Jib Boom Components; Jib Boom - Genie S-40 Service Manual

Section 4 • Repair Procedures
Jib Boom Components, S-45
3-1

Jib Boom

How to Remove the Jib Boom
Perform this procedure with the
boom in the stowed position.
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, Hydraulic Hose
and Fitting Torque Specifications.
1 Remove the platform.
2 Remove the platform mounting weldment,
and the platform rotator. See 2-2, How to
Remove the Platform Rotator .
3 From the ground controls, raise the jib boom to
a horizontal position.
4 Support the jib boom with a strap from an
overhead crane.
5 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.
6 Remove the hose cover, hoses and cables from
the side of the jib boom and set them aside.
Component damage hazard.
Hoses and cables can be
damaged if they are kinked or
pinched.
4 - 10
7 Place blocks under the platform leveling
cylinder for support. Protect the cylinder rod
from damage.
8 Remove the pin retaining fasteners from the jib
boom lift cylinder barrel-end pivot pin. Do not
remove the pin.
9 Attach a lifting strap from an overhead crane to
the lug on the rod end of the jib boom lift
cylinder.
10 Use a soft metal drift to remove the jib boom lift
cylinder rod-end pivot pin.
11 Use a soft metal drift to remove the jib boom lift
cylinder barrel-end pivot pin, then remove the
jib boom cylinder.
12 Remove the pin retaining fasteners from the jib
boom pivot pin. Use a soft metal drift to remove
the pin, then remove the jib boom from the
bellcrank.
Genie S-40 and Genie S-45
January 2005
Crushing hazard. The jib boom
lift cylinder could become
unbalanced and fall when it is
removed from the machine if it is
not properly attached to the
overhead crane.
Crushing hazard. The jib boom
could become unbalanced and fall
when it is removed from the
machine if it is not properly
attached to the overhead crane.
Part No. 102521
REV A