Malfunctions during crane operation
14.5 Emergency operations and programmes
14 - 56 3 112 993 en Operating manual GMK 6400
12.07.2013
To pre-select a power unit
• Press the button for the desired power unit once, e.g. the button (1) for the
main hoist
When the function is enabled, the lamp in the button lights up.
H
With the telescoping mechanism, teleautomation with the target 0/0/0/0 is
always selected at the same time – fully retract.
The extension function is disabled in emergency mode.
Operating a power
unit
All the safety instructions contained in the sections on the individual power
units also apply to operation with the hand-held control.
• Press the required function buttons one after the other, e.g. for Lift main
hoist
, press button (1) first, and then also button (2).
The further you press button (2), the quicker the movement is. The maxi-
mum speed is limited to about 50% for all power units.
G
Danger of overturning when moving into the shutdown ranges
Avoid lowering the boom. If you cannot avoid lowering, try to set down the
load beforehand and ensure that the maximum permissible working radius
is not exceeded for the rigging mode as specified in the
Lifting capacity table.
Before slewing, always check whether this is permissible in the current rig-
ging mode;
à Slewing with rigged counterweight, p. 12 - 89.
G
Risk of accident when operating the slewing gear
Set down in the crane cab to operate the slewing gear. This prevents you
from being pushed off the carrier or being crushed by the carrier as a result
of slewing.
Lay the connecting cable of the hand-held control so that it will not catch on
anything.
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