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Groundsmaster 4500--D/4700--DPage 6 -- 36Axles, Planetaries and Brakes
Gear Pattern Movement Summary
Every gear has a characteristic pattern. The illustrations
show typical patterns only a ndexplain how patterns shift
as gear lo cation is changed.
1. If contact is toward the heel or base of the gear (Fig.
49):
A. Install thicker or additional bearing case shim(s)
to move pinion shaft toward ring gear.
B. Install thinner or remove differential bearing
shim(s)tomoveringgearbackward.
C. Repeat until proper tooth contact and pinion gear
to ring gear backlash are correct.
2. If contact is toward the toe or tip of the gear (Fig. 50):
A. Install thinner or remove bearing case shim(s) to
move pinion shaft away from r ing gear.
B. Install thicker or additional differential bearing
shim(s)tomoveringgearforward.
C. Repeat until proper tooth contact and pinion gear
to ring gear backlash are correct.
Figure 49
Heel Contact Base Contact
Figure 50
Toe Contact Tip Contact