Inspect The Boom Extend/Retract Cables - Genie S-60 TraX Service Manual

Section 3 • Scheduled Maintenance Procedures
CHECKLIST B PROCEDURES
B-22
Inspect the Boom
Extend/Retract Cables
Genie specifications require that this procedure be
performed every 250 hours or quarterly, whichever
comes first.
The boom extend/retract cables are responsible for
the extension and retraction of the number 3 boom
tube. Inspecting for foreign objects, damage and/or
improper adjustment of the boom extend/retract
cables and related components on a regular basis
is essential to good machine performance and safe
machine operation. The boom extend and retract
functions should operate smoothly and be free of
hesitation, jerking and unusual noise.
1 Raise the boom to horizontal and fully extend
the boom.
2 After the boom is fully extended, lower the boom
until the platform is at chest height. Turn the
machine off.
3 S-60, S-65, S-60X, S-60XC, S-60 TRAX and
S-65 TRAX: Remove the boom end cover
retaining fasteners and remove the cover.
S-60 HC: Remove the boom end cover from the
pivot end of the boom while guiding the small
cable from the string potentiometer out of the
slot of the cover. Rest the cover and string
potentiometer on the counterweight.
Component damage hazard. The
cable from the string potentiometer
can become damaged if it is
kinked or pinched.
3 - 38
4 Remove the retaining fasteners from the access
5 Visually inspect the cables and components
Note: A flashlight and inspection mirror may be
necessary to thoroughly inspect the above items.
Note: A pulley groove gauge should be used to
check the condition of the pulleys.
S-60 • S-65 • S-60 TRAX • S-65 TRAX
S-60 HC • S-60X • S-60XC
covers located on the side of the boom at the
platform end of the machine. Remove the
covers.
through both inspection holes for the following:
• Frayed or broken wire strands
• Kinks in the cables
• Corrosion
• Paint or foreign materials on the cable
• Split or cracked cable ends
• Cables are on all pulleys
• Extend cable break limit switch arm is
centered in the pivot plate
• Cables have equal tension
• Cables at end of adjustment range
• No broken or damaged pulleys
• No unusual or excessive pulley wear
• All fasteners in place and secure
• S-60 HC: String potentiometer cable break
limit switch arm is securely attached to end
of cable
December 2013
Part No. 147753