Toro Groundsmaster 4300-D Service Manual page 179

Removing the Rear Wheel Motor
Groundsmaster ® 4300-D
16226SL Rev C
Before opening the hydraulic system, operate all the hydraulic
controls to release system pressure and avoid injury from the
pressurized hydraulic fluid; refer to
Hydraulic System (page
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, set the parking brake, and remove the key from the key switch.
2. Block the front wheels with chocks to prevent the machine from moving.
3. Loosen, but do not remove the locknut (item 7 in
the wheel hub to the wheel motor.
4. Read the General Precautions for Removing and Installing the Hydraulic
System Components (page
Before lifting the machine with a jack, review and follow
Instructions (page 1–6).
5. Lift the machine with a jack to remove the rear wheel, support the machine
with jack stands.
6. Remove the rear wheel from the machine; refer to
(page 6–6).
7. Ensure that the locknut on the wheel motor shaft is loosened at least 2 turns.
Do not hit the wheel hub, wheel-hub puller, or wheel motor with a
hammer while removing or installing. Hammering can damage the
wheel motor.
8. Use a hub puller (refer to
hub from the wheel motor.
9. Remove the locknut and wheel hub from the motor shaft. Discard the locknut.
10. Locate and retrieve the woodruff key from the wheel motor shaft.
11. Clean the hydraulic tube ends and fittings on the wheel motor to prevent
contaminants from entering into the hydraulic system.
12. Loosen and remove the hydraulic tubes from the fittings on the wheel motor.
Allow the tubes to drain into a suitable container.
13. Install clean caps or plugs on the hydraulic tubes and fittings to prevent
system contamination.
14. Support the wheel motor to prevent it from falling during removal.
15. Remove the 4 bolts (item 9 in
wheel motor to the motor housing.
16. Remove the wheel motor from the machine.
17. If the hydraulic fittings are to be removed from the wheel motor, mark the
fitting orientation for assembly purposes. Remove the fittings from the wheel
motor and discard the O-rings from the fittings.
CAUTION
Releasing Pressure from the
4–6).
4–87).
IMPORTANT
IMPORTANT
Wheel Hub Puller (page
Figure 93) and 4 lock washers that secure the
Page 4–117
Figure 93) that secures
Jacking
Removing the Wheel
4–35)) to loosen the wheel
Hydraulic System: Service and Repairs