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Figure 54
12.
Grease the caster-wheel bearings
Greasing the Caster Pivots
Service Interval: Every 400 hours/Yearly (whichever
comes first) (more often in dirty or
dusty conditions).
Yearly—Repack the caster-wheel bearings
(more often in dirty or dusty conditions).
1.
Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Remove the dust cap and adjust the caster
pivots and keep the dust cap off until greasing is
done; refer to
Greasing the Mower Deck (page
45).
4.
Remove the hex plug.
5.
Thread a grease fitting into the hole.
6.
Pump grease into the fitting until it oozes out
around the top bearing.
7.
Remove the grease fitting from the hole. Install
the hex plug and cap.
Greasing the Caster-Wheel
Hubs
Service Interval: Yearly
1.
2.
3.
4.
g027339
5.
(Figure
54).
1. Seal guard
6.
7.
8.
9.
10.
11.
12.
46
Park the machine on a level surface, disengage
the blade-control switch, and engage the parking
brake.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
Raise the mower for access.
Remove the caster wheel from the caster forks.
Remove the seal guards from the wheel hub.
Figure 55
Remove a spacer nut from the axle assembly in
the caster wheel.
Note:
Thread-locking compound 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.
Pry out seals and inspect bearings for wear or
damage and replace if necessary.
Pack the bearings with a general-purpose
grease.
Insert 1 bearing and 1 new seal into the wheel.
If the axle assembly is missing both spacer nuts,
apply a thread-locking compound to 1 spacer
nut and thread it onto the axle with the wrench
flats facing outward.
Note:
Do not thread the spacer nut all of
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.
Insert the assembled nut and axle into the wheel
on the side with the new seal and bearing.
g006115
2. Spacer nut with wrench
flats
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