How To Adjust The Joystick Threshold Setting - Terex Genie Z-60 DC Service Manual

August 2022
How to Adjust the Joystick How to Adju st th e Joys tick T hres hold S etting
Threshold Setting
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:
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 controls. 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 the 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.
Part No. 1307785GT
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.
Z ® -60 DC • Z ® -60 FE
Service and Repair Manual
Platform Controls
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