. Severe damage to the fluid end may occur.

1. Remove the discharge cover retainer nut with the proper hex wrench.

2. Remove the discharge cover with a slide hammer type puller.

3. Remove the suction cover retainer nut with the proper hex wrench.

4. Remove the suction cover with a slide hammer type puller.

5. Remove the suction valve spring retainer. The suction valve spring and valve can now be removed by hand.

FIGURE 4-3: Valve Cage Spring Retainer

FIGURE 4-4: Gunsight Spring Retainer

6. Remove the suction valve seat or discharge valve seat with a seat puller and a seat puller jack. These tools are available from Gardner Denver.

7. Clean the valve seat deck thoroughly.

8. Snap the replacement valve seat into the taper by hand to fit tightly.

9. Place the winged valve on the top of the valve seat.

Page 22

10. Bump the seat into the taper 2-3 times with a heavy bar to make the fit tight.

11. Reinstall the valve spring and suction valve spring retainer.

12. Reinstall the suction valve cover and retainer nut.

13. Reinstall the discharge valve, spring, cover, and retainer nut.

14. Run the pump at 80% to 100% of the maximum discharge pressure until the seats pop into the fluid end tapered holes. (Listen for 6 distinct loud pops )

POWER END SERVICE

DANGER

Before attempting to service the power end of the pump, the following safety precautions must be observed:

1. Shift the pump transmission into the neutral gear.

2. Shut off the pump engine and remove the key from the ignition to prevent starting the engine inadvertently.

The power end service procedures deal first with major assemblies, namely crosshead, connecting rod, crankshaft, knuckle joints and gear and pinion sets and then describe how to access all individual parts.

Oil Stop Head Seal Retainer and Gear

Covers (FIGURE 2-2 and FIGURE 2-3)

1. Remove any plunger / cradle-chamber covers or guards.

2. Disconnect the input drive-line and remove the input drive flange from the pinion shaft.

3. Remove the plunger clamps and slide the plungers forward.

4. Remove the Oil Stop Head retainer cap screws and remove the Head.

5. Remove roto-seals and oil hoses from gear covers.

6.

Remove input seal housing from lefthand cover.

7.

Remove the cap screws in gear covers.

Covers can now be removed.

Crosshead Assembly (FIGURE 4-4)

1. Remove the fluid end following the procedure described in "Fluid End

Removal and Installation, page 20.

2.

Remove the oil stop head seal retainer and off-drive gear cover following the procedure described in Oil Stop Head

Seal Retainer and Gear Covers , page

23.

3.

Remove the rear inspection cover from power frame. (inspect the gaskets)

4. Rotate crankshaft until rod bearing

housing is in highest position. Using socket and impact wrench or special conn-rod wrench, remove bottom 3 lock-nuts.

5. Remove three nuts on top of conn-rod.

6. Screw ¾ -10 all-thread into conn-rod bearing housing as a handle.

7. While another person is moving the ¾ all-thread in an up and down motion, pull the crosshead assembly forward, out of the front of the pump.

8. Remove the Pony Rod from the crosshead assembly by using a spanner wrench to rotate the rod counterclockwise.

9. To remove the wrist pin, remove one of the wrist-pin snap rings.

10. Remove the wrist pin through the side of the crosshead. The crosshead may now be removed from the conn rod.

Page 23

FIGURE 4-5 Crosshead Assembly

11. Remove the fasteners from the crosshead thrust-bearing retainer.

Remove the retainer to access the thrust bearing.

12. Examine the thrust bearing and the mating surface of the connecting rod.

These must be free from nicks, burrs, and wear before they can be reused.

Conn-Rod Bearing Housings

1. To remove the conn-rod bearing housing, remove the four (4) cap screws retaining the bearing cap.

2. Remove the cap, noting that two dowel pins PILOT the halves together. Do not damage dowel pins. CAUTION:

Both halves are heavy. Cap-half of bearing has locator pins.

3. Remove half-bearing with prying action.

4. Rod-half of bearing may be tapped on one edge with a rubber hammer or wooden handle to remove.

5. Cap and Rod-half must stay together as a unit for re-assembly. Reassembled unit must be free to move on crankshaft.

Crosshead Guide and Stay Rods

1.

