4.
Remove wheel assembly and brake assembly from
4. Remove plugs from disconnected hydraulic hoses
and wheel motor ports.
the machine (see Wheel Removal and Brake Removal
in the Service and Repairs section of Chapter 6 – Chas-
sis).
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.
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.
6.
Using labels placed during the removal process,
5.
wheel motor.
Use appropriate puller to loosen wheel hub from
properly connect hydraulic hoses to wheel motor fittings
(see Hydraulic Hose and Tube Installation in the Gener-
al Information section of this chapter).
6.
Remove lock nut and loosened wheel hub from mo-
tor shaft. Locate and retrieve woodruff key from wheel
motor shaft.
7. Make sure that tapers of wheel motor shaft and
wheel hub are thoroughly clean.
7.
Thoroughly clean hydraulic hose ends and fittings on
8. Position woodruff key to keyslot in wheel motor shaft.
wheel motor to prevent hydraulic system contamination.
9.
Place wheel hub on motor shaft and secure with lock
8.
Label all hydraulic hoses and fittings for assembly
nut.
purposes (Fig. 33). Remove hydraulic hoses from fit-
tings on wheel motor. Allow hoses to drain into a suitable
container.
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).
9.
sembly. Remove hydraulic fittings from wheel motor.
Remove and discard O–rings from fittings.
Mark hydraulic fitting orientation to allow correct as-
11.
Lower the machine to the ground.
lock nut (item 1) from 300 to 400 ft–lb (407
10.Put
clean plugs in disconnected hydraulic hoses and
12.Torque
wheel motor ports to prevent system contamination.
to 502 N–m).
11.
ing removal.
Support the wheel motor to prevent it from falling dur-
13.Make
essary.
sure hydraulic tank is full. Add correct oil if nec-
12.Remove
four (4) socket head screws that secure
wheel motor to the machine.
2
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.
4
3
FRONT
1
1.
in wheel motor are facing up.
Position wheel motor to frame. Make sure that ports
Figure 33
3.
4.
1.
2.
Hydraulic tank
Transmission
RH wheel motor
LH wheel motor
2.
3.
Clean threads in frame and on socket head screws.
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
Page 4 – 49
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 7200, Toro Groundsmaster 7210 |
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|
| Document Type | Service Manual |
| Language | English |
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My mower is a TORO 7210.
Start fuse defection. Why ?