6-56
SHAFT DRIVE
CHAS
NOTE:
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Ring gear shim
Thickness (mm) 0.25, 0.30, 0.40
Thrust washer
Thickness (mm) 1.2, 1.4, 1.6, 1.8, 2.0
EB707031
FINAL GEAR BACKLASH ADJUSTMENT
1. Remove:
S Bolts (bearing housing)
Working in a crisscross pattern, loosen each nut
1 /4 of a turn. After all the nuts are loosened, re-
move them.
2. Remove:
S Bearing housing
1
S Ring gear
2
S Thrust washer
3
S Shim(s)
4
3. Adjust:
S Final gear backlash
Adjustment steps:
D Use the following chart to select the suitable
shims and thrust washer.
Reducing the shim
gear backlash is
thickness: increased.
Increasing the gear backlash is
shim thickness: decreased.
D If it is necessary to increase the final gear
backlash by more than 0.1 mm:
Reduce the thrust washer thickness by 0.1
mm for every 0.1 mm increase of ring gear
shim thickness.
D If it is necessary to reduce the final gear back-
lash by more than 0.1 mm:
Increase the thrust washer thickness by 0.1
mm for every 0.1 mm decrease of ring gear
shim thickness.
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