II - 37
WSM Minor Change II Service Engineering Section
3. Illustration of the start-point setting
Move the knob, and you will find the point where the thumb cylinder starts moving. Just when the
cylinder gets activated, press the selector switch. Do this for the right and left movements of the
knob.
Does control start when the start-point has been reached?
Pilot secondary pressure signal
PWM current
S/P section
Main hydraulic line
Voltage fluctuation signal
according to the knob's
movement
[mA]
Knob movement [T]
Input current when
the thumb cylinder
starts moving.
Pilot secondary pressure
starts moving.
when the thumb cylinder
[mA]
Ps [kgf/cm
2
]
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