Genie S-40 Maintenance Manual page 137

April 2016
9 Locate the hub disconnect pin in the center of
the drive hub. Manually depress the pin and
rotate the drive hub until one of the two plugs
is at the lowest point.
1 drive hub plug
10 Remove the plugs and drain the oil into a
suitable container.
11 Manually depress the hub disconnect pin and
rotate the drive hub until the plugs are one on
top and the other at 90 degrees.
12 Fill the hub until the oil level is even with the
bottom of the side plug hole. Refer to
Specifications, Hydraulic Specifications.
13 Install the plugs into the drive hub.
14 Attach a lifting strap from an overhead crane
to the center-point of the track assembly,
above the sprocket.
15 Install the track assembly onto the drive hub
adapter while guiding the hub adapter studs
into the sprocket of the track assembly. Install
as many sprocket retaining fasteners as
possible to the hub adapter and torque to
specification. Refer to Specifications, TRAX
Torque Specifications.
Part No. 1268489
Programmed Maintenance Procedures
16 Raise the machine, remove the jack stands
17 Drive the machine in either direction just until
18 Install the remaining sprocket retaining
19 Repeat this procedure for each drive hub.
Turntable Rotate Drive Hub:
1
2
3
S Booms • Z Booms
lower the machine.
the remaining sprocket retaining fasteners can
be installed onto the drive hub adapter. Turn
the machine off.
fasteners to the drive hub adapter and torque
to specification. Refer to Specification, TRAX
Torque Specifications.
Secure the turntable from rotating with the
turntable rotation lock pin.
Tag, disconnect and plug the hydraulic hoses
to the drive hub drive motor and brake.
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.
Attach a suitable lifting device to the lifting eye
of one turntable rotate drive hub assembly.
Maintenance Manual
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