Genie Z-51/30J Service And Repair Manual page 38

Service and Repair Manual
Jib Boom Components
4 Use a soft metal drift to tap the jib boom lift
cylinder rod-end pivot pin half way out. Then
lower one of the leveling arms to the ground.
Tap the pin the other direction and lower the
opposite leveling arm. Do not remove the pin.
5 Support the jib boom lift cylinder with a suitable
lifting device.
6 Remove the pin retaining fastener from the jib
boom lift cylinder barrel-end pivot pin. Use a
soft metal drift to remove the barrel-end pin and
let the cylinder hang down.
Crushing hazard. The jib boom
WARNING
may become unbalanced and
fall when it is removed from
the machine if it is not properly
supported by the overhead
crane.
7 Attach a lifting strap from an overhead crane
to the lug on the rod end of the jib boom lift
cylinder.
8 Use a soft metal drift to remove the jib boom lift
cylinder rod-end pin. Remove the jib boom lift
cylinder from the machine.
Crushing hazard. The jib
WARNING
boom lift cylinder may become
unbalanced and fall when it is
removed from the machine if it
is not properly supported by the
overhead crane.
28 Z®-51/31J
October 2020
Part No. 1268553GT