Genie S-80, Service Manual

Page: 109 / 353

Section 4 • Repair Procedures
Part No. 122985 S-80 • S-85 • S-80X 4 - 19
February 2012
BOOM COMPONENTS
11 Tag, disconnect and plug the wiring from the jib
boom/platform rotate select manifold.
12 Tag, disconnect and plug the hydraulic hoses
from the jib boom lift cylinder. Cap the fittings
on the cylinder.
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.
All models:
13 From the ground controls, raise the boom to a
horizontal position.
14 Remove the fasteners from the drive speed limit
switch bracket (LS1RS) mounted on the side of
the boom at the platform end of the boom. Do
not remove the limit switch from the bracket.
15 Remove the cotter pin from the upper cable
track at the platform end of the boom.
Note: Always replace the cotter pin with a new one.
16 Remove the cable track guide fasteners from
the cable track guides at the platform end of the
boom. Remove the cable track guides from the
boom.
17 Remove the cable clamp from the pivot end of
the boom.
18 Place blocks between the upper and lower cable
tracks and secure the upper and lower tracks
together.
Crushing hazard. If the upper and
lower cable tracks are not properly
secured together, the cable track
could become unbalanced and fall
when removed from the machine.
19 Attach a lifting strap from an overhead crane to
the cable track.
20 Remove the mounting fasteners that attach the
lower cable track to the boom.
21 Remove the cable track from the machine and
place it on a structure capable of supporting it.
Crushing hazard. The cable track
could become unbalanced and fall
if not properly attached to the
overhead crane.
Component damage hazard.
Cables and hoses can be
damaged if they are kinked or
pinched.
Component damage hazard. The
cable track can be damaged if it is
twisted.