Gardner Denver GD-2250T Operating And Service Manual

Summary of GD-2250T

  • Page 1

    Ecn 1058968 gardner denver ® 301thd996 revision d april 2011 gd-2250t well servicing pump operating and service manual.

  • Page 2

    301thd996 page i gd-2250t 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 th...

  • Page 3

    301thd996 page ii 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 person...

  • Page 4

    301thd996 page iii table of contents maintain pump reliability and performance with genuine gardner denver parts and support services ........................................................................................................... I instructions for ordering repair parts ....................

  • Page 5

    301thd996 page iv index charging pump requirement...................... 14 covers and guards, danger notice .............. 2 crankshaft assembly .............................11/25 crosshead assembly ..............................10/23 daily routine maintenance ......................... 20 danger not...

  • Page 6

    301thd996 page v list of illustrations figure # description page figure 2-1 gd-2250t pump .................................................................................... 9 figure 2-2 gd-2250t power end section a-a ........................................................ 10 figure 2-3 fluid end ...

  • Page 7

    301thd996 page 1 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 ...

  • Page 8

    301thd996 page 2 • 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. • avoi...

  • Page 9

    301thd996 page 3.

  • Page 10

    301thd996 page 4 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, s...

  • Page 11

    301thd996 page 5 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 flowi...

  • Page 12

    301thd996 page 6 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 importan...

  • Page 13

    301thd996 page 7 pressure equipment directive 97/23/ec..

  • Page 14

    301thd996 page 8 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 ...

  • Page 15

    301thd996 page 9 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 ...

  • Page 16

    301thd996 page 10 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 ...

  • Page 17

    301thd996 page 11 section 2 design, description and specifications introduction the gardner denver gd-2250t is a multi- purpose pump for various applications such as oil well servicing, water blasting, industrial use, etc. The pump was designed using modern analytical engineering methods and techniq...

  • Page 18

    301thd996 page 10 pump design the gd-2250t 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...

  • Page 19

    301thd996 page 11 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 crosshea...

  • Page 20

    301thd996 page 12 general specifications this section presents the pump basic specifications (u.S. Systems). The first set of specifications deals with the pump's power, rod load, plunger stroke, and overall dimensions. The other table presents allowable pressures and flows for various plunger sizes...

  • Page 21

    301thd996 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 specifi...

  • Page 22

    301thd996 page 14 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. Alternate mounting instructions: figure 3-...

  • Page 23

    301thd996 page 15 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...

  • Page 24

    Page 16 figure 3-3: lubricant recommendations.

  • Page 25

    301thd996 page 16 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," pa...

  • Page 26

    301thd996 page 17 13. Shut the pump down and let it cool thoroughly before starting normal operation of the pump. 14. During the shutdown, change the oil filter elements and clean the suction strainer. 15. Change the lube oil and clean the reservoir to get rid of metal particles and any other wear p...

  • Page 27

    301thd996 page 18 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. Ch...

  • Page 28

    301thd996 page 19 plunger packing lubrication recommendation chart rock drill lubricants - normal conditions source type pour point maximum amoco amoco rock drill oil - light -20 ° f amoco rock drill oil - medium 0 ° f arco air drill #147 0 ° f arco trueslide #150 15 ° f chevron oil u.S.A. Vistac #6...

  • Page 29

    301thd996 page 20 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 rule...

  • Page 30

    301thd996 page 21 notice the procedure for fluid end installation is presented separately due to the special and critical nature of the connection between the power end and the fluid end. Fluid end installation 1. Check all twelve stay rods for thread damage or cracks. If replacement is required, re...

  • Page 31

    301thd996 page 22 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 ...

  • Page 32

    301thd996 page 23 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...

  • Page 33

    301thd996 page 24 figure 4-5: connecting rod – crosshead – extension/pony rod 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 fre...

  • Page 34

    301thd996 page 25 6. Cut the safety wire (if any) 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 ...

  • Page 35

    301thd996 page 26 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 thro...

  • Page 36

    301thd996 page 27 section 5 trouble-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. In...

  • Page 37

    301thd996 page 28 problem possible cause suggested action cavitation, fluid knock 1. Improper suction system 1. See recommended system or hammer. Layout. Layout in manual. 2. Low suction pressure. 2. See low suction pressure problem. 3. Suction stabilizer and 3. Install suction stabilizer pulsation ...

  • Page 38

    301thd996 page 29 problem possible cause suggested action knock in power end. 1. Improper main bearing 1. Check and adjust clearance. Clearances. 2. Incorrect pump rotation. 2. Reverse rotation. 3. Loose plunger coupling. 3. Check and tighten. Replace if damaged. 4. Loose bearing housings/ 4. Check ...

  • Page 39

    301thd996 page 30 problem possible cause suggested action oil seal leakage. 1. Worn sealing lip. 1. Replace seal. 2. Damaged sealing lip. 2. Replace seal. 3. Outside diameter not seated. 3. Clean and polish bore of oil seal housing. 4. Shaft rough at seal lip. 4. Clean and polish shaft or replace we...

  • Page 40

    301thd996 page 31 problem possible cause suggested action short plunger/packing life. 1. Abrasives in pumped fluid. 1. Consult gardner denver customer service for plunger / packing recommendation. Filter pumped fluid. 2. Excessive plunger/packing 2. Lubricate with rock drill oil. Friction. Do not ov...

  • Page 41

    301thd996 page 32 problem possible cause suggested action catastrophic failures: 8. Low oil level in sump. 1. Check oil level frequently, broken shafts, and add oil as required. Bent rods, etc. (continued). 9. Contaminated oil in sump. 9. Check oil condition frequently. 10. Cavitation shock loading....

  • Page 42

    301thd996 page 33 section 6 rebuilding data, running clearances and torques rebuilding data for gd-2250t pump (in.) pump stroke 8 inches crankshaft throw diameter............................................... 7.251” / 7.249” crankshaft shaft diameter at main bearing ...................... 16.002” /...

  • Page 43

    301thd996 page 34 recommended torques values for gd-2250t pump maintenance _ foot pounds_________ description fastener with loctite with antiseize crosshead bearing retainer………………………1/2”-13 58 ………………………………………………………… 5/8”-11 116 plunger clamp bolts……………………………….. 1/2”-13 58 pinion bearing housing........

  • Page 44

    301thd996 page 35 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 distributor...

  • Page 45

    301thd996 page 36 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 transport...

  • Page 46

    301thd996 page 37 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...

  • Page 47

    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 ...