Platform Controls; Joystick Controllers - Genie Z-45/25 Service Manual

Section 7 • Repair Procedures

Platform Controls

1-1

Joystick Controllers

Maintaining joystick controllers at the proper
settings is essential to safe machine operation.
Every joystick controller should operate smoothly
and provide proportional speed control over its
entire range of motion.
a
e
f
Platform control box
a horsepower limiter board
b terminal strip
c drive proportional controller
d secondary boom proportional
controller
e primary boom proportional controller
f turntable rotate proportional controller
7 - 2
b
c
d
Genie Z-45/25 & Genie Z-45/25J
First Edition • Second Printing
Primary Boom Up/Down
Controller Adjustments
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
Do not adjust the joystick
controllers unless the static battery
voltage is above 12V DC and the
alternator is operating properly with
13.6 to 14.5V DC output.
Individual trim potentiometers
(trimpots) are used to adjust
various output signals from the
drive and boom function
controllers. The trimpots will be
identified as the following.
• Max out trim potentiameter (max out trimpot)
• High range trim potentiameter (max out trimpot)
• Lo range trim potentiometer (lo range trimpot)
• Dual range trim potentiometer (lo range trimpot)
• Threshold trim potentiometer (threshold trimpot)
• Ramp rate trim potentiometer (ramp rate rimpot)
1 Turn the key switch to platform control and
pull out the Emergency Stop button to the
position at both the ground and platform
ON
controls. Do not start the engine.
Part No. 52709