TM 10-3950-672-10
4. Reductions from nominal diameter of more than
1/64-inch for diameters up to and including 5/16-inch
1/32-inch for diameters 3/8 and 1/2-inch inclusive
3/64-inch for diameters 9/16 to 3/4-inch inclusive
1/1 6-inch for diameters 7/8 to 1-1/8 inches inclusive
3/32-inch for diameters 1-1/4 to 1-1/2 inches inclusive.
5. In standing ropes, more than two broken wires in one lay in sections beyond end connections or more than one
broken wire at an end connection.
Refuse to work with worn or damaged wire rope.
Demand to see the rope inspection record required by law and inspect the wire rope yourself.
Don't take another person's word.
Never handle wire rope with bare hands.
Inspect the boom nose and hook block sheaves for wear. Damaged sheaves cause rapid deterioration of wire rope.
Use the wire rope that is specified by the manufacturer.
LIFT ONE LOAD AT A TIME. Do not lift two or more separately rigged loads at one time, even if the loads are within the
rated crane capacity.
USE ENOUGH PARTS OF LINE FOR HEAVY LIFTS AND CHECK ALL LINES, SLINGS, AND CHAINS FOR CORRECT
ATTACHMENT. To obtain maximum lifting capacities the hook block must be set up with enough parts of line NO LESS
THAN TWO WRAPS of wire rope should remain on the hoist drum. When slings, ties, hooks, etc., are used, make
certain they are correctly positioned and secured before raising or lowering the loads.
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