4-74
MIDDLE GEAR
ENG
120 Nm (12.0 mkg)
NOTE:
MIDDLE GEAR INSPECTION
1. Inspect:
Damper cam surface
Wear/scratches Replace the damper
cam as a set.
2. Inspect:
Damper spring
Damage/cracks Replace.
3. Inspect:
Middle driven pinion gear teeth
1
Middle drive pinion gear teeth
2
Pitting/galling/wear Replace the
middle gear as a set.
4. Inspect:
Bearing
Pitting/damage Replace the bearing
housing assembly.
O-rings
Damage Replace.
5. Check:
Universal joint movement
Roughness Replace the universal joint.
MIDDLE DRIVE PINION GEAR
INSTALLATION
1. Install:
Middle drive pinion gear
1
Nut
2
Tighten the nut (middle drive pinion gear)
2
while holding the rotor with the sheave holder
3
.
To lock the threads stake them with a center
punch.
Sheave holder:
90890-01701