Axle Shafts (4 Wheel Drive Axle)
The following procedures assume the 4WD rear axle as-
sembly has been removed from the machine.
17
(23
to 20 ft−lb
to 27 N−m)
Removal
1
4
1.
Remove the axle cover mounting screws. Remove
3
the axle cover from the axle case as an assembly
(Fig. 75).
2.
Use a bearing puller to remove the bearing and bevel
gear as shown (Fig. 76).
3.
Remove the shims, spacer and retaining ring. Drive
2
the axle out of the bearing and cover. Remove and dis-
card the axle shaft seal.
Figure 75
1.
2.
Axle case
3.
4.
Mounting screw
O-ring
Axle cover assembly
4.
Inspect all gears, shafts, bearings, spacers and
cases for damage and wear. Replace components as
necessary.
Installation
1
2
1.
Coat new axle shaft seal with grease and install in
axle cover as shown (Fig. 77).
2.
axle shaft. Press only on the inner race of the cover
bearing (Fig. 77).
Press the axle cover and bearing assembly onto the
4
5
3
3.
Install retaining ring, spacer, and correct combina-
tion of bearing shims. Install bevel gear and bearing.
4.
Coat a new O-ring with grease and install the axle
cover assembly. Tighten axle cover screws from 17 to 20
ft-lb (23 to 27 N−m).
Figure 76
4.
5.
1.
2.
3.
Bearing
Bevel gear
Shims
Spacer
Retaining ring
1
4
2
3
Figure 77
3.
4.
1.
2.
Axle shaft seal
Axle cover
Bearing
Axle shaft
Groundsmaster 3280−D/3320
Page 8 − 41
Drive Axles
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