November 2021 Maintenance Manual
Programmed Maintenance Procedures
Part No. 1305686GT Scissor Lifts 85
5 Check for wheel bearing wear by attempting
to move the wheel hub side to side, then up
and down.
Result: There is no side to side or up and
down movement. Proceed to step 10.
Result: There is side to side or up and down
movement Proceed to step 6.
6 Remove the dust cap from the hub. Remove
the cotter pin from the castle nut.
7 Tighten the castle nut to 150 ft-lbs / 203 Nm
to seat the bearings.
8 Fully loosen the castle nut and re-tighten to
35 ft-lbs / 48 Nm.
9 Check for wheel bearing wear by attempting
to move the wheel hub side to side, then up
and down.
Result: There is no side to side or up and
down movement. Proceed to step 10.
Result: There is side to side or up and down
movement. Proceed to step 10 and replace
the wheel bearings with new ones.
Note: When replacing a wheel bearing, both the
inner and outer bearings, including the pressed-in
races, must be replaced.
10 Remove the dust cap from the hub. Remove
the cotter pin from the castle nut.
11 Remove the castle nut.
12 Pull the hub off of the spindle. The spindle
washer, thrust washer and outer bearing
should fall loose from the hub.
13 Place the hub on a flat surface and gently pry
the bearing seal out of the hub. Remove the
rear bearing.
14 Pack both bearings with clean, fresh grease.
15 Place the large inner bearing into the rear of
the hub.
16 Install a new bearing grease seal into the hub
by pressing it evenly into the hub until it is
flush.
17 Slide the hub onto the yoke spindle.
Component damage hazard. Do
not apply excessive force or
damage to the lip of the seal
may occur
.
18 Place the outer bearing into the hub.
19 Install the spindle washer, thrust washer and
castle nut.
20 Tighten the slotted nut to 150 ft-lbs / 203 Nm
to seat the bearings.
21 Fully loosen the castle nut and re-tighten to
35 ft-lbs / 48 Nm.
22 Install a new cotter pin. Bend the cotter pin to
lock it in place.
Note: Always use a new cotter pin when installing
a castle nut.
23 Install the dust cap.
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