The crosshead guides or slide should be replaced if excessively worn or damaged. (See CLEARANCES pg. 33)

2. If the crosshead guides must be replaced, it is recommended that it be done either by Gardner Denver or a qualified machine shop.

3. The stay rods are threaded into the power frame. They can be easily replaced by unscrewing and re-torquing new rods. (See Torque on pg. 34)

4. Check all stay rods for proper torque, plus check for broken or cracked threads.

5. The stay rods need to be torqued to the values shown on page 34 when they are installed in the power end.

Gear Reduction Unit

NOTICE

This assembly is a timed gear set, and should be changed as a gear set.

Proper timing can be done through the use of offset keys.

1.

3.

5.

Disconnect the input pinion shaft from the transmission or drive shaft.

2.

Disconnect the gear cover lube hoses and remove the roto-seals from the crankshaft.

Remove the input drive flange from the pinion shaft.

4.

Remove the input pinion seal and pinion-seal housing from the gear cover.

Remove the cap screws retaining the gear covers and remove the covers.

Page 24

6. Cut the safety wire (if used) and remove the four (4) screws.

7. Remove the set screws on the square keys, pull keys with a puller.

8. Connect a sling and overhead hoist to one gear. Pull gear off and lay on side for safekeeping. Remove second gear.

9. Remove capscrews retaining pinion bearing housings. Using jack-screw holes, remove one bearing housing.

10. Pinion and other housing may now be removed with the aid of a lift.

Crankshaft Assembly

1.

Remove the pump from the trailer and move it to a service area. (The pump service area must have overhead-lift capability.) Power end must be level.

2.

Remove the fluid end as described in

"Fluid End Removal and Installation," page 20.

3.

Remove the oil stop head seal retainer and gear covers as described in Oil

Stop Head Seal Retainer and Gear

Covers, page 23.

4.

Remove the crosshead assemblies as described in Crosshead Assembly, page 23.

5. Remove the connecting rods as described in Crosshead Assembly.

6.

Remove the bull gears as described in

Gear Reduction Unit, on page 24.

7.

For best results, a special crankshaft handling tool should be fabricated to fit one of the 7.000 dia. Crankshaft bosses. This L shaped lifting tool should come up and over the top of the pump, out to the centerline for easy, balanced lifting of the crankshaft. This tool must be capable of lifting the crankshaft in a horizontal position.

8. The crankshaft is now free to move.

9. Install the special crankshaft lifting tool, and balance the crank with an overhead lift.

10. Thread the crankshaft through the bearing races until all of the bearings are free.

11. Carefully place the crankshaft on a clean piece of cardboard, clean plywood, or clean rug. Cover the crankshaft and bearings with plastic to prevent contamination of the bearings.

12. If the bearings are to be replaced remove the outer race from the frame by removing the lock and retainer rings.

13. If the crankshaft main-bearings are to be replaced, all bearing retainers must be removed from the crankshaft. The crankshaft should be held in a vertical position, and the bearings rapidly heated and allowed to drop off to the floor.

Crankshaft Replacement

1. Before installing the crankshaft, check to be sure that all oil passages are clear.

2. Install the main bearing inner race assembly and retainer rings, starting from the center mains outward.

3. The main bearing inner race assembly is readily installed by utilizing a hot oil bath.

4. Retainer rings must be brazed at their ends in order to make secure in groove.

NOTICE

Avoid brazing the ring to the crankshaft.

Page 25

5. Install the outer races and retainer rings in the power frame. A light uniform pressure is required to install the race. The retainer rings are secured in grooves by installing locks.

6. The crankshaft can be installed through either end of the power end.

7. Reverse steps 1 through 7 above to complete installation.

WARNING

Do not drive against rollers or bearing cage. Drive only against the bearing race, as severe damage to the bearings could occur.

