Replace The Drive Hub Oil - Genie S-105 Service Manual

June 2011
REV A
D-6

Replace the Drive Hub Oil

Genie specifications require that this procedure be
performed every 1000 hours or annually, whichever
comes first.
Replacing the drive hub oil is essential for good
machine performance and service life. Failure to
replace the drive hub oil at yearly intervals may
cause the machine to perform poorly and continued
use may cause component damage.
Drive Hubs:
1 Select the drive hub to be serviced. Drive the
machine until one of the two plugs is at the
lowest point.
2 Remove both plugs and drain the oil into a
suitable container. Refer to capacity
specifications
3 Drive the machine to rotate the hub until the
plugs are located one at the side and the other
at the other side.
a drive hub plugs
Part No. 102916
Section 3 • Scheduled Maintenance Procedures
4 Fill the hub with oil from either plug hole until the
oil level is even with the bottom of both plug
holes. Install the plugs.
5 Repeat steps 1 through 4 for all the other drive
hubs.
6 Check the torque of the drive hub mounting
bolts. Refer to Section 2, Specifications.
Turntable Rotate Drive Hub:
Note: When removing a hose assembly or fitting,
the O-ring on the fitting and/or hose end must be
replaced and then torqued to specification during
installation. Refer to Section 2, Specifications.
1 Secure the turntable from rotating with the
turntable rotation lock pin.
2 Remove the ground control side fixed turntable
cover. Refer to Repair Section 5-1, How to
Remove a Fixed Turntable Cover.
3 Tag, disconnect and plug the turntable rotate
drive motor hoses at the turntable rotate drive
motor and the turntable rotate drive brake hoses
at the turntable rotate drive brake. Cap the
fittings.
a
S-100 • S-105 • S-120 • S-125
CHECKLIST D PROCEDURES
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to squirt
or spray.
Component damage hazard. Hoses
can be damaged if they are kinked
or pinched.
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