Toro Groundsmaster 7200 Service Manual page 185

IMPORTANT: If wheel hub removal is necessary, do
not hit wheel hub or hub puller with a hammer dur-
ing removal. Hammering may cause damage to the
hydraulic wheel motor or wheel hub.
8. If necessary, use wheel hub puller to loosen wheel
hub from the wheel motor shaft. Remove loosened lock
nut and wheel hub from wheel motor. Remove woodruff
key from the shaft.
Installation (Fig. 4)
1. If wheel hub was removed:
A. Make sure that wheel hub and wheel motor shaft
are cleaned thoroughly.
B. Install key to the slot on the wheel motor shaft.
Slide wheel hub onto the shaft.
C. Secure wheel hub to the motor shaft with lock nut.
2. Place two (2) hardened washers on brake mounting
screws (Figs. 5 and 6).
IMPORTANT: When installing brake to brake sup-
port, take care to not get Loctite on brake pad sur-
face.
3. Apply Loctite #271 (or equivalent) to threads of brake
mounting screws. Secure parking brake to brake sup-
port with two (2) lock nuts. Torque lock nuts from 35 to
40 ft–lb (48 to 54 N–m).
4. Place brake support (with parking brake assembly
attached) to wheel hub disc and frame making sure that
disc is between the two (2) stators (brake pads) in the
brake assembly.
5. Place four (4) cap screws and flange nuts in mount-
ing holes of brake support and frame but do not fully
tighten.
6. Adjust position of brake support so that the clear-
ance between the wheel hub disc and both springs in the
parking brake (Fig. 7) is from 0.030" to 0.070" (0.8 to
1.7 mm). When clearance is correct, fully tighten fasten-
ers.
7. Attach brake rod assembly to parking brake lever
with flat washer and retaining ring.
8. Secure wheel to machine with five (5) lug nuts.
9. Lower wheel to ground. Torque wheel lug nuts in a
crossing pattern from 75 to 85 ft–lb (102 to 115 N–m).
10.If wheel hub was removed, apply parking brake and
torque lock nut (item 6) from 300 to 400 ft–lb (407 to 542
N–m). Release parking brake.
11. Check parking brake and brake switch operation.
Groundsmaster 7200/7210
35 to 40 ft–lb
(48 to 54 N–m)
2
4
Loctite #271
1. Parking brake assembly
2. Lock nut
2
1
1. Wheel hub
2. Parking brake assembly
3. Lock nut
1. Brake swivel
2. Caliper brake lever
3. Wheel hub disc
Page 6 – 9
3
Figure 5
3. Brake support
4. Hardened washer
3
4
5
Figure 6
4. Brake support
5. Hardened washer
1
2
5
Figure 7
4. Hardened washer
5. Clearance
Chassis
1
4
3