Genie Industries Z-30/20, Руководство по обслуживанию

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7 - 4 Genie Z-30/20 Part No. 43063
Service Manual - Third Edition Section 7 - Repair Procedures
PLATFORM CONTROLS
a
b
c
d
e
f
23 Adjust drive high range trimpot on the circuit
board to achieve a 6.1 second drive speed
time. Turn the trimpot clockwise to increase the
time or counterclockwise to decrease the time.
Drive controller specifications
Brake
Threshold
0.16 amps when pump motor turns ON
Max-out 0.91 amps when pump motor turns OFF
Drive
Threshold
0.8 to 0.9V DC
when amp output is 0.28 to 0.30 amps
High range 5.0 to 5.2V DC
when control handle is in full forward position
Lo range 1.9 to 2.0V DC
when control handle is in full forward position
Drive speed, 0.6 mph 1 km/h
boom raised 40 ft/45.5 sec 12.2 m/45.5 sec
Drive speed, 4.3 mph 6.9 km/h
boom stowed 40 ft/6.1 sec 12.2 m/6.1 sec
(35:1 torque hubs)
Drive speed, 3.2 mph 5.1 km/h
boom stowed 40 ft/8.6 sec 12.2 m/8.6 sec
(49:1 torque hubs)
Boom Function Speed
Controller Adjustments
Do not adjust the controllers
unless the static battery supply
voltage is above 24V DC.
Electrocution hazard. Contact with
electrically charged circuits may
result in death or serious injury.
Remove all rings, watches and
other jewelry.
1 Turn the key switch to platform control and pull
the Emergency Stop switch to the
ON
position
at the ground controls. Pull up the Emergency
stop button to the
ON
position at the platform
controls.
2 Open the platform control box lid and locate the
boom function speed controller.
a black/red wire
b diode
c white/red wire
d boom function speed controller
e max-out adjustable trimpot
f threshold adjustable trimpot
3 Remove the function manifold side turntable
cover.
4 Locate the lift proportional manifold and
disconnect the blue/red wire from the lift
proportional valve coil.
5 Connect the red (+) lead from a amp meter to
the wire connector of the blue/red wire that was
removed from the valve coil. Connect the black
(-) lead to the spade terminal on the valve coil
where the blue/red wire was removed from.