6.3.2.
Oil pump
•
Disassembly
(1) Disassembly of oil pump drive gear
a. Unscrew the screw and disas-
semble the oil relief valve.
b. Unfold the washer for the oil
pump drive gear fixing nut and
remove the nut.
c. Disassemble the drive gear.
(2) Remove the oil pump cover fixing
nuts and disassemble the oil pump
cover.
The oil pump cover is fixed with
the two dowel pins.
(3) Disassemble the drive gear and
driven gear.
•
Inspection and correction
(1) With steel rule and feeler gauge,
measure the axial end play of the
oil pump gear. Replace if the mea-
sured value is beyond the limit.
(2) With a feeler gauge, measure the
amount of backlash between the
oil pump drive gear and driven
gear. Replace if the measured
value is beyond the limit.
- 158 -
MAINTENANCE OF MAJOR COMPONENTS
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