Service Repair Manual
Model: 320D EXCAVATOR BZP
Configuration: 320D Excavator BZP00001-UP (MACHINE) POWERED BY C6.4 Engine
Disassembly and Assembly
C6.4 Engine for Caterpillar Built Machines
Media Number -KENR8106-09
Publication Date -01/10/2017
Date Updated -18/10/2017
Engine Oil Pump - Remove
SMCS - 1304-011
Tool Part Number
a. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
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
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Dispose of all fluids according to local regulations and mandates.
Note: Illustration 1 does not show that the front housing is removed from the cylinder
1. Remove bolts (1) from the cover (2).
2. Remove cover (2) for the engine oil pump from the front housing. Remove gasket (3) (not
3. Remove driven gear (4) for the oil pump. Pull the gear straight out of the front housing (5)
4. Use Tooling (A) in order to remove oil pump gear (6) from the front housing.