July 2019
9
Start a timer and activate the machine function
that needs to be adjusted. Using the ground
control functions is the same as asking for full
joystick deflection at the platform.
10 Record the time it takes for that function to
complete the ramp.
11 Compare the machine function time with the
function times listed in Specifications,
Performance Specifications. Determine
whether the ramp time needs to increase or
decrease.
12 Adjust the parameter in the ground display to
achieve the proper ramp time.
Note: Refer to 1-7 Display Module Menus for ramp
rates.
Part No. 1286829GT
S-40 XC • S-45 XC • S-40 TraX • S-45 TraX
Control System
How to Adj ust the Joystick Thr es hol d Setting
How to Adjust the Joystick
Threshold Setting
The threshold setting of a joystick is the minimum
output at which a function proportional valve can
open and allow the function to operate.
The boom function threshold current should be
operating at near zero speed, smoothly with no
vibrations.
Note: Perform this procedure with the boom in the
stowed position.
1
Enter the Service Mode.
2
Press the SETTINGS button above the display
screen.
3
Select SPEEDS from the display screen.
4
Navigate to the desired function's Threshold
setting.
5
Select the desired setting to change and press
OK.
6
In the parameter adjustment screen, use the
display buttons to change the parameter. Note
that the factory default speed is considered
100% for threshold values.
7
Scroll and press OK. The change is effective
immediately.
8
Switch the machine control to platform control
and start the engine from the platform
controls..
9
Using the joystick, verify that the function
engages smoothly and without sudden
movement or excessive joystick dead spots.
10 Adjust the parameter in the ground display to
achieve a smooth function threshold.
Service and Repair Manual
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