Differential Gear
The following procedures assume the rear axle assem-
bly has been removed from the machine.
35
to 41 ft--lb
1
(47 to 56 N--m)
Removal
1.
Bevel Gear Case/Axle Case Assembly in this section of
this manual).
Remove bevel gear case/axle case assemblies (see
2
5
IMPORTANT: Do not interchange right and left dif-
ferential shafts assemblies.
4
7
2.
the axle support.
Mark and pull the differential shaft assemblies from
6
35
(47
to 41 ft--lb
to 56 N--m)
3
3.
Remove input shaft/pinion gear assembly, shims
and O-ring from the axle support (Fig. 32).
Figure 32
1.
2.
3.
4.
Gear Case
5.
6.
7.
Case screw (8 used)
Differential gear
O-ring
4.
axle support halves and remove the O-ring.
Remove the axle support case screws. Separate the
Pinion Gear
Axle support (left)
Axle support (right)
5.
Removethedifferentialgearassembly,bearingsand
adjusting shims from the axle case.
2
6.
punch and hammer. Discard the spring pin (Fig. 33).
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. 34).
NOTE: Replacement ring gears are only available in
matched ring and pinion sets.
Figure 33
1.
Differential case
2.
Spring pin
4
1
3
2
5
Thread--locking
Compound
2
3
4
5
8
6
22
(30
to 25 ft--lb
to 34 N--m)
7
Figure 34
1.
2.
3.
4.
Differential pinion shaft
Pinion gear
Pinion washer
Side gear
5.
6.
7.
8.
Side gear shims
Ring gear
Differential case
Bolt/washer (8 used)
Axles, Planetaries and Brakes
Page 6 -- 26
Groundsmaster 4500--D/4700--D
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