Section 408.12425. Slide counterbalance systems.

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(1) Spring counterbalance systems, when used,   shall incorporate means to retain system parts in event of breakage.

(2)   Spring counterbalances, when used, shall have the capability to hold the slide and its attachments at midstroke, without brake applied.

(3)   An air counterbalance cylinder shall:

(a)   Incorporate means to retain the piston and rod in case of breakage or loosening.

(b)   Have adequate capability to hold the slide and its attachments at any point in stroke, without brake applied.

(c)   Incorporate means to prevent failure of capability (sudden loss of pressure) in event of air supply failure.

History: 1979 AC.

                    
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