WARNING

When reassembling the crankshaft assembly, make sure to follow these steps:

1. Pack the outer races in dry ice before assembling in the frame.

2. Heat the inner bearing races before installing on crankshaft. (250 F max. oven or oil bath).

3. Braze the retaining rings on the crankshaft. Avoid direct contact with the inner race or the crankshaft.

4. Reinstall the safety wire and/or

Loctite the bolts holding the bullgears to the crankshaft.

Failure to follow these directions may result in serious damage to the pump.

Page 26

SECTION 5

TROUBLE-SHOOTING

PROBLEM POSSIBLE CAUSE SUGGESTED ACTION

Pump Overloads Driver.

1. Excessive pump speed

and/or discharge pressure.

2. Blockage or closed

valve in discharge line.

3. Incorrect plunger size.

1. Reduce pump speed and/or

pressure.

2. Clean or open valve.

3. Install the correct

plunger.

4. Improper bypass conditions.

4. See recommended system

layout, and correct error.

Fluid Not Delivered.

1. Pump not primed.

2. Air or vapor pocket in

suction line.

3. Clogged suction line.

4. Suction and/or discharge

valves propped open.

1. Prime pump.

2. Remove pocket from line.

3. Clean out line.

4. Remove the obstruction.

Low Discharge Pressure.

Low Suction Pressure.

1. Worn or fluid cut valve.

2. Valve propped open.

3. Pump cavitating.

4. Fluid leakage.

5. Erroneous gauge reading.

1. Low head (NPSH).

2. Insufficient charging pump

capacity.

3. Retarded fluid flow.

4. Erroneous gauge reading.

1. Replace valve assembly.

2. Remove the obstruction.

3. See Cavitation, Fluid Knock

or Hammer problem.

4. Replace plungers/packing

and/or fluid end seals.

5. Recalibrate or replace

gauge(s).

1. Raise fluid supply level.

Install charging pump.

2. Increase charging pump

speed or size.

3. Remove restrictions

from suction line.

4. Recalibrate or replace

gauge(s).

Page 27

PROBLEM POSSIBLE CAUSE SUGGESTED ACTION

Cavitation, Fluid Knock or Hammer.

1. Improper suction system

layout.

2. Low suction pressure.

3. Suction stabilizer and

pulsation damper not used.

4. Defective stabilizer or

damper.

5. High fluid temperature or

viscosity.

6. High fluid vapor pressure.

7. High acceleration head.

1. See recommended system

layout in manual.

2. See Low Suction Pressure

problem.

3. Install suction stabilizer

and pulsation damper.

4. Repair and recharge or

replace.

5. Reduce pump speed.

6. Increase NPSH.

7. Increase supply line size.

Decrease supply line length.

8. Suction valve spring too stiff.

8. Use weaker spring.

with low NPSH.

9. Air/Gas in pumped fluid.

9. Allow more settling

time in supply tank.

Reduce pump speed.

10. Air entering suction line.

10. Repair suction line.

11. Air entering charging pump.

11. Tighten or replace shaft

packing or seal.

12. Air entering or charge gas 12. Repair and recharge

escaping from suction stabilizer

stabilizer.

13. Multiple pumps operating in 13. Use a suction stabilizer

phase.

on each pump. Separate

lines may also be needed.

Suction or Discharge Line 1. Line(s) not supported.

Vibration.

2. Pump cavitating.

1. Install supports or

hangers.

2. See Cavitation, Fluid Knock

or Hammer problem.

High Crankcase Oil

Temperature.

1. High ambient temperature.

1. Use an oil heat exchanger

with a circulating pump.

2. Improper type/grade oil used.

2. Use recommended oil.

3. Pump overloaded.

3. Reduce pump speed and/or

pressure.

4. Improper clearance in main 4. Check and adjust clearance.

or rod bearings, crossheads Replace parts as required.

or bushings.

Page 28

PROBLEM POSSIBLE CAUSE SUGGESTED ACTION

Knock In Power End.

Excessive Valve Noise.

Oil Leakage From

Stop Head.

1. Improper main bearing

clearance.

2. Incorrect pump rotation.

3. Loose plunger coupling.

1. Check and adjust

clearances.

2. Reverse rotation.

4. Loose bearing housings/

covers.

