9
11.
PIVOT BAR
11.1. Safely lift and support the front of unit.
11.2. Disconnect the - (negative) lead to the battery.
11.3. Using two 3/4” wrenches remove wheel assem-
bly from caster bracket. See Figure 11.3.
NOTE:
Be careful not to drop spacers on both
sides of wheel assembly.
11.4. Remove center wheel spacer and inspect all
spacers for damage. See Figure 11.4.
NOTE:
Be sure to use a good quality grease
during reassembly.
NOTE:
There is a non replaceable 3/4” roller
bearing in the wheel hub.
Figure 11.3
Wheel Assembly
Figure 11.4
Spacer
11.5. Lightly grease the wheel spacers during re
assembly. Using a grease gun fill the rest of the
cavity AFTER the wheel assembly has been
mounted.
11.6. Remove both caster wheel assemblies using a
9/16” wrench. See Figure 11.6.
11.7. Inspect flange bearing on top and bottom of
pivot axle. Replace if damaged. See Figure 11.7.
NOTE:
Assure proper order during reassembly.
From the top down in this order: hex head cap
screw, lock washer, flat washer, flange bearing,
pivot axle, flange bearing, flat washer, and
caster bracket.
NOTE:
Be sure to use a good quality grease
during reassembly.
Figure 11.6
Caster Wheel
Components
Figure 11.7
Flange Bearing
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