Maintenance Manual
March 2022
Programmed Maintenance Procedures
174
S
®
Booms • Z
®
Booms
Part No. 1268489GT
P2-9
Grease the Steer Axle Wheel
Bearings, 2WD Models -
S-60, S-65, Z-60 DC/FE and Z-62
Genie requires that this procedure be performed
every 2000 hours.
Perform this procedure more often if dusty
conditions exist.
Maintaining the steer axle wheel bearings is
essential for safe machine operation and service
life. Operating the machine with loose or worn
wheel bearings may cause an unsafe operating
condition and continued use may result in
component damage. Extremely wet or dirty
conditions or regular steam cleaning and pressure
washing of the machine may require that this
procedure be performed more often.
1 Loosen the wheel lug nuts. Do not remove
them.
2 Block the non-steer wheels, then center a
lifting jack under the steer axle.
3 Raise the machine 6 inches / 15 cm and place
blocks under the drive chassis for support.
4 Remove the lug nuts. Remove the tire and
wheel assembly.
5 Check for wheel bearing wear by attempting
to move the wheel hub side to side, then up
and down.
Result:
If there is no side to side or up and
down movement, continue with step 10 and
grease the wheel bearings.
Result:
If there is side to side or up and down
movement, continue 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.
6 Remove the cover from the hub.
1 retaining fastener
2 washer
3 cover
4 shim
5 outer ring
6 outer bearing
7 hub
8 inner bearing
9 inner seal
10 spindle
Summary of Contents for Genie Lift Guard S-40
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