Toro Groundsmaster 4300-D Service Manual page 173

Removing the Front 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 rear wheels with chocks to prevent the machine from moving.
3. Loosen, but do not remove the locknut (item 13 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 front wheel, support the machine
with jack stands.
6. Remove the front wheel from the machine; refer to
(page 6–6).
7. Remove the brake return spring (item 16 in
attach the brake cable to the brake actuator lever. Position the brake cable
away from the actuator lever.
8. Remove the brake drum (item 12 in
9. Ensure that the locknut (item 13 in
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.
10. Use a hub puller (refer to
hub from the wheel motor.
11. Remove the locknut and wheel hub from the motor shaft. Discard the locknut.
12. Locate and retrieve the square key from the wheel motor shaft.
13. Clean the hydraulic tube ends and fittings on the wheel motor to prevent
contaminants from entering into the hydraulic system.
14. For assembly purposes, label all the hydraulic connections at the wheel
motor.
15. Loosen and remove the hydraulic tubes from the fittings on the wheel motor.
Allow the tubes to drain into a suitable container.
16. Install clean caps or plugs on the hydraulic tubes and fittings to prevent
system contamination.
CAUTION
Releasing Pressure from the
4–6).
4–87).
IMPORTANT
Figure
Figure 91) on the wheel motor shaft is
IMPORTANT
Special Tools (page
Page 4–111
Figure 91) that secures
Jacking
Removing the Wheel
Figure 91) and clevis pin that
91) from the brake assembly.
4–31)) to loosen the wheel
Hydraulic System: Service and Repairs