Chapter D
Chapter D
Adjustment mode
165
W301-0411E
- In the LCD (Fig. 2.6.1), press the < > key (backward) or the < > key (forward) until "Radius, K="
becomes highlighted.
_
Radius 6.78 m K=1.00
_
Load radius Deflection coefficient adjustment multiplication
- Operate the <
> key (-) and the < > key (+) so that the displayed load radius becomes the adjustment
value. (The deflection coefficient adjustment multiplication changes.)
When the load radius becomes the adjustment value, press the <
> key to register the adjustment value.
2.6.3 Moment Span Adjustment
- Fully extend the boom, and lower the boom to the specified boom angle.
- With no load (hook block only), hoist-down the hook block until just before touching the ground.
- In the LCD (Fig. 2.6.1), press the < > key (backward) or the < > key (forward) until both of "Wa" and
"Span" become highlighted.
Wa 0.34 t
_
F 1.345 mV Zero 0.000
→
0.000
_
Span 3.000
→
3.000
_
Wa: Actual hoist medium load F: Distortion voltage (converted from the pressure)
- Operate the <
> key (-) and the < > key (+) so that the displayed actual load Wa becomes the
adjustment value (distortion voltage to be corrected).
When the actual hoist medium load (Wa) becomes the adjustment value, press the <
> key to register the
adjustment value.
2.6.4 Moment Adjustment Check
- Set to the zero adjustment condition again.
(Refer to 2.6.1.)
- The adjustment is completed when the actual hoist medium load is within the standard tolerance.
If the value is out of the standard tolerance, perform the moment zero adjustment and moment span
adjustment again.
Input distortion at span adjustment
→
Distortion voltage to be corrected
