Service manual

Part No. 39528 Genie GS-1530 & Genie GS-1930 7 - 35
Service Manual - First Edition Section 7 - Repair Procedures
SCISSOR COMPONENTS
7 Disconnect and plug the hydraulic hardline from
the lift cylinder. Cap the fitting 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.
8 Remove the hardline retaining strap from the
cylinder.
9 Attach a strap from an overhead crane or
similar lifting device to the rod end of the lift
cylinder for support.
10 Remove the external snap ring from the lift
cylinder rod-end pivot pin. Then use a soft
metal drift to remove the pin.
Crushing hazard. The lift cylinder
will fall if not properly supported.
Component damage hazard. Be
careful not to damage the level
sensor box, limit switch or level
sensor while lowering the cylinder.
11 Lower the cylinder.
12 Remove the fasteners from the entry ladder
and remove the entry ladder.
13 Support the barrel end of the lift cylinder with a
lifting device.
14 Remove the external snap ring from the lift
cylinder barrel-end pivot pin. Then use a soft
metal drift to remove the pin.
Crushing hazard. The lift cylinder
will fall if not properly supported.
15 Carefully pull the cylinder out the non-steer end
of the machine through the scissor arms.
How to Check the Resistance
of a Valve Coil
1 Turn the key switch to the OFF position and
disconnect the wires from the valve coil to be
tested.
2 Connect the positive lead from the ohmmeter to
the valve coil terminal, then connect the
negative lead from the ohmmeter to the internal
ring of the valve coil.
Platform lowering valve coil specifications
2 position 2 way N.C. solenoid valve - 20V 23 - 259
(schematic item R)