Rear Axle Assembly - Toro Groundsmaster
4000?D Service Manual

PRELIMINARY – For Toro Distributor and Toro Company use only.

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.
When changing attachments, tires or perform-
ing other service, use correct jacks and sup-
ports. Make sure machine is parked on a solid,
level surface such as a concrete floor. Prior to
raising machine, remove any attachments that
may interfere with the safe and proper raising of
the machine. Always chock or block wheels. Use
jack stands to support the raised machine. If the
machine is not properly supported by jack
stands, the machine may move or fall, which
may result in personal injury.
Axles, Planetaries and Brakes
4
1
8. Rear axle assembly
9. Thrust washer (thin)
10. Washer head screw
11. Pivot pin
12. Rear frame mount
13. Washer
CAUTION
18
19
2
15
4
5 6
2
3
Figure 8
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.
4. Remove wheels from rear axle.
5. Remove hydraulic motor from rear axle assembly
(see Rear Axle Motor in the Service and Repairs section
of Chapter 4 − Hydraulic System).
6. Remove steering cylinder from rear axle (see Steer-
ing Cylinder in the Service and Repairs section of Chap-
ter 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
16
4
2
15
7
14
13
12
11
See text for
10
tightening
procedure
9
8
14. Lock nut
15. Flange nut
16. Rear bumper
17. Hydraulic manifold (4WD)
18. Cap screw
19. Flange nut
Groundsmaster 4000−D