EXTENSION-FAN 4539682 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-0510 Driver Group 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01053962
Install sleeve bearings (11) in the pump body with Tooling (B). The bearing joint should be 30 15 degrees from the center line of the two bearing bores. Install the sleeve bearings so the sleeve bearings are even with the outside of the pump body.
Before final assembly, check the condition and specifications of all of the parts of the engine oil pump. Refer to Specification, "Engine Oil Pump".
Illustration 2 g01043546
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Lubricate the idler gear and the drive gear with clean engine oil. Lubricate sleeve bearings (11) with clean engine oil. Install idler gear (5) and drive gear (4) in pump body (3).
Install cover (10). Install bolts (12) in order to secure the cover to the pump body. Note: The engine oil pump must turn freely after assembly. Turn the engine oil pump by hand. Reposition cover (10) if the engine oil pump does not turn freely.
Install relief plunger (7), spring (8), retainer (9), and bolts (6).
Install the key on the shaft.
Illustration 3 g01043619
Install drive gear (1) on the shaft of engine oil pump (2). Install bolt (13) . Tighten the bolt to a torque of 55 10 N m (41 7 lb ft). End By:
Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".