Genie GC-1530, Service Manual

Page: 171 / 270

Section 4 • Repair Procedures January 2012
Part No. 228901 GS-30 • GS-32 • GS-46 • GS-47 4 - 109
SCISSOR COMPONENTS
7 Disconnect the battery pack from the machine.
Electrocution/burn hazard. Contact
with electrically charged circuits
could result in death or serious
injury. Remove all rings, watches
and other jewelry.
Note: At the lower lift cylinder, install the orifice
fitting with the small opening of the orifice fitting
closest to the supply hose.
8 Tag and disconnect the wiring from the solenoid
valve coil at the barrel end of the lift cylinder.
Skip to step 13 if removing the upper cylinder.
9 If equipped, tag and disconnect the three-pin
connector from the pressure transducer
harness. To remove the pressure transducer
refer
to Repair Procedure 9-9, How to Remove
the Pressure Transducer (if equipped).
10 Loosen the adjustment nuts on the solenoid
valve and disconnect the manual lowering cable
from the valve.
Note: During assembly, the manual platform
lowering cable needs to be properly adjusted.
See 2-3,
How to Adjust the Manual Platform
Lowering Cable.
11 Remove the fasteners securing the manual
lowering cable mount bracket to the cylinder.
Remove the bracket from the cylinder.
12 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.
13 Attach a lifting strap from an overhead crane to
the rod end of the lift cylinder for support.
14 Remove the retaining fasteners from the lift
cylinder rod-end pivot pin. Use a soft metal drift
to remove the pin.
Crushing hazard. The lift cylinder
will fall if not properly supported.
15 Lower the cylinder to a horizontal position.
16 Attach a lifting strap from an overhead crane or
similar lifting device to the barrel end of the lift
cylinder for support.
17 Remove the retaining fasteners from the lift
cylinder barrel-end pivot pin. Use a soft metal
drift to remove the pin.
Crushing hazard. The lift cylinder
will fall if not properly supported
when the pin is removed.
18 Support and secure the lift cylinder to an
appropriate lifting device.
19 Remove the lift cylinder through the scissor
arms at the steer end of the machine.
Crushing hazard. The lift cylinder
may become unbalanced and fall
if not properly supported and
secured to the lifting device.
Component damage hazard. Be
careful not to damage the valve or
fittings on the cylinder while
removing it from the machine.