Genie GTH-1544, Руководство по обслуживанию и ремонту

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September 2016
Part No.1272857 GTH-1544 3-7
Section 3 • Repair Procedures
BOOM COMPONENTS
17 Extend and retract the boom to insure it
operates smoothly.
NOTICE
Component damage hazard.
Chains can be damaged if the
boom is used while the chains
are out of adjustment. Do not
return the machine to use until
the chains have been correctly
adjusted.
How to Remove the Boom
WARNING
Bodily injury hazard. This
procedure requires speci
fi c
repair skills, lifting equipment
and a suitable workshop.
Attempting this procedure
without these skills and tools
could result in death or serious
injury and signi
fi cant component
damage. Dealer service is
strongly recommended.
Note: When removing a hose assembly or fi tting,
the O-ring on the fi tting and/or hose end must be
replaced and then torqued to speci fi cation during
installation. Refer to Section 2,
Hydraulic Hose
and Fitting Torque Specifi cations
.
1 Remove the forks from the boom.
2 Disconnect the electric cables from the boom.
3 Lift the boom until the pin locking the lift
cylinder is in a position above the cab roof.
4 Place a stand under the lift cylinder to properly
support it once the pin connecting the cylinder
to the boom will be removed.
5 Attach a lifting strap from an overhead crane to
the fork support and slightly lift the boom. Do
not apply any lifting pressure.
6 Attach a second strap from the overhead crane
to the lifting cylinder, rod side, and put some
tension on it.
7 Using a soft metal drift, remove the slave
cylinder locking pin from the boom support.
DANGER
Crushing hazard. The cylinder
will fall if not properly supported
when the pivot pin is removed
from the machine.