Mich. Admin. Code R. 408.14248 - Point of operation devices
Rule 4248. Effective August 31, 1974, the following shall pertain to a mechanically operated hammer used for cold re-strike operations:
(a) Where only 1 hand is
used for holding the material, a safety stop, dog or catch shall be provided to
prevent the ram from descending until this device has been released and is held
out of the way by the other hand, or a hand lever instead of a foot treadle
shall be provided for tripping the hammer.
(b) On a hammer where neither hand is used
for holding the material, there shall be provided a point of operation device
that restrains the operator from inadvertently reaching into the point of
operation or which automatically withdraws the operator's hands if they are
within the point of operation as the dies close, or a tripping lever or safety
stop or both that will require concurrent use of both hands to trip the
hammer.
Notes
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