Chapter D
Chapter D
Adjustment mode
170
W301-0411E
3.4 Elevating / Telescoping Output Adjustment
The adjustment of elevating output and telescoping output is performed automatically. Perform the operation
according to the guidance message. In the screen shown in Fig. 3.1.1, select "Boom up," "Boom down," or
"Boom retract," then pressing the <
> key changes the screen to the elevating / telescoping output adjustment
display shown in Fig. 3.4.1, and the guidance message appears. To go back to the valve adjustment item
selection of Fig. 3.1.1 without storing the adjustment value, press the < > key while the adjustment is being
displayed.
Fig. 3.4.1 Elevating output adjustment display
The guidance messages and operation examples for the boom up output adjustment are shown below.
Finish !
Press set key
Engine Max, JS Max
30.0° (15.0°)
9.8 m
180
20
If the control lever is in the neutral position when the <
> key is
pressed, the message shown on the left is displayed.
Raise the engine
speed to the maximum, and perform a boom up full lever
operation
. The measurement will start automatically.
When the control lever is not in the neutral position, the message "JS
neutral" appears.
Return the lever to the neutral position
.
Press the <
> key to start the adjustment.
Maintain the operating states of full lever stroke and of maximum
engine speed.
During the measurement, the guide message disappears, and the
current output status is displayed. The displayed items are as follows
from the top: boom angle; boom length; D/A command value; cylinder
speed. The item in the parentheses indicates the crane condition
change amount since the start of measurement.
When the stroke end nears, the message "Elevate down!" appears.
When it appears,
stop the boom up operation, and lower the boom
.
Elevate down!
Before the measurement, a message is displayed. According to the
message, perform the
boom lowering operation
until the message
disappears.
When the measurement and storage are completed, the message on
the left appears.
Return the control lever to neutral,
and the screen for valve
adjustment item selection shown in Fig. 3.1.1 appears again.
