Manitowoc Grove GMK 4100L-1, Maintenance Manual

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Maintenance work on the superstructure
8.8 Hoist ropes
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Maintenance manual 3 302 364 en 8 - 51
GMK 4100L-1
8.8 Hoist ropes
8.8.1 Checking the winding
Prerequisites – Video monitoring of the hoists from the crane cab is switched on;
à
Operating Instructions .
– One hook block must be reeved;
à
Operating Instructions
.
– The main boom must be raised to about 30°;
à
Operating Instructions .
– The engine must be started.
Checking
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 must be evenly wound.
– The rope turns on the drum must
be evenly spaced, 0 to 2 mm
(0 to 0.08 in) apart.
– The cross-over points must be offset
by approximately 180°.
H
The ropes of the top layer lie over the ropes of the bottom layer at the
cross-over points.
D
G
Risk of accidents when the rope drum is turning.
Keep away from the rope drum while it is turning.
This will prevent your limbs from being drawn in and getting crushed.