Gear Pattern Movement Summary - Toro Groundsmaster 4500-D Series Service Manual

Gear Pattern Movement Summary

Groundsmaster ® 4500-D/4700-D
19245SL Rev A
Heel Contact
g276540
Every gear has a characteristic pattern. The illustrations show typical patterns
only and explain how patterns shift as gear location is changed.
1. If contact is toward the heel or base of the gear
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.
T o e C
g276541
2. If contact is toward the toe or tip of the gear
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 274
o n a t t c
Figure 275
Page 7–45 Axles, Planetaries and Brakes: Service and Repairs
Base Contact
(Figure 274):
T p i C o n a t t c
(Figure 275):