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Wheel Motor Removal and Installation (Fig. 27)
1
2
3
4
5
26
27
28
29
30
22
25
6
7
8
9
10
21
31
32
33
34
35
36
37
11
12
13
14
15
16
17
18
19
20
17
250 to 400 ft-lb.
23 24
Torque to
Figure 27
1. Park machine on a level surface, engage parking
brake, open hood and disconnect engine spark plug
wires. Lift drive wheel off the ground using a jack. Block
front and rear of other wheels.
2. Remove wheel nuts (Item 23) and remove wheel.
Remove large nut (Item 22) from wheel hub.
3. Mount a wheel puller to wheel mount studs and
remove wheel hub (Item 19) and brake drum (Item 18).
Remove key (Item 7) from wheel motor shaft.
IMPORTANT: To prevent damage to wheel motor,
DO NOT hit wheel hub with a hammer during re-
moval or installation.
4. Disconnect hydraulic lines from fittings on wheel
motor. Put caps on open lines and fittings to prevent
contamination. Put labels on hydraulic lines for proper
reinstallation.
5. Remove four (4) capscrews (Item 1), nuts (Item 27)
and lockwashers (Item 28) to remove wheel motor
(Item 6) and brake brackets (Item 29) from steering arm
(Item 37).
6. Reverse steps 1 - 6 to install wheel motor. When
installing wheel hub onto motor shaft, tighten large nut
(Item 22) to 250 - 400 ft-lb.
Repairs Page 4 - 22 Hydroject 3010