3 - 40
S-100HD • S-120HD
Part No. 1268495
September 2016
Section 3 • Repair Procedures
4-3
Boom Lift Cylinder
How to Remove the Boom
Lift Cylinder
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.
Note: 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 Specifications,
Hydraulic Hose and Fitting
Torque Specifications.
1 Raise the boom until there is approximately
4 feet / 1.2 m between the turntable and boom
rest pad.
2 Attach a lifting strap from an overhead crane or
other suitable lifting device to the rod end of the
the boom lift cylinder.
3 Attach an overhead
10 ton / 9071 kg crane to
the platform end of the boom for support. Do
not lift the boom.
4 Remove the boom storage area cover retaining
fasteners. Remove the cover from the machine.
5 Place support blocks under the boom lift
cylinder.
6 Remove the pin retaining fastener from the
boom lift cylinder rod-end pivot pin. Use a
soft metal drift to remove the pin. Protect the
cylinder rod from damage.
Crushing hazard. The boom lift
cylinder may fall when the rod-end
pivot pin is removed if the boom lift
cylinder is not properly supported
by the overhead crane.
Crushing hazard. The boom
may fall when the rod-end pivot
pin is removed if the boom is
not properly supported by the
overhead crane.
7 Carefully raise the boom with the overhead
crane until the rod end of the boom lift cylinder
can be removed.
8 Carefully lower the rod end of the boom lift
cylinder down onto the support blocks.
9 Carefully raise the boom with the overhead
crane until the barrel end of the boom lift
cylinder is accessible.
10 Tag, disconnect and plug the boom lift cylinder
hydraulic hoses. 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.
BOOM COMPONENTS
Summary of Contents for Genie S-100HD
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Page 216: ...September 2016 Section 5 Schematics 5 34 5 33 Safety Circuit Schematic S 100HD Models ...
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Page 232: ...September 2016 Section 5 Schematics 5 50 Safety Circuit Schematic S 120HD Models 5 49 ...
Page 233: ...Section 5 Schematics September 2016 5 51 Perkins 854F 34T Engine Electrical Schematic 5 52 ...
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Page 236: ...September 2016 Section 5 Schematics 5 54 Perkins 854F 34T Engine Electrical Harness 5 53 ...
Page 237: ...Section 5 Schematics September 2016 5 55 Deutz TD2 9 Engine Electrical Schematic 5 56 ...
Page 240: ...September 2016 Section 5 Schematics 5 58 Deutz TD2 9 Engine Electrical Harness 5 57 ...
Page 241: ...Section 5 Schematics September 2016 5 59 Hydraulic Schematic S 100HD Models 5 60 ...
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