IHI IC75-2 Operation Manual page 35

Adjustment of Forward Span
If the machine travels in zigzag when the joystick is
operated to the maximum or the maximum speed is
different from the specification value, adjust Forward
Span on this screen.
Trim
Adjusts the balance between the revolution speeds of the
right and left travel motors when the joystick input is the
maximum in order to eliminate zigzag travel.
[+] key; Adjust in the right direction. (Slows down the
maximum speed of the right travel motor.)
[-] key; Adjust in the left direction. (Slows down the
maximum speed of the left travel motor.)
Be careful with the balance between the right
•
and left travel pressures. If the travel load is
small, adjustment may not take effect easily.
If zigzag travel cannot be adjusted with Trim,
•
adjust Span below.
Span
Adjusts the revolution speeds of the right and left travel
motors when the joystick input is the maximum.
[+] key: Speeds up the travel speed.
[-] key: Slows down the travel speed.
The maximum speed cannot be adjusted
•
exceeding the specification value.
• If the response of the steering wheel is slow,
adjusting [-] may improve the response speed.
If the maximum speed is slower than the
•
specification value, adjust with [+].
IC75-2 ENG
CONTROLS
2-12