g009030
Figure 46
Greasing the Caster-Wheel
Bearings
Service Interval:
Yearly—Grease the front caster
pivots (more often in dirty or dusty
conditions).
Yearly—Repack the front caster-wheel bearings
(more often in dirty or dusty conditions).
1.
Remove the dust cap and adjust the caster
pivots.
Note:
Keep the dust cap off until greasing is
done.
2.
Remove the hex plug.
3.
Thread a grease fitting into the hole.
4.
Pump grease into the fitting until it oozes out
around the top bearing.
5.
Remove the grease fitting in the hole.
6.
Install the hex plug and dust cap (
).
g029643
Figure 47
7.
Grease the caster-wheel bearings (
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.
g006115
Figure 48
1.
Seal guard
2.
Spacer nut with wrench
flats
2.
Raise the mower for access.
3.
Remove the caster wheel from the caster forks.
4.
Remove the seal guards from the wheel hub.
5.
Remove a spacer nut from the axle assembly in
the caster wheel.
Note:
Thread-locking adhesive has been
applied to lock the spacer nuts to the axle.
6.
Remove the axle (with the other spacer nut still
assembled to it) from the wheel assembly.
7.
Pry out seals and inspect bearings for wear or
damage and replace if necessary.
8.
Pack the bearings with a general-purpose
grease.
9.
Insert 1 bearing and 1 new seal into the wheel.
Note:
Replace the seals.
10.
If the axle assembly is missing both spacer nuts,
apply a thread-locking adhesive 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.
11.
Insert the assembled nut and axle into the wheel
on the side of the wheel with the new seal and
bearing.
37