Malfunctions during crane operation
14.5 Emergency operations and programs
Operating manual 3 302 819 en 14 - 37
GMK3060
13.12.2018
• Retract the telescopic section slowly all the way
to the end stop;
à Locking points for the
telescopic sections, p. 14 - 40.
• Extend to about 25 mm (1 in).
• Select and confirm the symbol (2).
The telescopic section is locked – display
symbol (3), locking pin (1) green.
• Set down the telescopic section, retracting it as
far as it will go.
Unlocking the telescoping cylinder
If the telescopic section (1) is locked, you can now unlock the telescoping
cylinder.
• Select and confirm the symbol (1).
The telescoping cylinder is unlocked – display
symbol (3), locking pin (2) red.
You can now move the telescoping cylinder into
the next telescopic section;
à Locking points for
the telescoping cylinder, p. 14 - 39.
s
G
Risk of accidents from sudden retraction of a telescopic section!
You can select and confirm the symbol for unlocking the telescoping cylinder
only a maximum of 2 times. If this does not start the unlocking procedure,
contact
Manitowoc Crane Care.
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