Genie Z-80/60 Service And Repair Manual page 61

September 2016
3 Remove the access cover from the pivot end of
the primary boom.
4 Place blocks under the barrel end of the
primary boom extension cylinder for support.
5 Tag, disconnect and plug the primary boom
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.
6 Working at the platform end of the boom,
remove the external snap rings from the
extension cylinder rod-end pivot pin.
7 Use a soft metal drift to remove the pin.
Crushing hazard. The primary
boom could fall when removed
from the extension boom if not
properly supported.
8 Remove the barrel-end pivot pin retaining
fasteners.
9 Place a rod through the barrel-end pivot pin
and twist to remove the pin.
Part No. 1268556
Boom Components
10 Working at the pivot end of the boom, support
and slide the extension cylinder out of the
boom extension.
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
primary boom angle sensor
(PBAS) when removing the
cylinder from the primary boom.
Component damage hazard.
Hoses and cables can be
damaged if they are kinked or
pinched.
Note: Note the length of the cylinder after removal.
For ease of installation, the cylinder must be at the
same length for installation.
Service and Repair Manual
49