Genie Z-22 Bi-Energy, Service And Repair Manual

Page: 49 / 123

September 2015 Service and Repair Manual
Secondary Boom Components
Part No. 1268515 Z-34/22 Bi-Energy 37
45 Remove the pin retainer from the lower
compression arm to turntable pivot pin. Use a
slide hammer and remove the pin. Remove
the arm from the machine. Repeat for the
engine side lower compression arm.
Crushing hazard. If the overhead
crane is not properly attached,
the lower compression arms
could become unbalanced and
fall when it is removed from the
machine.
46 Attach the strap from the crane to the lower
secondary boom.
47 Remove the pin retainer from the lower
secondary boom to turntable pivot pin. Use a
soft metal drift to remove the pin.
48 Remove the lower secondary boom from the
machine.
Crushing hazard. If the overhead
crane is not properly attached,
the lower secondary boom could
become unbalanced and fall
when it is removed from the
machine.
5-2 Secondary Boom Lift Cyli nders
5-2
Secondary Boom Lift Cylinder
The secondary boom lift cylinder raises and lowers
the secondary boom. The secondary boom lift
cylinder is equipped with counterbalance valves to
prevent movement in the event of a hydraulic line
failure.
How to R emove the Secondary Boom Li ft Cyli nders
How to Remove the Secondary
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 (if equipped) on the fitting and/or hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications, Hydraulic Hose and Fitting Torque
Specifications.
1 Rotate the turntable to the side until the boom
is centered between the steer and non-steer
tires.
2 Raise the primary boom to full height. Do not
extend it.
3 Attach the strap from an overhead crane to
the lug on the rod end of the secondary boom
lift cylinder.