Toro 4100-D Lawn Mower User Manual


 
Groundsmaster 4100--DPage 6 -- 30Axles, Planetaries and Brakes
Gear Pattern Movement Summary
Every gear has a characteristicpattern. The illustrations
showtypicalpatterns only andexplain how patternsshift
as gear location is changed.
1. If contact is toward the heel or base of the gear (Fig.
44):
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. 45):
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 44
Heel Contact Base Contact
Figure 45
Toe Contact Tip Contact