5. Worn crosshead pin.

3. Check and tighten. Replace

if damaged.

4. Check and tighten.

Replace if damaged.

5. Replace.

6. Worn crosshead pin bushing.

6. Replace.

7. Replace.

7. Worn connecting rod to

journal bearing.

8. Worn crankshaft.

8. Replace.

9. Worn crosshead.

10. Worn main bearing.

11. Valve noise transmitted to

power end.

9. Replace.

10. Replace.

11. See Excessive Valve

Noise problem.

12. Cavitation noise transmitted 12. See Cavitation, Fluid

to or causing shock loading in Knock or Hammer problem.

power end.

1. Pump cavitation.

1. See Cavitation, Fluid Knock

or Hammer problem.

2. Replaced seal or valve.

2. Seal on inserted valve

damaged or missing.

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

1. Worn, damaged or corroded.

1. Replace extension rod.

extension rod.

2. Worn oil stop head seal.

3. Oil level too high.

2. Replace seal.

3. Reduce oil level.

4. Excessive crosshead wear.

5. Pressure in crankcase.

6. Misalignment in front.

4. Replace crosshead.

5. Clean or replace air breather.

6. Loosen bolts and center.

crosshead guide cover.

Page 29

PROBLEM

Oil Seal Leakage.

Stuffing Box Leakage.

Pumped Fluid In

Crankcase.

Short Valve Life.

POSSIBLE CAUSE SUGGESTED ACTION

1. Worn sealing lip.

2. Damaged sealing lip.

1. Replace seal.

2. Replace seal.

3. Outside diameter not seated.

3. Clean and polish bore of

oil seal housing.

4. Shaft rough at seal lip.

5. Pressure in crankcase.

4. Clean and polish shaft or

replace wear sleeve.

5. Clean or replace air breather.

1. Short plunger/packing life.

2. Worn packing rings/metal.

3. Seal leaking at fluid

End.

4. Corrosion due to wrong

stuffing box material

for pumped fluid.

5. Stuffing box bore worn.

1. See Short plunger/Packing

Life problem.

2. Replace packing rings/metal.

3. Check seal, stuffing box

groove and sealing surface.

4. Determine and install correct

stuffing box.

5. Replace stuffing box.

1. Worn, damaged or corroded 1. Replace extension rod.

extension rod.

2. Worn oil stop head seal.

2. Replace seal.

3. Stuffing box leakage.

3. See Stuffing Box Leakage

problem.

1. Abrasives in pumped fluid.

2. Valve not sealing.

3. Pump cavitating.

4. Corrosion.

1. Filter pumped product.

Use severe duty valves

with insert.

2. Broken valve spring - replace.

Worn valve guide - replace.

Worn valve/seat - replace.

3. See Cavitation, Fluid Knock or

Hammer problem.

4. Treat pumped fluid.

Use different materials

for valves/seats.

Install sacrificial anodes

in suction manifold.

Page 30

PROBLEM POSSIBLE CAUSE SUGGESTED ACTION

Short Plunger/Packing Life. 1. Abrasives in pumped fluid.

2. Excessive plunger/packing

friction.

3. Metal parts or particles

wearing plunger.

4. Wrong plunger/packing for

pumping conditions.

5. Wrong size packing.

1. Consult Gardner Denver

Customer Service for plunger /

packing recommendation.

Filter pumped fluid.

2. Lubricate with rock drill oil.

Do not overtighten adjust-

able packing.

Use Gardner Denver plungers.

3. Check stuffing box

alignment.

Check gland alignment.

Check plunger alignment.

Check packing for foreign

particles.

Replace lantern ring.

4. Consult Gardner Denver

Customer Service.

5. Install correct size packing.

6. Improper packing installation.

6. Check installation procedure

and install correctly.

7. Excessive crosshead wear.

7. Replace crosshead.

8. Pump cavitating.

8. See Cavitation, Fluid Knock

or Hammer problem.

Catastrophic Failures:

Broken Shafts,

Bent Rods, etc.

1. Pump overloaded.

2. Start-up against closed

discharge valve.

