Manual
51
Table 5-7 Wire Rope Wear Dimensions
Hoist
Size
Rope Diameter
Maximum Allowable Number of Broken Wires
Rope
Construction
Rope
(mm-
spec.)
For 6xDia. Length For 30xDia. Length
Standard Discard No.
Broken
Wires
Length
(in)
No.
Broken
Wires
Length
(in)
(mm) (mm) (in)
1
7
6.6 0.26
Normal
7-B 3 1.7 6 8.3
7-M 3 1.7 6 8.3
7-A 3 1.7 6 8.3
Anti-revolving
7-B 2 1.7 4 8.3
7-A 2 1.7 4 8.3
2
8 7.6 0.30
Normal
8-M 6 1.9 12 9.4
8-A 10 1.9 19 9.4
Anti-revolving
8-M 2 1.9 4 9.4
8-A 2 1.9 4 9.4
9 8.4 0.33
Normal
9-B 3 2.1 6 10.6
9-M 3 2.1 6 10.6
9-A 3 2.1 6 10.6
Anti-revolving
9-M 2 2.1 4 10.6
9-A 2 2.1 4 10.6
3
12 11.2 0.44 Normal
12-M 14 2.8 29 14.2
12-A 13 2.8 26 14.2
13 12.2 0.48
Anti-revolving 13-A 2 3.1 4 15.4
Normal
13-B 5 3.1 10 15.4
13-M 7 3.1 14 15.4
13-A 3 3.1 6 15.4
Anti-revolving
13-B 2 3.1 4 15.4
13-A 2 3.1 4 15.4