Chapter D
Chapter D
Adjustment mode
157
W301-0411E
2.2 Boom Length Adjustment
2.2.1 Boom Length Zero Adjustment
- Fully retract the boom.
- Until "Boom Length" and "Zero adjustment value" become
highlighted on the LCD (Fig. 2.1.1), press the < > key (backward)
or the < > key (forward).
Value ZERO SPAN
Boom Length [m] 9.60 9.50 31.00
Boom full retraction
Boom full extension
Detected boom length Zero adjustment value
(boom full retraction length depending on the model)
- Operate the <
> key (-) and the < > key (+) so that the detected boom length becomes the zero
adjustment value. When the adjustment length is reached, press the <
> key to register the adjustment
value. After the adjustment value is registered, " " is shown at the left of zero adjustment value.
Note: When the zero adjustment value is adjusted, the span adjustment is needed because the span
adjusted value changes automatically.
2.2.2 Boom Length Span Adjustment
- Fully extend the boom.
- Until "Boom Length" and "Span adjustment value" become highlighted on the LCD (Fig. 2.1.1), press the
< > key (backward) or the < > key (forward).
Value ZERO SPAN
Boom Length [m] 31.30 9.50 31.00
Detected boom length Span adjustment value
(boom full extension length depending on the model)
- Operate the <
> key (-) and the < > key (+) so that the detected boom length becomes the span
adjustment value. When the adjustment length is reached, press the <
> key to register the adjustment
value. After the adjustment value is registered, " " is shown at the left of span adjustment value.
2.2.3 Adjustment Check
- Fully retract the boom again.
- The adjustment is completed when the detected boom length is within the standard tolerance. If the value is
out of the tolerance, perform the zero adjustment and span adjustment again.
L(m)
V(v)
Span
Zero
