Differential Gear
The following procedures assume the rear axle assem-
bly has been removed from the machine.
35
to 41 ft--lb
1
5
(47 to 56 N--m)
Removal
2
6
1.
Bevel Gear Case/Axle Case Assembly in this section of
this manual).
Remove bevel gear case/axle case assemblies (see
IMPORTANT:
Do not interchange right and left dif-
ferential shafts assemblies.
7
4
2.
Mark and pull the differential shaft assemblies from
3
the axle support.
35 to 41 ft--lb
(47 to 56 N--m)
3.
Remove input shaft/pinion gear assembly, shims,
and O-ring from the axle support (Fig. 30).
Figure 30
5.
6.
7.
1.
2.
3.
4.
Gear Case
Case screw
Differential gear
O-ring
4.
Remove the axle support case screws. Separate the
axle support halves and remove the O-ring.
Pinion Gear
Axle support (left)
Axle support (right)
5.
and adjusting shims from the axle case.
Remove the differential gear assembly, bearings,
2
6.
punch and hammer. Discard the spring pin (Fig. 31).
Drive the spring pin from the differential case with a
1
NOTE: Mark and arrange all components so they can
be reassembled in their original position.
7.
Remove the differential pinion shaft, pinion gears,
and pinion washers. Remove the differential side gears
and side gear shims. Remove the ring gear only if it will
be replaced (Fig. 32).
NOTE: Replacement ring gears are only available in
matched ring and pinion sets.
Figure 31
2.
1.
Differential case
Spring pin
1
3
2
4
5
5
4
22
to 25 ft--lb
2
(
30 to 34 N--m)
3
Thread--locking
Compound
7
6
Figure 32
1.
2.
3.
4.
Differential pinion shaft
Pinion gear
5.
6.
7.
Side gear shims
Ring gear
Differential case
Pinion washer
Side gear
Axles, Planetaries, and Brakes (Rev. B)
Page 6 -- 22
Groundsmaster 4500--D/4700--D
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