Genie ZX-135/70 Service Manual page 144

August 2014
4 Remove the cover retaining fasteners and
remove the cover from the secondary boom.
Crushing hazard. The secondary
boom end cover could become
unbalanced and fall when
removed from the secondary
boom if not properly supported
and secured to the lifting device.
5 Working at the platform end of the secondary
boom, remove the hose and cable U-bolt
fasteners near the upper cable track tube.
6 Working at the platform end of the secondary
boom, remove the upper cable track tube
retaining fasteners. Remove the curved hose
guide.
7 Working at the platform end of the secondary
boom, remove the lower cable track retaining
fasteners.
8 Working at the counterweight end of the
secondary boom, remove the lower cable
track retaining fasteners.
9 Tag, disconnect and plug the hydraulic hoses
from the following ports of the function
manifold: PE, PR, P2, T1, PU and PD. Cap
the fittings on the manifold.
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.
Part No. 218700
10 Pull the hydraulic hoses just removed through
the turntable bulkhead.
11 Working at the counterweight end of the
secondary boom, tag, disconnect and plug the
hydraulic hoses from the unions that lead to
the cable track.
12 Working at the counterweight end of the
secondary boom, tag and disconnect the
electrical connectors to all of the cables that
lead to the secondary boom cable track.
13 Tag, disconnect and plug the primary boom lift
cylinder hydraulic hoses. Cap the fittings on
the cylinder.
14 Tag, disconnect and plug the primary boom
extension cylinder hydraulic hoses at the
unions located above the primary boom lift
cylinder. Cap the fittings on the unions.
15 Pull the hydraulic hoses for the primary boom
lift cylinder and extension cylinder out through
the hole in the number 4 secondary boom
tube.
16 Working at the platform end of the secondary
boom, place blocks between the upper and
lower cable tracks for support.
ZX-135/70
Service Manual
Boom Components
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
Component damage hazard.
Hoses can be damaged if they
are kinked or pinched.
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