Maintenance Manual
March 2022
Annual Maintenance Procedures
130
S
®
Booms • Z
®
Booms
Part No. 1268489GT
All models:
Note: This procedure will require the use of an
aerial work platform.
1 Remove the cover from the pivot end of the
boom.
2 From the ground controls, raise the boom to
the horizontal position and fully extend the
boom.
3 Raise and extend the boom until all the
inspection holes are visible.
Note: The inspection holes are covered with a
black oval decal.
4 Remove the black oval decal from the
inspection holes and discard.
5 Visually inspect the cables, sheaves and
related components through the inspection
holes for the following:
•
Frayed or broken wire strands
•
Kinks or crushed cables
•
Corrosion
•
Paint or foreign materials on the cable
•
Split or cracked cable ends
•
Cables are on all sheaves
•
Cables at end of adjustment range
•
Broken or damaged sheaves
•
Unusual or excessive wear
•
All fasteners in place and secure
Note: A flashlight and inspection mirror may be
necessary to thoroughly inspect the above items,
or an endoscope inspection camera.
Note: Refer to Maintenance Procedure P12-2,
Cable Replacement Criteria
.
Note: If required, the extend or retract cables must
be replaced as a set.
Note: If the boom extend or retract cables are
replaced, quarterly maintenance inspections must
be performed for the first year.
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
fasteners. Refer to Torque Specifications,
Tires and Wheels
.
6 Repeat this procedure for each drive hub.