Toro 30446 - Page 272

Groundsmaster 4000--D/4010--DPage 6 -- 34Axles, Planetaries and Brakes
Gear Pattern Movement Summary
Everygearhasacharacteristicpattern.Theillustrations
showtypicalpatternsonlyandexplainhowpatternsshift
as gear location is changed.
1. Ifcontact 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. Repeatuntilproper toothc ontactandpiniongear
to ring gear backlash are correct.
2. Ifcontactis towardthetoeor tipof thegear (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. Repeatuntilproper toothc ontactandpiniongear
to ring gear backlash are correct.
Figure 46
Heel Contact Base Contact
Figure 47
Toe Contact Tip Contact