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Lubrication
Use high-temperature grease.
1.
Disengage the PTO 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.
Clean the grease fittings with a rag.
Note:
Make sure to scrape any paint off the
front of the fitting(s).
4.
Connect a grease gun to the fitting.
5.
Pump grease into the fittings until grease begins
to ooze out of the bearings.
6.
Wipe up any excess grease.
Greasing the Accessory
Frame
Grease the pivots of the accessory frame at the
locations shown in
Figure
Figure 28
1. Grease these pivots.
Greasing the Front Caster
Pivots
Service Interval: Yearly
1.
Remove the dust cap and adjust the caster
pivots; refer to
Adjusting the Caster-Pivot
Bearing (page
40).
Note:
Keep the dust cap off until you have
finished greasing the caster pivots.
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.
28.
5.
Remove the grease fitting from the hole.
6.
Install the hex plug and dust cap.
Greasing the Caster-Wheel
Hubs
Service Interval: Yearly
1.
Shut off the engine, wait for all moving parts to
stop, engage the parking brake, and remove
the key.
2.
Remove the caster wheel from the caster forks.
3.
Remove the seal guards from the wheel hub
(Figure
29).
1. Seal guard
4.
Remove 1 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.
g193333
Remove the axle (with the other spacer nut still
assembled to it) from the wheel assembly.
5.
Pry out the seals, inspect bearings for wear or
damage, and replace them if necessary.
6.
Pack the bearings with a general-purpose
grease.
7.
Insert 1 bearing and 1 new seal into the wheel.
Note:
You must replace the seals.
8.
If both spacer nuts in the axle assembly
have been removed (or broken loose), apply
a thread-locking adhesive to 1 spacer nut,
threading it onto the axle with the wrench flats
facing outward.
Note:
Do not thread 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.
26
Figure 29
2. Spacer nut with wrench
flats
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