Mich. Admin. Code R. 408.14523 - Hydraulic and pneumatic systems
Rule 4523.
(1)
Flexible and rigid hydraulic and pneumatic piping and its component parts shall
have a designed safety factor of not less than 4 and shall be maintained to
prevent leaks that constitute a hazard.
(2) A hydraulic pressure relief valve shall
be provided on each separate system and set to open at a pressure of not more
than 10% above the maximum operating pressure. The discharge of the valve shall
not create a hazard for the employee. A die casting machine shall not be
operated with the pressure relief valve removed.
(3) Fire resistant fluid shall be used in
equipment where failure of a hydraulic system could cause ignition of the fluid
by molten metal or flame.
(4)
Hydraulic and pneumatic lines shall be protected from damage due to chafing or
pinching.
Notes
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