Boom Lift Cylinder - Genie GTH-1048 Service Manual

Service Manual
Boom Components
30 Working at the pivot end of the boom, remove
the fasteners securing the chain roller to
boom tube number 2. Remove the chain roller
from the boom.
31 Working at the fork end of the boom, remove
the wear pads from boom tube number 1.
32 Support and slide boom tube number 2 out of
boom tube number 1. Place boom tube
number 2 on a structure capable of supporting
it.
Crushing hazard. Boom tube
number 2 could become
unbalanced and fall when
removed from the boom tube
number 1 if not properly
supported and attached to the
overhead crane.
Note: During removal, the overhead crane strap
will need to be adjusted for proper balancing.
33 Working at the pivot end of the boom, remove
the fasteners securing the chain roller to
boom tube number 1. Remove the chain roller
from the boom.
34 Working at the fork end of the boom, remove
the wear pads from boom tube number 0.
35 Support and slide boom tube number 1 out of
boom tube number 0. Place boom tube
number 1 on a structure capable of supporting
it.
Crushing hazard. Boom tube
number 1 could become
unbalanced and fall when
removed from the boom tube
number 0 if not properly
supported and attached to the
overhead crane.
Note: During removal, the overhead crane strap
will need to be adjusted for proper balancing.
64

1-3 Boom Lift Cylinder

1-3
Boom Lift Cylinder
How to Remove the Lift Cylinder
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications, Hydraulic Hose and Fitting Torque
Specifications.
1 Attach a lifting strap from an overhead 10 ton /
10,000 kg crane to the fork end of the boom.
Support the boom. Do not apply any lifting
pressure.
2 Tag, disconnect and plug the hydraulic hoses
at the lift cylinder manifold. Cap the fittings.
3 Attach a lifting strap from an overhead crane
to the rod end of the lift cylinder. Support the
cylinder. Do not apply any lifting pressure.
4 Remove the fasteners securing the lift cylinder
barrel-end pivot pin to the chassis.
GTH-1048 • GTH-1056
March 2016
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.
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
Part No. 123701
Courtesy of Crane.Market