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Groundsmaster 4500--D/4700--DPage 6 -- 30Axles, Planetaries and Brakes
Gear Pattern Movement Summary
Everygear hasa characteristicpattern. Theillustrations
showtypicalpatternsonlyandexplainhow patternsshift
as gear location is changed.
1. If contact is toward the heel or base of the gear (Fig.
42):
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 untilproper tooth contact andpinion gear
to ring gear backlash are correct.
2. If contactis toward the toe or tip of the gear (Fig. 43):
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 untilproper tooth contact andpinion gear
to ring gear backlash are correct.
Figure 42
Heel Contact Base Contact
Figure 43
Toe Contact Tip Contact