84
GZ393B
OIL PUMP ASSEMBLY
Disassembling and Inspecting
1. Remove the oil pump cover; then remove the gerotor
set, shaft, and pin (see Disassembling Crankcase Half
in this sub-section).
2. Inspect the crankcase for scoring, discoloration, or
cracks in the gerotor bore. If scored, crankcase assem-
bly must be replaced.
GZ357
3. Inspect the gerotor set for scoring, discoloration, or
cracks; then using a feeler gauge, check the inner to
outer rotor clearance. If measurements exceed specifi-
cations, the gerotor set must be replaced.
GZ355
4. Inspect the oil pump cover for scoring, discoloration,
or cracks. Replace if damaged.
GZ358
5. Inspect the oil pump driveshaft and drive pin for
excessive wear or grooving. Replace as required.
GZ354A
6. Remove the oil seal from the oil pump cover.
GZ365
Assembling
1. Install a new oil seal into the oil pump cover; then coat
the lips of the seal with grease and install the pump
driveshaft from the seal side.
GZ359