74
W301-0411E
Chapter B Chapter B
User Mode
7.4.6 Special Notes
When the winch drum front-and-rear position changeover setting is performed in the user preset menu, an
inconsistency occurs with the information that is used to calculate the hook movement as indicated in the table
below (Table 7.4.1, 7.4.2). Therefore, the user preset menu drum position adjustment and hook position
initialization will be required.
Table 7.4.1 Information used for hook movement calculation
(no winch drum position selection menu available in user preset menu)
Lift status
Winch
drum
position
Displayed
hook status
Hook
position
information
(
1)
Paid-out
length of
wire rope
No. of part
lines
Position
adjustment
（
2）
Boom lift - Main hook
For main
hook
For main
wire rope
For main
hook
Hook 1
Other than
boom lift
-
Auxiliary
hook
For auxiliary
hook
For
auxiliary
wire rope
For
auxiliary
hook
Hook 2
Table 7.4.2 Information used for hook movement calculation
(with winch drum position selection menu available in user preset menu)
Selected
specification
(#17200-96)
Lift status
Winch
drum
position
Displayed
hook status
Hook
position
information
(
1)
Paid-out
length of
wire rope
No. of part
lines
Position
adjustment
（
2）
Boom lift
Selecting "Rear"
and "Front/rear"
(0)
(Used)
Other than
boom lift
(S/T, Jib)
Boom lift Front Main hook
For main
hook
For main
wire rope
For main
hook
Hook 1
Front
Auxiliary
hook
For auxiliary
hook
For main
wire rope
For
auxiliary
hook
Hook 1
Selecting "Front"
and "Front/rear"
(1)
(Not used)
Other than
boom lift
(S/T, Jib)
Rear
Auxiliary
hook
For auxiliary
hook
For
auxiliary
wire rope
For
auxiliary
hook
Hook 2
(
1) At the calculation of hook movement, the difference between the previous hook position and current hook
position is calculated. This is the information that stores the previous hook position.
(
2) This is the hook that is selected in the drum position adjustment of user preset menu.
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