Genie Z-45/22 Service Manual page 156

Service Manual - Second Edition
800-610-4101
ActionRental.com
7 Set the max-out: Press down the foot switch,
then move the control handle all the way to the
up position. Adjust the voltage to 5.02V DC.
Turn the max-out trimpot adjustment screw
clockwise to increase the voltage or
counterclockwise to decrease the voltage.
8 Set the dual (lo) range: Press down the foot
switch, then move the control handle all the
way to the down position. Adjust the voltage to
4.33V DC. Turn the dual range trimpot
adjustment screw clockwise to increase the
voltage or counterclockwise to decrease the
voltage.
9 Start the engine and move the engine speed
control switch to foot switch activated high idle
(rabbit and foot switch symbol). Raise the
primary boom 1 inch (2.5 cm) above the drive
limit switch.
Engine should be at normal
operating temperature.
10 Start a timer and record how long it takes for
the primary boom to reach the full up position.
Adjust the max-out trimpot to achieve a 25 to
29 second cycle time.
11 Start a timer and record how long it takes for
the primary boom to lower into the full down
position. Adjust the dual range trimpot to
achieve a 33 to 37 second cycle time.
Primary boom up/down specifications
Threshold
Primary boom up - Max-out
Cycle time
Primary boom down - Dual range
Cycle time
Part No. 32960
Secondary Boom Up/Down
Controller Adjustments
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 keyswitch to platform control and pull
the Emergency Stop button to the on position
at both the ground and platform controls. Do
not start the engine.
3 Open the platform control box lid and locate the
secondary boom up/down controller.
2.50V DC
5.02V DC
25 to 29 seconds
4.33V DC
33 to 37 seconds
Genie Z-45/22
Section 7 - Repair Procedures
PLATFORM CONTROLS
Do not adjust the joystick
controllers unless the static
battery voltage is above 12V DC
and the alternator is operating
properly with 12.5 to 15.4V DC
output.
Electrocution hazard. Contact with
electircally charged circuits may
result in death or serious injury.
Remove all rings, watches and
other jewelry.
a b c d e f g
a dual (lo) adjustable trimpot
b ramp rate adjustable 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 adjustable trimpot
j max-out adjustable trimpot
h i j
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