Document P/N:
2P121260
Release Date: 02/27/2017
Revision: E
27 of 41
Run the pump at this setting for 30 minutes. During this time, closely observe the plunger pump for
any unusual noise, vibration, fluid leaks, and oil leaks. Record all pertinent information such as
elapsed time, ambient temperature, power end lube oil temperature, power end lube oil pressure,
supercharge pressure, etc. After returning the engine to idle and the transmission to neutral,
physically inspect the plunger pump before proceeding further.
4. Adjust the test choke, engine, and transmission according to the values below. These settings
should be approximately as follows:
PLUNGER
DIAMETER
IN (MM)
INPUT SPEED
PINION PUMP
RPM
POWER
BHP KW
PRESSURE
PSI MPA
FLOW RATE
GPM BPM LPM
2 1/2 (63.5)
516 112
375 279.6 13500 93.1 43 1.0 162
2 3/4 (69.9)
454 338.4 13500 93.1 52 1.2 196
3 (76.2)
540 402.7 13500 93.1 62 1.5 234
3 1/2 (88.9)
600 447.4
11020 76.0 84 2.0 318
4 (101.6)
8438 58.2 110 2.6 415
4 1/2 (114.3)
6667 46.0 139 3.3 525
Run the pump at this setting for 30 minutes. During this time, closely observe the plunger pump for
any unusual noise, vibration, fluid leaks, and oil leaks. Record all pertinent information such as
elapsed time, ambient temperature, power end lube oil temperature, power end lube oil pressure,
supercharge pressure, etc. Return the engine to idle, the transmission to neutral, and kill the engine.
5. Visually inspect the power end for oil leaks around the plunger seals, pinion seal, lubrication hoses,
lube drain hoses, covers, etc.
Visually inspect the fluid end for fluid leaks around the suction covers, discharge covers, discharge
flanges, stuffing boxes, and suction manifold. Visually inspect the plungers for any signs of heating
or scoring.
Remove the power end lube system magnet and inspect for any unusually large particles of metal.
Change the lube oil filters.
__________________________________________________
* Pressure is limited to 15,000 PSI due to discharge flange and plunger configuration. For higher
pressure, contact Weir Oil & Gas engineering department.
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