Platform Controls; Joystick Controllers - Genie S-60 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 terminals
c drive controller
d extend/retract controller
e boom controller
f turntable rotate controller
7 - 2
b
c
d
Genie S-60 & Genie S-65
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 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
horsepower limiter board and
boom function controllers. The
trimpots will be identified as the
following:
• Max out trim potentiometer (max out trimpot)
• High range trim potentiometer (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 trimpot)
1 Check the battery condition with a volt meter.
The reading should be 12V DC or more to
accurately adjust the controller.
2 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.
Third Edition • First Printing
Part No. 65196