Caster Wheel Replacement - Toro Z MASTER 2000 Series Service Manual

Caster Wheel Replacement

Caster Wheel Disassembly
Caster Wheel Assembly
Chassis: Service and Repairs
g336095
1. Caster Fork
2. Screw
3. Seal Guard
1. Park the machine on a level surface and disengage the PTO. Stop the
engine, wait for all moving parts to stop and remove the key. Engage the
parking brake.
2. Raise and support the unit so that the front wheels are off the ground.
3. Remove the caster wheel from the caster fork.
4. Remove the seal guards from the wheel hub.
5. Remove a spacer nut from the axle assembly.
Note: Thread locking adhesive has been applied to lock the spacer nuts
to the axle.
6. Remove the axle from the wheel assembly with the second spacer nut still
attached.
7. Pry out the seals and remove the bearings.
8. Inspect the bearings for wear or damage and replace if necessary.
Note: Bearing seals must be replaced after removal. Do not reuse bearing
seals.
1. Ensure that the wheel is clean and free of debris or excessive wear.
2. Pack the 2 tapered bearings with grease.
3. Insert 1 bearing and seal into the wheel.
4. Insert the assembled spacer nut and axle into the wheel.
5. With the open end of the wheel facing up, fill the area inside the wheel,
around the axle, full of grease.
6. Insert the second bearing and seal into the wheel.
Figure 23
4. Lock Nut
5. Wheel Assembly
Page 5–10 2000 Series Z MASTER® Service Manual
3438-778 Rev A