Brake Service - Toro GroundsmasterR 4300-D Service Manual

Brake Service

25
14
23
29
30
31
32
33 16
13
27
14
3
17
RIGHT
FRONT
315 to 385 ft- -lb
(427 to 521 N- -m)
1. LH wheel motor
2. Lug nut (5 used per wheel)
3. Hub
4. Wheel assembly
5. Hydraulic fitting (2 used per motor)
6. Hydraulic tube
7. Hydraulic tube
8. Cap screw (2 used per wheel shield)
9. O- -ring
10. Hydraulic tube
11. O- -ring
Removal (Fig. 6)
1. Park the machine on a level surface, lower the cut-
ting decks and stop the engine. Remove the key from
the ignition switch.
2. Chock rear wheels to prevent machine from shifting.
Chassis
5
11
9
28
24
26
22
19
12. Lock nut (4 used per wheel motor)
13. Cap screw (4 used per wheel motor)
14. Brake bracket (2 used)
15. Lock nut (2 used per wheel shield)
16. RH wheel motor
17. Lock nut (2 used)
18. Flat washer (2 used per wheel shield)
19. Brake drum (2 used)
20. Front wheel shield (LH shown)
21. Rear wheel shield (LH shown)
22. Wheel stud (5 used per wheel)
10
6
8
18
15
20
2
4
Figure 6
3. Loosen, but do not remove, wheel lug nuts and lock
nut (item 17) from wheel motor shaft.
4. Jack up front of machine and remove front wheel as-
sembly (see Wheel Removal in this section). Make sure
to support machine with jack stands.
5. Make sure parking brake is disengaged.
Page 6 - - 8
7
12
21
9
1
28
70 to 90 ft- -lb
(95 to 122 N- -m)
23. Clevis pin (2 used)
24. LH brake assembly
25. RH brake assembly
26. Cap screw (4 used per brake assy)
27. Lock nut (4 used per brake assy)
28. Square key
29. Return spring (1 used per bracket)
30. Brake spring bracket (2 used)
31. Flange nut (1 used per bracket)
32. Jam nut (1 used per bracket)
33. Cap screw (1 used per bracket)
Groundsmaster 4300--D
5
11