SEAL-O-RING 8C3085 - Caterpillar

Removal Procedure
Start By:
Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g02476517
Remove bolts (2). Remove suction pipe (1) from engine oil pump (4).
Remove gasket (3).
Remove bolts (5) and remove the assembly of engine oil pump (4) from the cylinder block.
Illustration 2 g02476518
If necessary, follow Step 4.a through Step 4.d in order to disassembly engine oil pump (4).
Remove bolts (9) from front cover assembly (8).
Remove front cover assembly (8) from the housing of the engine oil pump (4).
Remove outer rotor (7) from the housing of engine oil pump (4).
Do not remove dowel (6) from the housing of engine oil pump (4) unless the dowels are damaged. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If any part of the engine oil pump is worn or damaged, the complete assembly of the engine oil pump must be replaced.
Ensure that all components of the engine oil pump are clean and free from wear and damage. Refer to System Operation, Testing and Adjusting, "Engine Oil Pump - Inspect" for more information. Replace the complete assembly of the engine oil pump if any of the components are worn or damaged.
Illustration 3 g02476518
If necessary, follow Step 2.a through Step 2.f in order to assembly engine oil pump (4).
Lubricate the internal components for the assembly of engine oil pump (4) with clean engine oil.
Install outer rotor (7) to the housing of engine oil pump (4).
Install front cover assembly (8) to the housing of the engine oil pump (4).
Install bolts (9) to front cover assembly (8). Tighten the bolts finger tight.
Tighten bolts (8) to a torque of 24 N m (212 lb in).
Ensure that dowels (6) are correctly located in the housing of engine oil pump (4).
Illustration 4 g02476517
Position the assembly of engine oil pump (4) onto the cylinder block. Note: Ensure that the dowels in the housing of the engine oil pump are aligned with the holes in the cylinder block.
Install bolts (5). Tighten the bolts to a torque of 44 N m (32 lb ft).
Check the backlash between idler gear and the crankshaft gear. Refer to Specifications, "Gear Group (Front)" for further information.
Position a new gasket (3) onto suction pipe (1). Install the assembly of suction pipe (1) onto the assembly of engine oil pump (4).
Install bolts (2) finger tight. Tighten the bolts to a torque to 22 N m (195 lb in). End By:
Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Install" for the correct procedure.