Genie S-60 Service Manual page 210

Third Edition • First Printing
Boom Extend/Retract 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.
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.
3 Open the platform control box lid and locate
the boom extend/retract controller.
Part No. 65196
a
4 Set the preliminary ramp rate: Turn the ramp
rate trimpot adjustment screw counterclockwise
15 turns or until you hear a repeated click.
5 Connect the red(+) lead from a volt meter to
the "A" terminal on the controller printed circuit
board. Connect the black(-) lead to ground.
6 Set the threshold: Press down the foot switch,
then slowly move the controller off center until
the moment a voltage reading appears. Adjust
the voltage to 3.5V DC. Turn the threshold
trimpot adjustment screw clockwise to increase
the voltage or counterclockwise to decrease the
voltage.
Genie S-60 & Genie S-65
Section 7 • Repair Procedures
PLATFORM CONTROLS
b c d e f g
a ramp rate trimpot
b lo range trimpot
c terminal "R", activates max out range
d terminal unused
e terminal "X", auxiliary
f terminal "-", ground
g terminal "+", battery, positive
h terminal "A", proportional output
i threshold trimpot
j max out trimpot
h i j
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