Harrington Hoists and Cranes RH - Advantage Wire Rope Hoist - Manual (Page 36)

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Table 5-7 Wire Rope Wear Dimensions
Maximum Allowable Number of Broken Wires
Rope Diameter
For 6xDia. Length For 30xDia. Length
Standard Discard
Hoist
Size
(mm) (mm) (in)
Rope
Diameter
(mm)
No.
Broken
Wires
Length
(in)
No.
Broken
Wires
Length
(in)
2 9 8.4 0.33 9 3 2.1 6 10.6
3 13 12.1 0.48 13 7 3.1 14 15.4
Table 5-8 Braking Distance (inches) With Nominal Load
No. of Falls Speed HOIST SIZE* ⇒ 1 2 3 4
Maximum Limit Before Adjustment 1.77 2.36 2.95 3.54
4 Fall 16 ft/min
Best Value Following Adjustment 0.59 0.79 0.98 1.18
*To determine the hoist size, refer to Section 2.1.2 .