Crane operation
11.1 Before operating the crane
Operating manual GMK 6400 3 112 993 en 11 - 17
12.07.2013
Switching off the
houselock
• Check that the slewing gear is switched off, and switch if off if it is not;
à Switching off the slewing gear, p. 11 - 15.
• Press in button (1) at the bottom until sym-
bol (2) turns red.
The display will first show symbol (3) in yellow
and when the houselock is switched off, it will
show symbol (2) in red.
S
Risk of damage during slewing
Always switch off the slewing gear before you operate the houselock. The
system will be damaged if the superstructure is slewed during the locking
procedure.
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