Terex Genie Z-34/22 IC, Service And Repair Manual

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September 2016 Service and Repair Manual
Primary Boom Components
Part No. 1274592 Z-34/22 IC 35
5 Remove the drive speed limit switch from the
pivot end of the primary boom. Do not
disconnect the wiring.
6 Remove the pin retaining fasteners from the
master cylinder rod end pivot pin. Use a soft
metal drift to remove the pin.
7 Manually retract the master cylinder and push
it toward the platform end of the boom to
obtain enough clearance for the extension
cylinder removal.
8 Tag, disconnect and plug the extension
cylinder hydraulic hoses. Cap the fittings on
the cylinder.
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.
9 Remove the pin retaining fasteners from the
extension cylinder pivot pin. Use a soft metal
drift to remove the pin.
10 Carefully pull out and properly support the
extension cylinder from the primary boom
using a lifting strap from an overhead crane.
Crushing hazard. The extension
cylinder could fall when removed
from the extension boom if not
properly supported.
Component damage hazard. Be
careful not to damage the
counterbalance valves on the
primary boom extension cylinder
when removing the cylinder from
the primary boom.
Component damage hazard.
Hoses and cables can be
damaged if the primary boom
extension cylinder is dragged
across them.
Note: During removal, the overhead crane strap will
need to be carefully adjusted for proper balancing.
Note: Note the length of the cylinder after removal.
The cylinder must be at the same length for
installation.