Genie GC-1530, Service Manual

Page: 127 / 270

Section 4 • Repair Procedures January 2012
Part No. 228901 GS-30 • GS-32 • GS-46 • GS-47 4 - 65
65 Lower the scissor arms onto the block that was
placed across the chassis.
Bodily injury hazard. Keep hands
clear of moving parts when
lowering the scissor arms.
66 Attach a lifting strap from an overhead crane to
the lug of the rod end of the lower lift cylinder.
67 Tag, disconnect and plug the hydraulic hose on
the lower lift cylinder. 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.
68 Tag and disconnect the wire harness from the
solenoid valve on the cylinder.
69 Tag and disconnect the wires and manual
lowering cable from the solenoid valve on the
cylinder.
70 Models with platform overload option: Tag
and disconnect the wire harness from the
platform overload pressure transducer.
Note: After replacing the scissor assembly, the
platform overload system must be calibrated.
Refer to Repair Procedure 9-10,
How to Calibrate
the Platform Overload System (if equipped).
71 Raise the lift cylinder to a vertical position.
72 Remove the pin retaining fasteners from the lift
cylinder barrel-end pivot pin (index #16). Use a
soft metal drift to remove the pin. Remove the
lift cylinder from the machine.
Crushing hazard. The lift cylinder
will fall if not properly supported
when the pivot pin is removed.
Component damage hazard. Be
careful not to damage the valve or
fittings on the cylinder while
removing it from the machine.
73 Remove the cables from the number 1 cable
bridge and lay them off to the side.
Component damage hazard.
Cables can be damaged if they
are kinked or pinched.
74 Disconnect the number 1 cable bridge from the
number 1 outer arm (index #17) and remove
the cable bridge from the machine.
75 Attach a lifting strap from an overhead crane to
the number 1 inner arm (index #8).
76 Raise the arm slightly and remove the block.
77 Lower the arm to the stowed position.
Bodily injury hazard. Keep hands
clear of moving parts when
lowering the scissor arms.
78 Secure the ends of the scissor arms together at
the steer end of the machine with a strap or
other suitable device.
79 Secure the ends of the scissor arms together at
the non-steer end of the machine with a strap or
other suitable device.
80 Remove the retaining fasteners securing the
chassis mount bracket to the chassis.
81 Remove the linkset from the machine
Bodily injury hazard. The number
1 inner and outer arms (index #8
and #17) may become unbalanced
and fall if not properly supported
when removed from the machine.
Component damage hazard. Be
sure not to damage the limit switch
or level sensor box components
when the number 1 inner and
outer arms (index #8 and #17) is
removed from the machine.
SCISSOR COMPONENTS