FRAME AS-DOOR 3263509 - Caterpillar

1. Remove three bolts (2). Remove suction bell (4), support and tube assembly from the oil pump.2. Remove the O-ring seal from the tube assembly.3. Remove bolts (1). Remove tube assembly (3) from the oil pump.4. Remove the O-ring seal from the tube assembly. 5. Remove three bolts (6). Remove oil pump (5) from the engine.Install Oil Pump
1. Put oil pump (1) in position on the engine and install the bolts that hold it.2. Install the O-ring seal on the tube assembly. 3. Put a small amount of SAE 30 oil on the O-ring seal and install tube assembly (2) on the oil pump.4. Install O-ring seal (4) on the tube assembly.5. Put a small amount of SAE 30 oil on the O-ring seal. Put the suction bell (3), support and tube assembly in position on the engine. Install the bolts that hold it.end by:a) install oil panDisassemble Oil Pump
start by:a) remove oil pump 1. Remove bolt and washer that hold gear on the shaft. 2. Use tooling (A) to remove drive gear (1) from shaft. Remove the key from shaft. 3. Remove retainer (3) for bypass valve.4. Remove spring and bypass valve.5. Remove the cover (2) from pump body. 6. Use tooling (B) to remove bearings from the cover. 7. Remove gears (5) from pump body (4).8. Use tooling (B) to remove bearings from pump body.Assemble Oil Pump
1. Use tooling (A) to install bearings in pump body. Install bearings so split in bearings is 30° 15° from center line of oil pump outlet passage (2). 2. Install idler gear (1) and drive gear (3) in oil pump body. Put clean engine oil on bearings and on gears. 3. Use tooling (A) to install bearings in cover (4). Install bearings so split in bearings is 30° 15° from center line of bearings bores toward oil pump outlet passage (2). Install cover (4) on pump body.4. Install bypass valve (5), spring (6) and the retainer.5. Install key on the shaft. 6. Install gear (7) on shaft. Install washer and bolt that hold gear on the shaft. Be sure pump turns freely after assembly.end by:a) install oil pump