Toro Groundsmaster 7200 Service Manual page 85

4. Remove wheel assembly and brake assembly from
the machine (see Wheel Removal and Brake Removal
in the Service and Repairs section of Chapter 6 – Chas-
sis).
IMPORTANT: DO NOT hit wheel hub, wheel hub
puller or wheel motor with a hammer during removal
or installation. Hammering may cause damage to
the wheel motor.
5. Use appropriate puller to loosen wheel hub from
wheel motor.
6. Remove lock nut and loosened wheel hub from mo-
tor shaft. Locate and retrieve woodruff key from wheel
motor shaft.
7. Thoroughly clean hydraulic hose ends and fittings on
wheel motor to prevent hydraulic system contamination.
8. Label all hydraulic hoses and fittings for assembly
purposes (Fig. 33). Remove hydraulic hoses from fit-
tings on wheel motor. Allow hoses to drain into a suitable
container.
9. Mark hydraulic fitting orientation to allow correct as-
sembly. Remove hydraulic fittings from wheel motor.
Remove and discard O–rings from fittings.
10.Put clean plugs in disconnected hydraulic hoses and
wheel motor ports to prevent system contamination.
11. Support the wheel motor to prevent it from falling dur-
ing removal.
12.Remove four (4) socket head screws that secure
wheel motor to the machine.
13.Remove wheel motor from frame.
Installation (Fig. 32)
IMPORTANT: Because of internal differences in
wheel motors, DO NOT interchange wheel motors
on machine (i.e. do not put RH motor on left side of
machine). If necessary, use parts catalog and part
number on wheel motor to identify RH and LH mo-
tors.
1. Position wheel motor to frame. Make sure that ports
in wheel motor are facing up.
2. Clean threads in frame and on socket head screws.
3. Apply Loctite #271 (or equivalent) to threads of sock-
et head screws. Secure wheel motor to frame with four
(4) socket head screws.
Groundsmaster 7200/7210
4. Remove plugs from disconnected hydraulic hoses
and wheel motor ports.
5. Lubricate and install new O–rings to hydraulic fit-
tings. Install fittings into wheel motor ports (see Hydrau-
lic Fitting Installation in the General Information section
of this chapter). Make sure that fittings are orientated
correctly.
6. Using labels placed during the removal process,
properly connect hydraulic hoses to wheel motor fittings
(see Hydraulic Hose and Tube Installation in the Gener-
al Information section of this chapter).
7. Make sure that tapers of wheel motor shaft and
wheel hub are thoroughly clean.
8. Position woodruff key to keyslot in wheel motor shaft.
9. Place wheel hub on motor shaft and secure with lock
nut.
10.Install brake assembly and wheel assembly to the
machine. Make sure that proper clearance exists be-
tween brake assembly and wheel hub rotor (see Wheel
Installation and Brake Installation in the Service and Re-
pairs section of Chapter 6 – Chassis).
11. Lower the machine to the ground.
12.Torque lock nut (item 1) from 300 to 400 ft–lb (407
to 502 N–m).
13.Make sure hydraulic tank is full. Add correct oil if nec-
essary.
3
FRONT
1. Hydraulic tank
2. Transmission
Page 4 – 49
2
4
1
Figure 33
3. RH wheel motor
4. LH wheel motor
Hydraulic System