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ENG
BALANCER GEARS AND OIL PUMP GEARS
REMOVING THE BALANCER DRIVEN
GEAR AND OIL PUMP DRIVEN GEAR
1. Straighten the lock washer tabs.
2. Loosen:
• balancer driven gear nut
1
• oil pump driven gear nut
2
TIP:
Place an aluminum plate
3
between the teeth
of the balancer drive gear
4
and balancer
driven gear
5
, then loosen the nuts.
5
4
3
1
2
CHECKING THE OIL PUMP DRIVE
1. Check:
• oil pump drive gear
• oil pump driven gear
Cracks/wear/damage
→
Replace.
CHECKING THE BALANCER DRIVE
1. Check:
• balancer drive gear
• balancer driven gear
Damage/wear
→
Replace the balancer
drive gear and balancer driven gear as a
set.
Excessive noise during operation
→
Replace the balancer drive gear and bal-
ancer driven gear as a set.