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Figure 38
5. Grease the drive-belt idler arm (Figure 37).
Figure 39
6. Remove the dust cap and adjust the caster pivots.
Keep the dust cap off until greasing is done. Refer to
Adjusting the Caster Pivot Bearing in Maintenance.
7. Remove the hex plug. Thread a grease fitting into the
hole.
8. Pump grease into the grease fitting until it oozes out
around the top bearing.
9. Remove the grease fitting in the hole. Install the hex
plug and dust cap (Figure 40).
Lubricating the Caster Wheel
Hubs
Service Interval: Yearly
1. Stop the engine, wait for all moving parts to stop, and
remove the key. Engage the parking brake.
1. Seal guard
2. Raise the front of the machine up, and support it with
jack stands (or equivalent support) just high enough to
allow the front wheels to turn freely.
3. Remove the caster wheel from the caster forks.
4. Remove the seal guards from the wheel hub.
5. Remove one of the spacer nuts from the axle assembly
in the caster wheel. Note that thread-locking adhesive
has been applied to lock the spacer nuts to the axle.
Remove the axle (with the other spacer nut still
assembled to it) from the wheel assembly.
6. Pry out seals, and inspect the bearings for wear or
damage and replace them if necessary.
7. Pack the bearings with a general-purpose grease.
8. Insert one bearing, one new seal into the wheel.
Note: The seals must be replaced.
34
Figure 40
Figure 41
2. Spacer nut with wrench
flats
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