Crane operation
11.1 Before operating the crane
11 - 6 3 112 993 en Operating manual GMK 6400
12.07.2013
Checking the
position of the
hoist ropes
The hoist mirrors need to be folded out; Ã p. 12 - 136.
Always check the entire length of the winding
of the ropes (1).
• Slowly perform the lowering movement until
the rope has moved over the complete
width (X) of the rope drum.
– The rope needs to be evenly wound.
– The rope turns on the drum must be
evenly spaced at a distance of 0 to 2 mm
(0 to 0.08 in).
– The cross-over points must be at an angle
of about 180°.
H
The ropes of the top layer lie over the ropes of the bottom layer at the cross-
over points.
Checking the
electrical system
• Check the following functions and have faulty parts repaired.
– Spotlights, air traffic control light, rotating beacons
– Windscreen wipers, windscreen washing system
–Horn
G
Risk of crushing due to turning rope drum
Keep away from the rope drum while it is turning.
This will prevent your limbs from being drawn in and getting crushed.
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