Genie GC-1530, Руководство по обслуживанию

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January 2012 Section 4 • Repair Procedures
4 - 86 GS-30 • GS-32 • GS-46 • GS-47 Part No. 228901
SCISSOR COMPONENTS
98 Use a soft metal drift to remove the number 2
pivot pin (index #12) from the steer end of the
machine. Remove the number 2 inner arm
(index #25) from the machine.
Crushing hazard. The number 2
inner arm (index #25) may
become unbalanced and fall if not
properly supported when the pivot
pin is removed.
99 Attach a lifting strap from an overhead crane to
the number 1 inner arm (index #14).
100 Raise the number 1 inner arm (index #14)
approximately 2 feet / 60 cm.
101 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 #13).
102 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.
103 Attach a lifting strap from an overhead crane
to the lug of the rod end of the lower lift
cylinder.
104 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.
105 Tag and disconnect the wire harness from the
solenoid valve on the cylinder.
106 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).
107 Raise the lift cylinder to a vertical position.
108 Remove the pin retaining fasteners from the
lift cylinder barrel-end pivot pin (index #28).
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.
109 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.
110 Disconnect the number 1 cable bridge from
the number 1 outer arm (index #29) and
remove the cable bridge from the machine.
111 Attach a lifting strap from an overhead crane
to the number 1 inner arm (index #14).
112 Raise the arm slightly and remove the block.