Gardner Denver GD-250 Operating And Service Manual Download Page 1 | Manualshive

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GARDNER DENVER

®

3-1-618

Version 1

January 2011

TRIPLEX PISTON PUMP

5” STROKE

MODEL

GD-250

WELL SERVICE

OPERATING AND

SERVICE MANUAL

Rental Pump

Supplied By

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Summary of Contents for GD-250

Page 1: ...GARDNER DENVER 3 1 618 Version 1 January 2011 TRIPLEX PISTON PUMP 5 STROKE MODEL GD 250 WELL SERVICE OPERATING AND SERVICE MANUAL Rental Pump Supplied By...

Page 2: ...ed distributor 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...

Page 3: ...operation and minimum 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 WARNIN...

Page 4: ...tions 7 Crankcase Oil Requirements 16 Gardner Denver Horizontal Pump Recommended System Layout for Proper Performance 16 Net Positive Suction Head Required NPSHR at Fluid Cylinder Suction Connection w...

Page 5: ...ting and Cleaning Danger Notice 5 6 Hydraulic Puller Danger Notice 2 INSTALLATION AND OPERATING INSTRUCTIONS SECTION 2 7 Lifting and Moving Equipment Danger Notice 2 Location 7 Lubrication Packing 12...

Page 6: ...or Temperature Correction Char 21 Wedge Puller Danger Notice 2 LIST OF ILLUSTRATIONS Figure Description Page Figure 1 View of the Eccentric thru the Hood Opening Step 1 18 Figure 2 View of the Eccent...

Page 7: ...g and service manuals should be readily available for operator and maintenance personnel use Read and follow all the precautions and instructions contained in these manuals If any of these documents a...

Page 8: ...e 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 swingi...

Page 9: ...o 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 im...

Page 10: ...han every six months if pressures above 2 500 PSI are used in the discharge system or if corrosive flammable or hot over 110 F fluids are being pumped Before starting the pump the first time and perio...

Page 11: ...s 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 Pressure or flow directing devices often...

Page 12: ...tion 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 an...

Page 13: ...supported independently of the pump to insure that no strain is imposed in the pump by misalignment or improperly fitted pipe PRESSURE RELIEF VALVE The pump must be protected from excessive discharge...

Page 14: ...f care is taken to stay within the listed temperature ranges Straight weight oils are also ideal in pumps used indoors when ambient temperatures are controlled The oil level in the pump should be chec...

Page 15: ...the crankcase Drain all water accumulation from the bottom of crankcase Check all nuts and screws and tighten if necessary Fill crankcase with oil of proper grade to proper level Quantity on the data...

Page 16: ...th a valve seat puller Wipe the tapered surface of the valve seat and pump valve deck in the fluid cylinder with a clean cloth Lower the seat into the port taper and then lift slightly and drop If the...

Page 17: ...nd rust in the stuffing box pilot bores in the frame Install the packing in the box Place a new gasket in the stuffing box groove The gasket chamfered edge must face out to prevent gasket pinching whe...

Page 18: ...e placed over a lock pin which has been inserted in a lock pin hole in the gland When using self adjusting packing tighten the gland nut firmly after assembling it metal to metal with the stuffing box...

Page 19: ...ot contaminate the crankcase oil CROSSHEAD AND PINS Crossheads can be removed through the oil stop head openings Crossheads are equipped with straight pins secured on each end by setscrews and locknut...

Page 20: ...re Tighten oil stop head gland to prevent seal movement while pump is in operation These oil stop head seals are nonadjustable When crankcase oil leakage occurs past seals the seals should be replaced...

Page 21: ...the crankcase the oil and filter should be changed Drain and clean out the crankcase before putting in new oil Replace the oil stop head seals before running the pump We recommend oil stop head seals...

Page 22: ...e or grade used A crankcase heater and or an oil heat exchanger may be needed to meet these requirements Crankcase capacity is 12 gallons 45 4 liters WARNING Failure to follow these lubrication requir...

Page 23: ...y into tank outlet 4 A short straight suction line is preferred from the tank to the pump If this is not possible use as few bends as possible and use long radius elbows The smallest portion of the li...

Page 24: ...3 1 618 Page 18 FIGURE 1 STEP 1 FIGURE 2 STEP 2...

Page 25: ...3 1 618 Page 19 FIGURE 3 STEP 3 FIGURE 4 STEP 4...

Page 26: ...d minimum plunger sizes Interpolate between NPSH curves for each plunger size NPSHR is defined at a 3 flow drop below maximum capacity Added suction head above that shown by the curves must be provide...

Page 27: ...3 1 618 Page 21 CORRECTION CHART FOR TEMPERATURE OR VISCOSITY...

Page 28: ...0 592 64 60 20 45 40 3 106 0 35 9 0 3 9 67 45 800 176 81 00 677 73 80 23 35 35 2 120 0 39 9 8 4 1 74 50 900 198 91 00 762 83 00 26 30 31 3 135 0 41 10 7 4 3 82 58 1000 220 100 7 896 92 10 29 20 28 2 1...

Page 29: ...mbly 2 Valve propped open 2 Remove prop 3 Pump cavitating 3 See Cavitation Fluid Knock or Hammer problem 4 Fluid leakage 4 Replace fluid end seals 5 Erroneous gauge reading 5 Recalibrate or replace ga...

Page 30: ...13 Multiple pumps operating in 13 Use a suction stabilizer phase on each pump Separate lines may also be needed Suction or Discharge Line Vibration 1 Line s not supported 1 Install supports or hangers...

Page 31: ...il stop head packing 2 Replace packing 3 Oil level too high in 3 Reduce oil level crankcase 4 Excessive crosshead wear 4 Replace crosshead 5 Pressure in crankcase 5 Clean or replace air breather Oil S...

Page 32: ...temperature 5 Lube oil pump failure 5 Replace oil pump 6 Low oil level in sump 6 Check oil level frequently and add oil as required 7 Contaminated oil in sump 7 Check oil condition frequently 8 Cavita...

Page 33: ...ad Pin 2 0015 2 0020 50 838 50 851 Bore in Connecting Rod Bushing for Eccentric 10 499 10 505 266 675 266 827 Crosshead Pin Diameter 2 0005 2 0000 50 8127 50 8000 Bore in Crosshead for Pin 2 0010 2 00...

Page 34: ...Service Department Telephone 800 682 9868 FAX 217 223 1581 For Domestic parts information Contact Gardner Denver Fluid Transfer Division 2200 South Prospect Oklahoma City OK 73129 Telephone 405 677 57...

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