Toro 30857 - Rear Axle Assembly

Groundsmaster 4500--D/4700--DPage 6 -- 14Axles, Planetaries and Brakes
Rear Axle Assembly
1. Steering cylinder
2. Needle bearing
3. External snap ring
4. External snap ring
5. Thrust washer
6. Flat washer
7. Lock nut
8. Grease fitting
9. Cap screw (2 used)
10. Flat washer (2 used)
11. Piston motor
12. O--ring
13. Pinion gear
14. Gear
15. Stop pin
16. Hydraulic fitting
17. Rear wheel assembly (2 used)
18. Lug nut (5 used per wheel)
19. Hex plug
20. O--ring
21. Drive axle assembly
22. Axle pivot pin
Figure 9
70 ft--lb (94 N--m) maximum
FRONT
RIGHT
1
2
3
13
4
14
12
9
10
11
17
21
20
19
18
22
5
6
8
7
16
15
85 to 100 ft--lb
(116 to 135 N--m)
5
CAUTION
When changing attachments, tires or perform-
ingotherservice,usecorrectblocks,hoistsand
jacks to raise and support machine. Make sure
machine is parked on a solid level surface such
as a concrete floor. Prior to raising machine, re-
move any attachments that may interfere with
the safe and proper raising of the machine. Al-
ways chock or block wheels. Use appropriate
jackstandstosupportthe raisedmachine.Ifthe
machine is not properly s upported by jack
stands, the machine may move or fall, which
may result in personal injury.
Remove Rear Axle (Fig. 9)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Drain oil from rear axle and axle gearbox.
3. Chockfrontwheelsandjackuprearofmachine(see
JackingInstructionsinChapter1-- Safety).Supportma-
chine with appropriate jack stands.
4. Remove both wheels from rear axle.
5. Remove hydraulic motor from axle assembly (see
Rear Axle Motor in the Service and Repairs section of
Chapter 4 -- Hydraulic System).
6. Remove hydraulic hoses from steering cylinder.