Mich. Admin. Code R. 408.12044 - Wire rope
Rule 2044.
(1)
A wire rope used on a crane or monorail equipment shall be replaced if any of
the following conditions exist:
(a) Within a
segment of 8 diameters in length, the total number of broken wires exceeds 10%
of the total number of wires.
(b)
The wire rope has been kinked, crushed, or bird-caged or has sustained any
other damage which distorts the wire rope structure.
(c) The wire rope shows heat or corrosive
damage.
(2) If wire rope
is discarded from a crane or monorail equipment because of a condition
specified in subrule (1) of this rule, the damaged portion shall not be used
for a sling.
(3) Wire rope for a
crane or monorail equipment that has been clipped or spliced to form an eye
shall be equipped with a thimble or equivalent.
(4) An end fitting shall be a clamp, swage
socket, or a zinc, or equivalent poured socket. Before cutting wire rope,
seizings shall be placed as follows:
(a) One
seizing on each side of the cut on a preformed wire rope.
(b) Two seizings on each side of 7/8-inch
size or smaller nonpreformed wire rope.
(c) Three seizings on each side of 1-inch or
larger size nonpreformed wire rope.
Notes
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