Boom Lift Cylinder - Genie S-60 Service Manual

Section 7 • Repair Procedures
BOOM COMPONENTS
10 Attach a lifting strap from an overhead crane to
the number 3 boom tubes at the platform end of
the boom for support.
11 Support and slide the number 3 boom tube out
of the number 2 boom tube. Place the number 3
boom tube on blocks for support.
Crushing hazard. The number 3
boom tube may become
unbalanced and fall when it is
removed from the number 2 boom
tube if it is not properly supported.
During removal, the overhead
crane strap will need to be
carefully adjusted for proper
balancing.
12 Remove the external snap rings from the
extension cylinder rod-end pivot pin at the
platform end of the number 3 boom tube. Use a
soft metal drift to remove the pin.
13 Support and slide the extension cylinder out of
the base end of the number 3 boom tube. Place
the extension cylinder on blocks for support.
Crushing hazard. The extension
cylinder may become unbalanced
and fall when it is removed from
the number 3 boom tube if it is not
properly supported.
During removal, the overhead
crane strap will need to be
carefully adjusted for proper
balancing.
14 Remove and label the wear pads from the
extension cylinder.
Pay careful attention to the
location of each wear pad.
7 - 26
4-3

Boom Lift Cylinder

How to Remove the Boom
Lift Cylinder
1 Raise the boom to a horizontal position.
2 Place support blocks under the boom lift
cylinder across the turntable.
3 Attach an overhead 5 ton (4536 kg) crane to
the boom. Do not lift the boom.
4 Support the rod end of the boom lift cylinder
with an overhead crane or similar lifting device.
Genie S-60 & Genie S-65
Third Edition • First Printing
Bodily injury hazard. This
procedure requires specific repair
skills, lifting equipment and a
suitable workshop. Attempting this
procedure without these skills and
tools could result in death or
serious injury and significant
component damage. Dealer
service is strongly recommended.
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 Two, Hydraulic
Hose and Fitting Torque
Specifications.
Crushing hazard. The boom lift
cylinder could become unbalanced
and fall when it is disconnected
from the machine if it is not
properly supported.
Part No. 65196