3. Main bearing failure.

4. Plunger striking valve or

valve parts.

5. Plunger striking cylinder.

6. Frozen fluid in cylinder.

7. Lube oil pump failure.

1. Reduce pump speed and/or

pressure.

2. Insure valve is open

before starting.

3. Repair or replace.

4. Check valve condition and

installation procedure.

5. Check plunger for proper

length.

6. Do not start pump when

pumped fluid is below freezing

temperature.

7. Replace oil pump.

Page 31

PROBLEM

Catastrophic Failures:

Broken Shafts,

Bent Rods, etc.

(continued).

Stud Failures.

POSSIBLE CAUSE SUGGESTED ACTION

8. Low oil level in sump.

9. Contaminated oil in sump.

10. Cavitation shock loading.

1. Check oil level frequently,

and add oil as required.

9. Check oil condition frequently.

10. See Cavitation, Fluid Knock

or Hammer problem.

1. Catastrophic failures.

2. Improper nut torquing.

1. See Catastrophic Failures

problem.

2. Check torque specifications

and torque to correct values.

3. Stud bending due to uneven 3. Check nut seat surface for

nut seating.

flatness. Rework or replace

as required.

4. Corrosive attack by pumped 4. Treat fluid or use corrosion

fluid.

resistant studs.

5. Studs damaged before

installation.

5. Check condition before

installation, and replace if

necessary.

6. Low strength studs.

6. Use Gardner Denver studs.

Page 32

SECTION 6

REBUILDING DATA, RUNNING CLEARANCES AND TORQUES

REBUILDING DATA FOR HD-2250 PUMP (in.)

8 Inches PUMP STROKE

Crankshaft Throw Diameter................................................. 7.251 / 7.249

Crankshaft Shaft Diameter at Main Bearing ........................ 16.002 / 16.001

Distance Between Main Bearing Centers............................ 12.00

Bore in Frame for Main Bearings......................................... 19.750 / 19.752

Bore in Frame for Pinion Bearing Housing ......................... 11.001 / 11.003

Connecting Rod Centers ..................................................... 12.00

Connecting Rod Bearing Bore (Assembled in

Bearing Housing).................................................... 7.254 / 7.259

Crosshead Guide Bore ........................................................ 9.877 / 9.880

Crosshead OD .................................................................... 9.860 / 9.855

Wristpin Dia

Wristpin Bushing Bore

2.500 / 2.499

2.503 / 2.505

RECOMMENDED RUNNING CLEARANCES ACTUAL

New (in.) Maximum Allowable

Wear Limit (in.)

Connecting Rod Bearing to Crankshaft ............................... .0055 / .0105 .............. 018

Crosshead Knuckle to Thrust Bearing

Wrist Pin to Bearing

0005 / .0020

..003 / .006

.006

.020

Main Bearing Installed Clearance* ...................................... .002 / .004 .................. .019

Main Bearing Bench Clearance*.......................................... .011 /. 013 .................. .028 / .033

Crosshead to Guide*............................................................ .017 / 025 ................... .045

Crankshaft Endplay.............................................................. .005/.015....................... .030

Pinion Float prior to gear installation ..1/4 to 3/8

* Feeler gauge clearances .001 inch less than actual values.

Page 33

RECOMMENDED TORQUES FOR HD-2250 PUMP MAINTENANCE

TORQUES

FOOT POUNDS .

DESCRIPTION FASTENER WITH LOCTITE WITH ANTISEIZE

Gear Covers, Misc. .............................................. 3/8 -16 16

Main Bearing retainer plate screws (Gr. 8) 1/2 -13 58

Plunger Clamp Bolts .. 1/2 -13 58

Pinion Bearing Housing ....................................... 3/4 -10 160

Extension Rod to Crosshead ............................... 3-1/4 -8 1200

Conn Rod to Bearing Housing, Lock Nuts .. 7/8 -9 340

Fluid End Suction Manifold .................................. 7/8 - 9 340

Discharge Flange to Fluid Cylinder Nuts ............. 1 - 8

Conn Rod Bearing Housing, Cap Screws .. 1 - 8 475

511

Bull-Gear Retaining Screws (Gr. 8) ..1-1/4 -7 1350

Stay Rods into Frame .......................................... 1-3/4 -8 1000

Fluid End to Stay Rods Nuts................................ 1-3/4 -8 2000

Crosshead Thrust Bearing Retainer to Crosshead 1/2 -13 58

5/8 -11 116

Plunger Clamp Bolts ............................................ 5/8 -11 75

Page 34

Product Warranty

BE-13 R 02/2003, Copyright © 2003 Gardner Denver, Inc.

