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Lubricating the Casters
Grease type: National Lubricating Grease Institute
(NGLI) grade No. 2 multi-purpose gun grease.
Greasing the Caster Pivots
Service Interval: Yearly
1.
Remove cap and hex plug from the top of the
caster pivot
(Figure
Figure 32
1. Hex plug
2. Grease fitting
2.
Thread grease fitting in hole
3.
Pump grease into the fitting until grease oozes
out around top bearing
4.
Remove grease fitting and install the plug that
you removed in
1 (Figure
5.
Install the cap that you removed in step
32).
6.
Repeat steps
1
through
32).
3. Caster pivot
4. Cap
(Figure
32).
(Figure
32).
32).
1 (Figure
5
to the other caster.
Lubricating the Caster-Hubs
Bearings
Service Interval: Yearly
Removing the Caster-Wheel Assembly
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Lift the front of the machine and support it with
jack stands.
3.
Remove the wheel nut and bolt, and remove the
caster-wheel assembly from the fork
1. Wheel bolt
2. Caster-wheel assembly
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Disassembling the Caster-Wheel Hub and
Greasing the Bearings
Service Interval: Yearly
Important:
Use new bearing seals when
lubricating the caster-wheel hubs.
Important:
To prevent seal and bearing damage,
check the bearing adjustment often. Spin the
caster tire. The tire should not spin freely (more
than 1 or 2 revolutions) or have any side play. If
the wheel spins freely, adjust torque on spacer
nut until there is a slight amount of drag. Apply
thread-locking compound.
Grease type: National Lubricating Grease Institute
(NGLI) grade No. 2 multi-purpose gun grease.
1.
Remove the 2 seal guards from the wheel hub
(Figure
34).
34
(Figure
Figure 33
3. Wheel nut
33).
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