Malfunctions during crane operation
14.5 Emergency operations and programs
14 - 32 3 302 709 en Operating manual
GMK5150L
12.01.2018
Unlocking lock
• (A) – Extend about 35 mm (0.11 ft), so that
the cutout (4) is accessible.
• (B) – Screw a bolt into the bore (1). The lock-
ing pins (2) must retract behind the tele-
scopic section (3).
If necessary, give the locking pin (3) a slight
knock to help this procedure.
• Unlock the lock on other side of the
telescopic section as well.
Locking the telescopic section
• (A) – Retract the telescoping until the locking
pin (2) is in the middle of the opening.
• Unscrew the bolt from the bore (1) until the
locking pin (2) is fully extended.
• Remove the bolt from the bore (1).
• (B) – Retract the telescoping further until the
telescopic section is set down.
S
Risk of damage due to a mechanically released lock
Under no circumstances may you operate the telescoping cylinder whilst
the lock is mechanically released. Unscrew all bolts out of the bores imme-
diately after finishing the repair work.
This prevents damage to the telescoping cylinder and the locking system.
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