Toro Groundsmaster 300 Series Service Manual page 294

Rear Axle Repair
16 - 20 ft-lb
Shim for
backlash adjustment
1. Remove bolts (Fig. 12, Item 60) securing axle tubes
(Item 16, 61) to differential case (Item 24). Separate axle
tubes and axles from differental case.
2. Remove bolts (Fig. 12, Item 60) securing axle tubes
(Item 16, 61) to gearbox housings (Fig. 13, Item 23) of
knuckle assemblies. Separate axle tubes and axles
from knuckle assemblies.
3. Disassemble knuckle assembly (Fig .13):
A. Remove bolts (Item 28, 39) securing covers
(Item 30, 26) to knuckle case (Item 28).
B. Pull out outer axle shaft (Item 35) and bevel gear
(Item 5).
C. Remove capscrews (Item 10) securing knuckle
arm (Item 8) to knuckle case (Item 28). Pull off
knuckle arm toward upper side and pull off case
toward bottom.
D. Remove capscrews (Item 13) and remove bear-
ing retainer (Item 15). Remove bevel gear (Item 18)
and knuckle pin (Item 20).
Repairs
Apply Loctite
20 - 24 ft-lb
16 - 20 ft-lb
Tighten to pre-load
bearings. Pinion shaft
should rotate with
2.0 - 5.5 in-lb torque
Figure 12
4. Disassemble differential case (Fig. 12):
A. Remove bolts (Item 53, 56) and remove clutch
cover (Item 53).
B. Remove bolts (Item 40) and remove bearing case
(Item 38) and pinion gear (Item 30) from differential
case (Item 24).
C. Remove bolts (Item 1) and remove cover (Item 2).
Remove differential assembly from differential case.
C. Remove bolts (Item 7) to disassemble differential.
Inspection
Inspect shaft splines, gears and bearings for wear and
damage. Replace parts as necessary. Use suitable
bearing pullers and an arbor press when replacing
bearings.
NOTE: Ring gear (Item 6) and pinion (Item 30) are a
matched set that must be replaced together.
Page 10 - 8
Measure
backlash here:
0.003 - 0.01"
Shim for bevel gear to pin-
ion contact adjustment
®
Groundsmaster 300 Series