Groundsmaster 3500Hydraulic System Page 5 − 98
Rear Wheel Motor
1. Lug nut
2. Drive stud
3. Tire and rim assembly
4. Wheel hub
5. Hydraulic hose
6. Hydraulic hose
7. O–ring
8. 45
o
hydraulic fitting
9. Lock nut
10. Socket head screw
11. Hydraulic motor
12. Rear fork
13. O–ring
14. Woodruff key
15. Lock nut
Figure 63
13
7
12
15
8
11
5
6
1
3
10
2
4
8
7
13
14
9
300 to 400 ft−lb
(407 to 542 N−m)
70 to 90 ft−lb
(95 to 122 N−m)
Removal (Fig. 63)
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
WARNING
Before jacking up the machine, review and follow
Jacking Instructions in Chapter 1 − Safety.
2. Raise and safely support rear of machine enough to
allow the removal of the rear wheel.
3. Remove rear tire and rim assembly from machine.
4. Remove rear wheel motor with wheel hub attached
from the rear fork.
5. Secure wheel hub in a vise. Loosen but do not re-
move lock nut that secures wheel hub to wheel motor.
IMPORTANT: DO NOT hit wheel hub, wheel hub
puller or wheel motor with a hammer during wheel
hub removal or installation. Hammering may cause
damage to the wheel motor.
6. Using hub puller (see Special Tools), loosen wheel
hub from wheel motor.
7. Remove wheel hub and motor from vise. Remove
lock nut and hub from motor shaft. Locate and retrieve
woodruff key.
8. If hydraulic fittings are to be removed from wheel mo-
tor, mark fitting orientation to allow correct assembly.