Tapered Wheel Bearing Replacement - HUSTLER Super 104 General Service Manual

10. Install the upper bearing. Figure 4-37
A
A. Upper bearing
B. Tapered roller bearing race
Figure 4-37
11. Install the caster fork assembly, taking care not to
damage the lower seal lip. Figure 4-36
IMPORTANT: Stack the cup washers as shown in
Figure 4-38.
A
B
C
B
A. Top nut
B. Cup down
Figure 4-38
12. Torque the top nut to 40 ft-lbs (55 N•m), then back off
¼ turn. Figure 4-38
13. Apply grease to the grease zerk until it is visible at the
top bearing. Fill the top cavity with grease.
14. Make sure that the caster fork is free to rotate by
spinning the fork one full revolution.
15. Remove the grease zerk, insert the plug into the grease
port and tighten.
16. Install the top cap.
17. Remove the jack stands and wheel chocks.

Tapered Wheel Bearing Replacement

Disassembly:
1. Raise the front of the mower enough to remove the
wheel assembly.
REV B
B
D
C. Cup up
D. Caster fork
A
B
FULLY ASSEMBLED
A. Top cap
2. Place mower securely on jack stands and do not allow
the mower to move. Chock the drive wheels.
• Use only certified jack stands. Use only
appropriate jack stands, with a minimum
weight rating of 2000 pounds (907 kg) to
block the unit up.
• Use in pairs only.
• Follow the instructions supplied with the
jack stands.
3. Remove the wheel from the fork by removing the axle
bolt, flat washers, and lock nut. Figure 4-40
4. Remove the dust caps and bushings from the wheel
housing. Retain these parts. Figure 4-41
5. Remove and discard the seals. Figure 4-41
6. Remove and discard the tapered roller bearings and
outer bearing races. Figure 4-41
7. To prevent contamination of the new tapered roller
bearings remove the existing grease from the wheel
housing.
4-16
B. Plug
Figure 4-39
125816