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Groundsmaster 4000--D/4010--DPage 6 -- 34Axles, Planetaries and Brakes
Gear Pattern Movement Summary
Every gear has a characteristic pattern. Theillustrations
showtypicalpatternsonlyand explain how patterns shift
as gear location is changed.
1. If contact is toward the heel or base of the gear (Fig.
46):
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) to move ring gear backward.
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. 47):
A. Install thinner or remove bearing case shim(s) to
move pinion shaft away from ring gear.
B. Install thicker or additional differential bearing
shim(s) to move ring gear forward.
C. Repeat until proper tooth contact and pinion gear
to ring gear backlash are correct.
Figure 46
Heel Contact Base Contact
Figure 47
Toe Contact Tip Contact