Operating elements for crane operation
9.2 Short description of the operating elements
Operating manual GMK 6400 3 112 993 en 9 - 61
12.07.2013
9.2.4 Seat contact switch and dead man's switch
The seat contact switch and the dead man's switch are safety devices for
releasing crane functions.
Releasing crane functions
– Sit down – seat contact switch (2) on.
or
– Press at least one dead man's switch (1).
Safety function on
– Get off seat – seat contact switch off.
and
– Both dead man's switches (1) not pressed.
All operating elements for crane functions in
the crane cab are locked.
Any crane movements are slowed down to
standstill within 3 seconds and then locked.
Crane cab seat – version 2
The seat contact switch is very sensitive. It is recommended that you also
press the dead man's switch in order to avoid unintentional shutdown.
à Seat contact switch, p. 11 - 11
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