Mich. Admin. Code R. 408.12045 - Hooks
Rule 2045.
(1)
A crane or monorail equipment hook shall be discarded for any of the following
reasons:
(a) The throat opening is more than
15% larger than the manufactured size.
(b) The hook has more than a 10-degree twist
from a vertical centerline drawn through the hook socket.
(c) The hook is cracked.
(2) A discarded hook shall not be repaired or
rebuilt and placed back in service.
Notes
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