STUD 0000659 - 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 g02367717
If suction pipe (1) has a support bracket, remove bolt (4) from bracket (3). Loosen bolt (2) for the retaining clip. Note: Note the position and orientation of the components for the support bracket.
Remove bolts (5). Remove suction pipe (1) from oil pump (8).
Remove gasket (6) (not shown).
Remove bolts (7) and remove the assembly of engine oil pump (8) from the cylinder block.
Illustration 2 g02367718
If necessary, remove bolts (13) and front cover assembly (9). Remove outer rotor (10) from the housing of the engine oil pump. Note: Do not remove dowel (11) or dowel (12) from the housing of the engine oil pump unless the dowels are damaged.