Operating elements for crane operation
8.2 Brief description of the operating elements
8 - 88 3 302 633 en Operating Instructions GMK5250L
27.09.2017
8.2.5 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.
Enabling 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. 10 - 12
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