4-20 - POWERHEAD 90-817643R1 DECEMBER 1996
8. Remove piston pin.
PE-51086
a
b
a - Piston Pin
b - Piston Pin Tool (91-74607A2)
9. Remove piston pin needle bearings (29 per piston pin)
and locating washers (“a” 2 per piston) as shown.
PE-51088
a
a - Locating Washers
!
CAUTION
Bearing removal will cause bearing damage and will
require replacement.
10. Inspect crankshaft bearing. Remove bearing (a) and
retaining ring (b) only if necessary.
PE-51084
a
b
11. Press crankshaft bearing as shown.
PE-51081
12. Remove oil drive gear if necessary.
PE-51084
a
b
a - Oil Drive Gear
b - Key
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