Genie Z-45/25 Service Manual page 82

Section 3 • Scheduled Maintenance Procedures
CHECKLIST E PROCEDURES
6 Remove the dust cap from the hub. Remove the
cotter pin from the castle nut.
7 Tighten the castle nut to 35 ft-lbs / 47 Nm to
seat the bearings.
8 Loosen the castle nut and re-tighten to
8 ft-lbs / 11 Nm.
9 Check for wheel bearing wear by attempting to
move the wheel hub side to side, then up and
down.
Result: If there is side to side or up and down
movement, continue to step 11 and replace the
wheel bearings with new ones.
When replacing a wheel bearing,
both the inner and outer bearings,
including the pressed-in races,
must be replaced.
Result: If there is no side to side or up and
down movement, continue with step 11 and
grease the wheel bearings.
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 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.
3 - 54
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.
18 Place the outer bearing into the hub.
19 Install the washer and castle nut.
20 Tighten the slotted nut to 35 ft-lbs / 47 Nm to
seat the bearings.
21 Loosen the castle nut and re-tighten to
8 ft-lbs / 11 Nm.
22 Install a new cotter pin. Bend the cotter pin
to lock it in.
23 Install the dust cap, then the tire and wheel
assembly. Torque the wheel lug nuts to
specification. Refer to Section 2, Specifications.
Z-45/25 • Z-45/25J
Component damage hazard. Do
not apply excessive force or
damage to the lip of the seal may
occur.
Always use a new cotter pin when
installing a castle nut.
Part No. 77809
June 2005
REV B