Rear Axle Assembly - Toro Groundsmaster 4000-D Service Manual

Rear Axle Assembly

RIGHT
FRONT
1. Frame assembly
2. Cap screw
3. Lock washer
4. Flat washer
5. Support frame
6. Thrust washer (thick)
7. Grease fitting
Remove Rear Axle
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
CAUTION
When changing attachments, tires, or perform-
ing other service, use correct blocks, hoists,
and jacks. Make sure machine is parked on a
solid, level surface such as a concrete floor.
Prior to raising machine, remove any attach-
ments that may interfere with the safe and
proper raising of the machine. Always chock or
block wheels. Use jack stands or solid wood
blocks to support the raised machine. If the ma-
chine is not properly supported by blocks or
jack stands, the machine may move or fall,
which may result in personal injury.
Axles, Planetaries, and Brakes (Rev. B)
18
19
2
4
15
4
1 5
2
3
Figure 8
8. Rear axle assembly
9. Thrust washer (thin)
10. Washer head screw
11. Pivot pin
12. Rear frame mount
13. Washer
2. Chock front wheels and jack up rear of machine (see
Jacking Instructions in Chapter 1 − Safety). Support ma-
chine with jack stands or solid wood blocks.
3. Drain oil from rear axle and axle gearbox (see Oper-
ator's Manual).
4. Remove wheels from rear axle.
5. Remove hydraulic motor from rear axle assembly
(see Rear Axle Motor in Service and Repairs section of
Chapter 4 − Hydraulic System).
6. Remove steering cylinder from rear axle (see Steer-
ing Cylinder in Service and Repairs section of Chapter
4 − Hydraulic System).
7. Disconnect both steering cylinder hydraulic hoses
from hydraulic tubes at rear frame mount (Fig. 9). Re-
move bulkhead locknuts that secure steering cylinder
hydraulic tubes to rear frame mount. Separate tubes
from frame mount.
Page 6 − 12
17
7
13
12
11
10
9
6 8
14. Lock nut
15. Flange nut
16. Rear bumper
17. Hydraulic manifold (4WD)
18. Cap screw
19. Flange nut
Groundsmaster 4000−D
16
4
2
15
14
70 ft−lb maximum
(94 N−m)