Genie GTH-1544, Руководство по обслуживанию и ремонту

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3-12 GTH-1544 Part No. 1272857
September 2016 Section 3 • Repair Procedures
BOOM COMPONENTS
1-4
Boom Extend Cylinder
How to Remove the Extend
Cylinder
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 Raise the boom to a horizontal position.
2 Verify that the retaining screws "a" are visible
and can be reached from the bottom of the
boom, at the back of it. The third section
features some holes matching the cylinder
retaining screws, when the boom is retracted.
3 Tag, disconnect and plug the hydraulic hoses
from the extend cylinder. Cap the cylinder
fi ttings.
WARNING
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.
NOTICE
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
4 Open the fasteners "b" retaining the hoses
inside the boom.
5 Remove the iron brackets "c".
6 Remove the cylinder screws, rod side.
7 Remove the retaining fasteners securing the
extend cylinder barrel-end pivot pin.
B
BOOM EXTEND CYLINDER
B
d
a