Lubricating The Caster Wheel Hubs - Toro Z Master Professional 5000 Series Operator's Manual

Figure 38
6. Grease the drive-belt idler arm
Figure 39
7. Remove the dust cap and adjust the caster
pivots. Keep the dust cap off until greasing
is done. Refer to
Bearing (page 50).
8. Remove the hex plug. Thread a grease fitting
into the hole.
9. Pump grease into the grease fitting until it oozes
out around the top bearing.
10. Remove the grease fitting in the hole. Install the
hex plug and dust cap
(Figure 37).
Adjusting the Caster-Pivot
(Figure 40).
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Lubricating the Caster
Wheel Hubs
Service Interval: Yearly
1. Shut off the engine, wait for all moving parts to
stop, remove the key and engage the parking
brake.
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1. Seal guard
2. Remove the caster wheel from the caster forks.
3. Remove the seal guards from the wheel hub.
4. Remove a spacer nut 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.
5. Pry out seals, and inspect bearings for wear or
damage and replace if necessary.
6. Pack the bearings with a general-purpose
grease.
7. Insert a bearing and a new seal into the wheel.
Note:
Replace the seals.
35
Figure 40
Figure 41
2. Spacer nut with wrench
flats
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