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June 2022
P2-5
P2-5 G reas e th e Stee r Axle Wh eel Bea rings - GS -69 BE a nd GS -69 DC
Grease the Steer Axle Wheel
Bearings - GS-69 BE and GS-69
DC
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.
Part No. 1272215GT
Programmed Maintenance Procedures
5
6
7
8
9
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
11 Remove the castle nut.
12 Pull the hub off of the spindle. The spindle
Scissor Lifts
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.
Remove the dust cap from the hub. Remove
the cotter pin from the castle nut.
Tighten the castle nut to 150 ft-lbs / 203 Nm
to seat the bearings.
Fully loosen the castle nut and re-tighten to
35 ft-lbs / 48 Nm.
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.
the cotter pin from the castle nut.
washer, thrust washer and outer bearing
should fall loose from the hub.
Maintenance Manual
77
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