Toro 04384 Service Manual page 185

Removal (Fig. 6)
1. Park the machine on a level surface, engage the
parking brake, lower the cutting units and stop the en-
gine. Remove key from the ignition switch.
2. Loosen, but do not remove, lug nuts (item 23).
3. Chock both front wheels to prevent the machine from
moving.
4. Use a jack or hoist to lift rear wheel off the ground and
then place appropriate jackstands beneath the frame to
support the raised machine.
CAUTION
Support wheel (item 25) and motor and hub as-
sembly (item 2) to prevent dropping the assem-
bly and causing personal injury.
5. Remove wheel (item 25) and hub and hydraulic mo-
tor assembly (item 2) from the castor fork as follows:
A. Support rear wheel assembly to prevent it from
falling.
B. Remove three (3) cap screws (item 10) and lock
nuts (item 11) that secure flangettes (items 6 and 8),
bearing adapter plate (item 21) and mount spacer
(item 9) to castor fork.
C. Remove both socket head screws (item 12) and
lock nuts (item 13) securing the hydraulic motor and
hub assembly to the castor fork.
D. Carefully lower wheel, hub and motor assembly
from the castor fork.
E. Position wheel, hub and motor assembly so that
wheel can be removed. Take care to not damage hy-
draulic hoses.
6. Loosen set screws (item 24) on bearing (item 5).
Slide flangettes (items 6 and 8) and bearing from the hy-
draulic motor shaft.
7. Remove grease fitting (item 22) from the hub assem-
bly.
8. Remove four (4) lug nuts (item 23) and wheel assem-
bly from the hub drive studs.
NOTE: If wheel hub and motor assembly need to be
serviced, see Rear Wheel Hub and Motor Assembly in
this section. If castor fork removal is necessary, see
Rear Castor Fork in this section.
Greensmaster 3250--D
Installation (Fig. 6)
1. Slide wheel assembly onto the drive studs. Secure
wheel to wheel hub assembly with four (4) lug nuts (item
23). Torque lug nuts evenly in a crossing pattern to a
torque from 70 to 90 ft- -lb (95 to 122 N- -m).
2. Reinstall grease fitting (item 22) into hub assembly
so it points away from the wheel.
3. Install flangette (item 8), bearing (item 5) and relube
flangette (item 6) onto the motor shaft.
4. Carefully position hydraulic motor and hub assem-
bly, flangettes with bearing and wheel into the castor
fork. Make sure hose fittings on the motor face to the
rear.
5. Secure hydraulic motor and hub assembly loosely to
the left inside of the castor fork with both socket head
screws (item 12) and lock nuts (item 13).
6. Position relube flangette so that grease fitting (item
7) faces downward.
7. Secure flangettes (items 6 and 8), bearing (item 5)
and adapter plate (item 21) loosely to the right inside of
the castor fork with cap screws (item 10), mount spacer
(item 9) and lock nuts (item 11).
8. Torque both socket head screws (item 12) to 100 ft- -
lb (135 N- -m).
9. Torque cap screws (item 10) to 40 ft- -lb (55 N- -m).
10.Apply loctite to both set screws (item 24). Torque
both screws from 80 to 100 in- -lb (9 to 11 N- -m).
11. Lower machine to ground.
12.If the hydraulic system was opened, follow Hydraulic
System Start--up procedures (see Hydraulic System
Start--up in the Service and Repairs section of Chapter
4 -- Hydraulic System).
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