Section 408.14523. Hydraulic and pneumatic systems.

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(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.

History: 1979 AC.

                    
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