Manitowoc GROVE GMK7450 - Page 303

Maintenance work on the superstructure
8.12 Hoist ropes
16.08.2018
Maintenance manual 3 302 577 en 8 - 101
GMK7450
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 orig-
inal replacement ropes!
s
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
∅ 13 mm ∅ 16 mm ∅ 17 mm
to
78 mm
to
390 mm
to
96
mm
to
480 mm
to
102 mm
to
510 mm
101-120 3 5 3 5 3 5
121-140 3 5 3 5 3 5
∅ 19 mm
∅ 22 mm ∅ 24 mm
to
114 mm
to
570 mm
to
132 mm
to
660 mm
to
144 mm
to
720 mm
101-120 3 5 3 5 3 5
12
1-140 3 5 3 5 3 5
The rope section is running on a drum wound as multiple layers
∅ 13 mm
∅ 16 mm ∅ 17 mm
to
78 m
m
to
390 mm
to
96
mm
to
480 mm
to
102 mm
to
510 mm
101-120 5 10 5 10 5 10
121-140 6 11 6 11 6 11
∅ 19 mm
∅ 22 mm ∅ 24 mm
to
114 mm
to
570 mm
to
132 mm
to
660 mm
to
144 mm
to
720 mm
101-120 5 10 5 10 5 10
12
1-140 6 11 6 11 6 11