background image

 

3-1-618    Page 9 

The indicated direction is recommended because 
crosshead load will be carried on the bottom guide, 
resulting in a more quiet operation, better lubrication, 
and longer life. 

 

OIL FILTER

 - A replaceable element oil filter is 

recommended.  The filter element should be replaced 
each time the crankcase oil is changed or every 500 
hours. 

Time between oil changes depends upon local or 
operating conditions.  Ordinarily, if the crankcase is 
kept closed, it should not be necessary to change oil 
more often than once in 500 working hours. 

 

However, the oil must be changed anytime water or 
other contamination is found. The oil pressure and oil 
level must be monitored and if the pressure is less 
than 50 PSIG, the system must be checked to 
determine what problems might exist. 

 
The screen on the suction pipe might be obstructed 
so that the pump cannot get sufficient oil to maintain 
pressure.  This screen should be examined when the 
oil is changed and cleaned thoroughly.  The oil 
should be changed if found to be dirty or if it contains 
any contamination or water. 

 

 

HEAT EXCHANGER (Optional Equipment) –

 A 

bronze shell and tube heat exchanger can be 
provided to keep crankcase oil temperature at 160

°

 F 

(71

°

 C) by using an automatic water control valve.  

This valve has a heat sensing probe in the crankcase 
oil which controls water to the heat exchanger to 
maintain oil temperature within limits.   

 

STARTING A NEW PUMP

 - The hood should be 

removed, power end examined and cleaned if 
necessary.  Pump may have been in storage or in the 
yard for some time and as a consequence, dirt or rust 
from condensation may have formed in 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 plate 
indicates the approximate oil requirement. 

To prevent excessive wear on fluid pistons when 
starting, remove the discharge valve cover plates and 
discharge valves and prime the pump.  The pump 
should be started slowly and operated for 30 minutes 
with little or no discharge pressure. 

Check the oil level as it may be necessary to add a 
small amount of oil to compensate for that adhering 
to walls of the crankcase and moving parts. 

The pump may then gradually be brought up to full 
speed and full working pressure.  Watch for undue 
heating or abnormal noise in the working parts.  
Check all joints in the suction line to be sure there are 
no air or fluid leaks.  Check for abnormal vibration 
caused by improper suction conditions.   

 

CAUTION 

 
Priming is important!  It lubricates the 
piston and liners.  If these parts are not 
lubricated they could be severely damaged 
in operation.

                     

  

 DANGER 

 

 
The frame cradle safety cover, all guards 
and all inspection plates must be securely 
fastened in proper position before the 
pump is started and not removed while in 
operation to avoid personal injury and/or 
death from moving parts. 

   

 

WARNING 

 

The oil should be checked for contamination 
whenever pumped fluid sprays or splashes 
against an oil stop head.  This is especially 
critical when the fluid contains salts or 
solids, as these contaminants can plug 
lubricating passages and cause rapid power 
end failure. 

   

 

WARNING 

 
The GD-250 pump must be driven only in the 
direction indicated on the frame to provide 
adequate lubrication and prevent excessive 
pump wear. 

                    

   

 

WARNING 

 

Pumps are shipped from the factory without 
oil in the crankcase  

Содержание GD-250

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Отзывы: