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Figure 125
1. Caster-arm tube
5.
Drive the other bushing out of the tube.
6.
Clean the inside of the tubes to remove dirt.
Installing the Bushings
1.
Apply grease to the inside and outside of the
new bushings.
2.
Using a hammer and flat plate, drive the
bushings into the mounting tube.
3.
Inspect the caster spindle for wear and replace
it if it is damaged.
4.
Push the caster spindle through the bushings
and mounting tube.
5.
Slide the thrust washer and spacer(s) onto the
spindle and install the tensioning cap on the
caster spindle to retain all parts in place.
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2. Bushings
Servicing the Caster
Wheels and Bearings
Service Interval: Every 800 hours
1.
Remove the locknut from the bolt holding the
caster-wheel assembly between the caster fork
(Figure
126) or the caster-pivot arm
127).
Note:
Grasp the caster wheel and slide the bolt
out of the fork or pivot arm.
1. Caster bolt
2. Caster fork
1. Caster wheel
2. Caster-pivot arm
2.
Remove the bearing from the wheel hub and
allow the bearing spacer to fall out
and
Figure
127).
3.
Remove the bearing from the opposite side of
the wheel hub.
85
(Figure
Figure 126
3. Bearing
4. Bearing spacer
Figure 127
3. Bearing
4. Bearing spacer
(Figure 126
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