Toro Groundsmaster 3280-D Service Manual page 373

Assembling the Front Axle (continued)
Groundsmaster ® 3280-D/3320
05138SL Rev B
g225921
3. Put the front housing on a press. Use a press plate, push new pinion outer
bearing cup into the housing until it bottoms in the housing
Correct engagement between the ring gear and pinion gear is critical
to axle performance and durability.
Note: A complete upper housing assembly for differential repairs is available.
Using this assembly eliminates the need for shimming to establish the correct
contact pattern between the ring and pinion gears.
4. Determine the correct inner bearing shims for use with ring and pinion gear
sets:
A. When you install the original ring and pinion gears, the original bearing
shims or new shims of the same thickness should be used. In this case,
proceed directly to step 5.
g225922
Figure 231
IMPORTANT
Figure 232
Page 8–31
(Figure 231).
Drive Axles: Service and Repairs