Terex Genie Z-45 DC, Service And Repair Manual, Page: 23 / 140

July 2020
Part No. 1297714GT Z ® -45 DC • Z ® -45 FE 13
Service and Repair Manual
Platform Controls
The threshold setting is the minimum output
current at which a function proportional valve can
open and allow the function to operate. There are
two types threshold currents to adjust:
Important
Joystick controlled functions - Primary Up/
Down, Secondary Up/Down and Turntable Rotate.
Switch controlled functions - Primary Extend/
Retract, Platform Rotate, Jib Up/Down and Jib
Rotate.
The boom functions threshold current should be
operating at near zero speed smoothly with no
vibrations.
Note: Perform this procedure with the boom in
the stowed position. Refer to Navigation Menus,
Settings Menu.
1 Turn the key switch to platform control. Do not
start the engine (if equipped).
2 Pull out the red Emergency Stop button to the
'ON' position at both the ground and platform
controls.
3 Do not press down the foot switch.
4 Move and hold the drive enable toggle switch
in the right direction while holding steer in the
right direction.
5 When the display leaves SYSTEM READY
mode, release the drive enable toggle switch
and steer joystick.
Result: The display will show FAULTS.
6 Momentarily activate steer in the right direction
until SETTINGS is shown on the display.
7 Momentarily activate the drive enable toggle
switch in the right direction until VALVE AND
SENSOR SETTINGS is shown on the display.
8 Momentarily activate the drive enable toggle
switch in the right direction until CALIBRATE
TILT SENSOR is shown on the display.
9 Momentarily activate steer in the right direction
until VALVE THRESHOLD CURRENT is shown
on the display.
Joystick Controlled Functions:
10 Press down on the foot switch and slowly
deflect the joystick to be adjusted until the valve
is operating at the desired threshold current.
Result: The display will indicate the threshold
current parameter in milliamps while operating
the function.
11 While operating the function and the function is
barely moving, momentarily activate the drive
enable toggle switch in the right direction to
save the desired value.
Result: The alarm will sound indicating the
setting has been saved. Release the foot
switch. Continue to the next threshold current
adjustment.
Switch Controlled Functions:
12 Perform steps 1 through 9 to enter the sub
menu THRESHOLD CURRENT on the display.
13 Momentarily activate the speed select toggle
switch in either direction until the bar graph is
at about 50% on the display.