GENERAL PROVISIONS AND LIMITATIONS

Gardner Denver (the "Company") warrants to each original retail purchaser ("Purchaser") of its new products, assemblies or parts from the Company or its authorized distributors that such products are, at the time of delivery to the Purchaser, made with good material and workmanship.

No warranty is made with respect to:

1.

Any product which has been repaired or altered in such a way, in the Company's judgment, as to affect the product adversely.

2.

Any product which has, in the Company's judgment, been subject to negligence, accident, or improper storage, improper installation, operation or application. (Examples: over-pressure, sand-outs, cavitation, corrosion, erosion or degradation).

3.

Any product which has not been operated or maintained in accordance with the recommendations of the Company.

4.

Components or accessories manufactured, warranted and serviced by others.

5. Any reconditioned or prior owned product.

Claims for items described in (4) above should be submitted directly to the manufacturer.

WARRANTY PERIOD

The Company's obligation under this warranty is limited to repairing or, at its option, replacing, during normal business hours at an authorized service facility of the Company, any part or assembly which in the Company s judgment proved to have unsatisfactory material or workmanship within the applicable Warranty Period as follows.

Except for the products or components listed below, and subject to the limitations and restrictions set forth in the Disclaimer section set forth below, the Warranty Period for all products is 1,250 hours of operation or three (3) months after start-up, not to exceed 120 days after delivery to Purchaser, whichever occurs first. The exceptions are as follows:

1. Power end is warranted for twelve (12) months from date of start-up or eighteen (18) months from date of delivery to the Purchaser, whichever occurs first.

2. Forged steel fluid cylinders are warranted for materials and workmanship for 6 months from the date of installation or 18 months from the date of delivery to the purchaser, which ever occurs first.

3. Repairs are warranted for 90 days from the date of delivery, for the workmanship and materials of the new parts installed.

4. Weld repaired fluid ends and weld repaired components are not warranted.

5.

Expendable fluid end parts, including, but not limited to, valves, valve parts, packing, liners and pistons, are not covered by this warranty due to variable abrasive nature of material pumped.

PRESERVATION ASSEMBLIES DESTINED FOR STORAGE

In order for warranty acceptance any pump assembly not immediately installed or destined to be in storage or in transit for extended periods of time must be prepared for storage as defined in the Company s Long Term Storage Procedure. This includes but is not limited to:

Drain and thoroughly clean inside power end crankcase.

Spray rust inhibiting oil on all bearing, machined and inside surfaces of the power end.

Induce clean gear oil into any circulating pump, filter, heat exchanger and piping.

Remove valves, seats and plungers from the fluid end. Thoroughly clean and dry these parts and all internal surfaces. Coat all cylinder bores, valve covers and reusable expendable parts with rust preventative.

Flush all water, and contaminants from pump, tanks, hoses and spray nozzles. Spray all components with a rust inhibiting oil.

Page 35

Rotate pump every 30 days to insure bearings are oiled.

At the expense of the Purchaser, any product properly preserved must be inspected by an authorized agent of the Company, prior to the Company, granting any extended warranty beyond that stated in this warranty.

LABOR TRANSPORTATION AND INSPECTION

The Company will provide labor, by Company representative or authorized service personnel, for repair or replacement of any product or part thereof which in the Company's judgment is proved not to be as warranted. Labor shall be limited to the amount specified in the Company's labor rate schedule.

Labor costs in excess of the Company rate schedules caused by, but not limited to, location or inaccessibility of the equipment, or labor provided by unauthorized service personnel is not provided for by this warranty.

