Lubricating The Caster-Wheel Hubs - Toro Z Master Commercial 3000 Series Operator's Manual

Figure 38
6. Remove the dust cap and adjust the caster
pivots.
Note:
Keep the dust cap off until greasing is
complete. Refer to
Bearing (page 46).
7. Remove the hex plug and thread a grease fitting
into the hole.
8. Pump grease into the fitting until it oozes out
around the top bearing.
9. Remove the grease fitting from the hole.
10. Install the hex plug and dust cap
Figure 39
Adjusting the Caster-Pivot
(Figure 39).
Lubricating the
Caster-Wheel Hubs
Service Interval: Yearly
1. Shut off the engine, wait for all moving parts to
stop, and remove the key. Engage the parking
brake.
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1. Seal guard
2. Raise the front of the machine up and support it
with jack stands.
3. Remove the caster wheel from the caster forks.
4. Remove the seal guards from the wheel hub.
5. Remove 1 of the spacer nuts from the axle
assembly in the caster wheel.
Note:
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 the 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 1 bearing and 1 new seal into the wheel.
Note:
Replace the seals.
9. If the axle assembly has had both spacer nuts
removed (or broken loose), apply a thread
locking adhesive to 1 spacer nut and thread
g027339
it onto the axle with the wrench flats facing
outward.
Note:
Do not thread the spacer nut all the way
onto the end of the axle. Leave approximately
3 mm (1/8 inch) from the outer surface of the
spacer nut to the end of the axle inside the nut.
10. Insert the assembled nut and axle into the wheel
on the side of the wheel with the new seal and
bearing.
34
Figure 40
2. Spacer nut with wrench
flats
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