Manitowoc Grove GMK 4100L-1 Maintenance Manual page 291

Number of visible wire breaks on a rotation-resistant hoist rope
The rope section runs over a rope disc or on a drum wound as a single layer
Number of load-
bearing outer
wires
101–120
121–140
101–120
121–140
The rope section is running on a drum wound as multiple layers
101–120
121–140
101–120
121–140
Maintenance manual
GMK 4100L-1
The tables show by rope diameter the number of wire breaks in a length
6 times and 30 times the rope diameter which if reached would require
replacement of the rope.
•
Familiarise yourself with DIN ISO 4309:2013-06 (rotation-resistant ropes).
This table applies only to the hoist ropes fitted as initial equipment and
original replacement ropes.
 13 mm
to to
78 mm 390 mm
3 5
3 5
 19 mm
to to
114 mm 570 mm
3 5
3 5
 13 mm
to to
78 mm 390 mm
5 10
6 11
 19 mm
to to
114 mm 570 mm
5 10
6 11
 16 mm
to
96 mm
3
3
 22 mm
to
132 mm
3
3
 16 mm
to
96 mm
5
6
 22 mm
to
132 mm
5
6
3 302 364 en
Maintenance work on the superstructure
 17 mm
to to
480 mm 102 mm
5 3
5 3
 24 mm
to to
660 mm 144 mm
5 3
5 3
 17 mm
to to
480 mm 102 mm
10 5
11 6
 24 mm
to to
660 mm 144 mm
10 5
11 6
8.8 Hoist ropes
to
510 mm
5
5
to
720 mm
5
5
to
510 mm
10
11
to
720 mm
10
11
s
8 - 55