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October 2018
Maintenance Manual
Annual Maintenance Procedures
Part No. 1268489GT
S
®
Booms • Z
®
Booms
123
A-14
Check the Drive Hub Oil Level
and Fastener Torque
Genie specifications require that this procedure be
performed annually.
Failure to maintain proper drive hub oil levels may
cause the machine to perform poorly and continued
use may cause component damage.
Models with tires:
1 Drive the machine to rotate the hub until the
plugs are located one on top and the other at
90 degrees.
1 drive hub plugs
2 Remove the plug located at 90 degrees and
check the oil level.
Result: The oil level should be even with the
bottom of the plug hole.
3 If necessary, remove the top plug and add oil
until the oil level is even with the bottom of the
side plug hole.
4 Install the plug(s) into the drive hub.
5 Check the torque of the drive hub mounting
bolts. Refer to Specifications,
Machine Torque
Specifications
.
6 Repeat this procedure for each drive hub.
Models with TRAX:
1 Select the drive hub to be serviced. Loosen
and remove as many sprocket retaining
fasteners as possible from the hub adapter.
1 sprocket retaining fasteners
2 Drive the machine in either direction just
enough to access the remaining fasteners. Do
not remove the the retaining fasteners.
3 Chock the tracks at the opposite end of the
machine to prevent the machine from rolling.
4 Center a lifting jack of ample capacity (20,000
lbs / 10,000 kg) under the drive chassis
between the tracks.
5 Lift the machine until the tracks are off the
ground and place jack stands under the drive
chassis for support.
Summary of Contents for S Series
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