Genie GC-1530, Service Manual

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January 2012 Section 4 • Repair Procedures
4 - 74 GS-30 • GS-32 • GS-46 • GS-47 Part No. 228901
73 Attach a lifting strap from an overhead crane to
the number 2 inner arm (index #18). Raise the
arm to a vertical position.
74 Remove the retaining fasteners from the
number 2 pivot pin at the steer end of the
machine (index #8).
75 Use a soft metal drift to remove the number 2
pivot pin (index #8) from the steer end of the
machine. Remove the number 2 inner arm
(index #18) from the machine.
Crushing hazard. The number 2
inner arm (index #18) may
become unbalanced and fall if not
properly supported when the pivot
pin is removed.
76 Attach a lifting strap from an overhead crane to
the number 1 inner arm (index #10).
77 Raise the number 1 inner arm (index #10)
approximately 2 feet / 60 cm.
78 Place a 4 x 4 x 48 inch / 10 cm x 10 cm x 1.2 m
long block across both sides of the chassis
under the number 1 center pivot pin (index #9).
79 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.
80 Attach a lifting strap from an overhead crane to
the lug of the rod end of the lower lift cylinder.
81 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.
82 Tag and disconnect the wire harness from the
solenoid valve on the cylinder.
83 Tag and disconnect the wires and manual
lowering cable from the solenoid valve on the
cylinder.
84 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).
85 Raise the lift cylinder to a vertical position.
86 Remove the pin retaining fasteners from the lift
cylinder barrel-end pivot pin (index #21). 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.
SCISSOR COMPONENTS