Toro Groundsmaster 455-D Service Manual page 204

4. After obtaining proper pinion backlash, grease o-ring
and fit it to mating face of axle housing. Secure gear
case to housing by tightening bolts to the following
torque value:
Torque specification
Reassembling Wheel Shaft
1. Grease oil seal and fit it to bearing holder.
2. Insert shaft into holder. Install ball bearing and retain
bearing by installing circlip.
3. Mount bevel gear (29T) on splined end of shaft.
4. Fit bearing holder (complete with shaft and bevel
gear) to final case and temporarily secure it bolting.
Leave bolts lightly tightened.
NOTE: Inner ball bearing is left out at this time.
5. Check backlash between bevel gear (29T) and pinion
(15T) by installing dial indicator on tip of wheel shaft.
Adjust shim between bevel gear (29T) and ball bearing
if reading is outside of specification:
Bevel gear (29T) backlash
Shim stock for this adjustment is available in the follow­
ing thicknesses:
Thickness
Shim set
0.1 mm (0.004 in.)
0.2 mm (0.008 in.)
0.4 mm (0.016 in.)
6. After obtaining proper backlash, remove bearing
holder. Apply Loctite 680 (or equivalent) to inner race
bore of bearing. Press inner race of bearing onto wheel
shaft and clean off excess Loctite. Install outer portion
of bearing. Apply sealant to mating face of final case and
attach holder. Tighten bolts to following torque value:
Torque specification
7. Use a torque wrench as shown to check final case for
torque required to turn it around gear case and make
sure that no more than 0.03 kg-m (0.22 ft-lb) is required.
Repairs
5.0 ∼ 6.0 kg-m
(36 ∼ 43 ft-lb)
0.2 ∼ 0.4 mm
(0.008 ∼ 0.016 in.)
Part no.
77-4030
76-7890
76-7900
76-7910
Add Loctite to
i nner race bore
2.5 ∼ 3.0 kg-m
(18 ∼ 22 ft-lb)
Page 6 - 22 Rev. C
Figure 40
Figure 41
2 piece inner
wheel bearing
Flange of inner race
faces bevel gear
Figure 42
Figure 43
Groundsmaster
®
455-D