Maintenance work on the superstructure
8.9 Hoist ropes
16.11.2018
Maintenance manual 3 302 756 en 8 - 71
GMK6400
8.9 Hoist ropes
8.9.1 Checking the winding
Prerequisites – Video monitoring of the hoists from the crane cab is switched on;
à Operating manual.
– A hook block must be reeved; à Operating manual.
– The main boom is lowered to about 30°; à Operating manual.
– The engine has been started.
Checks
Always check the entire length of the winding
of the ropes (1).
• Slowly perform the Lower movement until
the rope has moved over the complete
width (X) of the rope drum.
– The rope must be evenly wound.
– The rope turns on the drum must be even-
ly spaced, 0 to 2 mm (0 to 0.08 in) apart.
– The cross-over points must be offset by
about 180°.
H
The ropes of the top layer lie over the ropes of the bottom layer at the
cross-over points.
G
Risk of accidents due to rotating 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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