§57.14114. Air valves for pneumatic equipment.
30 C.F.R. § 57.14114
A manual master quick-close type air valve shall be installed on all pneumatic-powered equipment if there is a hazard of uncontrolled movement when the air supply is activated. The valve shall be closed except when the equipment is being operated.
Notes, amendments, and revision history
Amendments
[53 FR 32528, Aug. 25, 1988; 53 FR 44588, Nov. 4, 1988]
Source
Source: 53 FR 32528, Aug. 25, 1988, unless otherwise noted.
Authority
Authority: 30 U.S.C. 811.
Source
Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
Amendments
[53 FR 32528, Aug. 25, 1988; 53 FR 44588, Nov. 4, 1988]