All costs of transportation of product or parts claimed not to be as warranted and, of repaired or replacement parts to or from such service facility shall be borne by the Purchaser. The Company may require the return of any part claimed not to be as warranted to one of its facilities as designated by the

Company, transportation prepaid by the Purchaser, to establish a claim under this warranty.

Replacement parts provided under the terms of this warranty are warranted for the remainder of the

Warranty Period of the product upon which installed to the same extent as if such parts were original components.

The Company may request a root cause analysis be performed in-order to identify if a request for warranty claim meets the requirements of this warranty.

DISCLAIMER

Except as to title, the foregoing warranty is the sole and exclusive warranty of the Company. The

Company hereby extends other manufactures warranty or guaranties, if any given to Company by such manufacturer, but only to the extent the Company is able to enforce such warranty or guaranties. The

Company has not authorized any party to make any representation or warranty other than as expressly set forthherein. SELLER HEREBY DISCLAIMS AND EXCLUDES ANY OTHER EXPRESS,

IMPLIED OR STATUTORY WARRANTIES, ARISING BY OPERATION OF LAW OR OTHERWISE,

INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE. COMPANY MAKES NO WARRANTIES OR

REPRESENTATIONS OF ANY KIND WHATSOEVER (EXPRESS, IMPLIED OR STATUTORY), OF

LAW OR OTHERWISE, ON ANY EQUIPMENT, COMPONENT PARTS OR ACCESSORIES SOLD

HEREUNDER WHICH, ARE NOT MANUFACTURED BY COMPANY.

NOTWITHSTANDING ANYTHING HEREIN TO THE CONTRARY, THE FOREGOING

WARRANTY SHALL BE THE SOLE AND EXCLUSIVE REMEDY AVAILABLE TO THE

PURCHASER. UNDER NO CIRCUMSTANCES, WHETHER IN CONTRACT, TORT OR

OTHERWISE, SHALL THE COMPANY S TOTAL LIABILITY ARISING IN CONNECTION WITH

ANY PURCHASE ORDER EXCEED THE AMOUNT OF ANY SALES OR OTHER PROCEEDS

RECEIVED PURSUANT THERETO. IN ADDITION, UNDER NO CIRCUMSTANCES, WHETHER

IN CONTRACT, TORT OR OTHERWISE, SHALL THE COMPANY BE LIABLE FOR

LIQUIDATED, SPECIAL, INDIRECT, INCIDENTAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES, EXPENSES OR COSTS, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR

FACILITY DOWNTIME, HOWEVER CAUSED AND EVEN IF THE POTENTIAL OF SUCH

DAMAGES WAS DISCLOSED AND/OR KNOWN.

No statement, representation, agreement, or understanding, oral or written, made by any agent, distributor, representative, or employee of the Company which is not contained in this Warranty will be binding upon the Company unless made in writing and executed by an officer of the Company.

Page 36

This warranty shall not be effective as to any claim which is not presented within 30 days after the date upon which the product is claimed not to have been as warranted. Any action for breach of this warranty must be commenced within one year after the date upon which the cause of action occurred.

Any adjustment made pursuant to this warranty shall not be construed as an admission by the

Company that any product was not as warranted.

WARRANTY REQUESTS

Products to be returned for warranty analysis shall be approved for return in writing by the

Company prior to shipment. All requests for product return shall be submitted by email.

Facsimile or letter to:

Warranty Department c/o

Gardner Denver Petroleum Pumps

4747 South 83 rd

East Avenue

Tulsa, Oklahoma 74145

Email: [email protected]

Facsimile: (918) 664-6225

BE-13 R 02/2003, Copyright © 2003 Gardner Denver, Inc.

Page 37

For additional information contact your local representative or

Gardner Denver Inc.

4747 South 83 rd

East Avenue, Tulsa, OK 74145

PH: (918) 664-1151, (800) 637-8099

FAX: (918) 664-6225

www.gardnerdenver.com

Specifications subject to change without notice.

Copyright © 2001 Gardner Denver, Inc. Litho in U.S.A.

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