Replace The Drive Hub Oil - Genie Z-34/22IC Service Manual

Section 3 • Scheduled Maintenance Procedures
CHECKLIST D PROCEDURES
5 Manually rotate each non-steering wheel.
Result: Each non-steering wheel should rotate
with minimum effort.
6 Re-engage the torque hubs by turning over
the hub disconnect caps. Carefully remove
the jack stands, lower the machine and
remove the jack.
Collision hazard. Failure to
re-engage the torque hubs may
cause death or serious injury and
property damage.
3 - 40
D-3

Replace the Drive Hub Oil

Note: Genie requires that this procedure be
performed every 1000 hours or annually,
whichever comes first.
Replacing the torque hub oil is essential for good
machine performance and service life. Failure to
replace the torque hub oil at yearly intervals may
cause the machine to perform poorly and
continued use may cause component damage.
1 Select the drive torque hub to be serviced.
Drive the machine to rotate the hub until the
plugs are located one on top and the other at
90 degrees.
2 Remove both plugs and drain the oil.
3 Drive the machine until one plug is at the top
and the other is at 90 degrees.
4 Fill the hub with oil from the top hole until the oil
level is even with the bottom of the side hole.
Refer to Section 2, Specifications .
5 Install the plugs into the drive hub.
6 Repeat this procedure for each torque hub.
Z-34/22 IC
July 2007
REV A
plugs
Part No. 128267