Remove & Install Oil Pump
Start By:
a. remove oil pan
Fluid Spillage Containment
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to “Tools And Shop Products Guide”, NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of fluids according to local regulations and mandates.
1. Remove oil supply tube (1) and suction bell and tube (2).
2. Remove bolts (3) that hold the oil pump to the cylinder block, and remove oil pump (4).
NOTE: The following steps are for installation of the oil pump.
3. Put oil pump (4) in position on the cylinder block. Install the bolts that hold the oil pump to the cylinder block.
4. Put clean engine oil on the O-ring seals of the tubes.
5. Install oil supply tube (1) and suction bell and tube (2).
End By:
a. install oil pan
Disassemble Oil Pump
Start By:
a. remove oil pump
Fluid Spillage Containment
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to “Tools And Shop Products Guide”, NENG2500 for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of fluids according to local regulations and mandates.
1. Remove the bolt and washer that hold the gear on the shaft.
2. Use Tooling (A), and remove drive gear (1) from the shaft.
3. Remove retainer (3) for the bypass valve.
4. Remove the spring and bypass valve.
5. Remove cover (2) from the pump body.
6. Remove idler gear and drive gear (5) and (6) from pump body (4).
Assemble Oil Pump
1. Install idler gear (5) and drive gear (6) in the oil pump body. Put clean engine oil on the gears and assembly.
2. Install bypass valve (8), spring (9) and the retainer into cover (2).
3. Install the key on the shaft.
4. Install drive gear (1) on the shaft. Install the washer and bolt that hold the drive gear on the shaft. Be sure the pump turns freely after assembly.
End By:
a. install oil pump