Toro 07359 Operator's Manual page 29

6. Remove the spindle nut from the spindle, and separate
the hub and rotor assembly from the spindle
29 and Figure 30).
1. Hub and rotor assembly
7. Wipe clean the spindle with a rag.
8. Repeat the procedure for the hub and rotor at the other
side of the machine.
Greasing the Wheel Bearings
1. Remove the outboard bearing and bearing race from
the hub (Figure 31).
1. Outboard bearing
2. Outboard-bearing race
3. Bearing cavity (hub)
2. Remove the seal, inboard bearing and bearing race
from the hub (Figure
3. Wipe clean the seal and check for wear and damage.
Note: Do not use cleaning solvent to clean the seal.
Replace the seal if it is worn or damaged.
4. Clean the bearings and races, and check these parts for
wear and damage.
Note: Replace all worn or damaged parts. Ensure that
the bearings and races are clean and dry.
5. Clean the cavity of the hub of all grease, dirt, and debris
(Figure 31).
6. Pack the bearings with the specified grease.
Figure 30
2. Spindle
Figure 31
4. Inboard-bearing race
5. Inboard bearing
6. Seal
31).
7. Install the inboard and outboard bearing races into the
(Figure hub (Figure
Note: Ensure that the races are fully seated in the
bores of the hub.
8. Fill the cavity of hub 50 to 80% full of the specified
grease
9. Assemble the inboard bearing onto the race at the
inboard side of the hub and install the seal
10. Repeat the procedure for the bearings for the other
hub.
Installing the Hub and Rotor
1. Apply a light coat of the specified grease to the spindle
(Figure
1. Retainer
2. Spindle nut
3. Tab washer
4. Outer bearing
2. Assemble the hub and rotor onto the spindle with the
rotor inboard
3. Assemble the outboard bearing onto the spindle and
seat the bearing to the outboard race
4. Assemble the tab washer onto the spindle
5. Thread the spindle nut onto the spindle and tighten the
nut while rotating the hub
Note: Tighten the nut and rotate the spindle until the
bearings are fully seated and the hub has no linear-end
movement.
6. Loosen the spindle nut until the hub rotates freely.
7. Torque the spindle nut to 170 N-cm (15 in-lb) while
rotating the hub.
29
31).
(Figure 31).
32).
Figure 32
5. Hub, rotor, inner bearing,
race, and seal
6. Spindle
7. Holes (brake mount of the
spindle frame)
(Figure 32).
(Figure
(Figure 31).
(Figure 32).
(Figure 32).
32).