Genie GC-1530, Service Manual

Page: 107 / 270

Section 4 • Repair Procedures January 2012
Part No. 228901 GS-30 • GS-32 • GS-46 • GS-47 4 - 45
SCISSOR COMPONENTS
55 Raise the number 1 inner arm (index #8)
approximately 2 feet / 60 cm and install the
safety arm between the number 1 inner arm
(index #8) and the number 1 outer arm (index
#17). Lower the scissor arms onto the safety
arm.
Bodily injury hazard. Keep hands
clear of moving parts when
lowering the scissor arms onto the
safety arm.
56 Attach a lifting strap from an overhead crane to
the lug on the rod end of the lift cylinder
(index #3). Raise the lift cylinder approximately
3 ft / 1 m.
57 Tag, disconnect and plug the hydraulic hoses
on the 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.
58 Tag and disconnect the wires and manual
lowering cable from the solenoid valve on the
cylinder.
59 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).
60 Raise the lift cylinder to a vertical position.
61 Remove the pin retaining fasteners from the lift
cylinder barrel-end pin (index #16). Use a soft
metal drift to remove the pin. Remove the lift
cylinder from the machine.
Crushing hazard. The lift cylinder
could become unbalanced and fall
when it is removed from the
machine if not properly attached to
the overhead crane.
Component damage hazard. Be
careful not to damage the valve or
fittings on the cylinder while
removing it from the machine.
62 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 #7).