053-6 Wyo. Code R. § 6-5
(a) A visual inspection of the drawworks and its working parts shall be made each day or tour before operations begin.
(b) All guards and covers shall comply with Chapter 5, Section 2 . of these rules and regulations.
(c) If lubrication fittings are not outside of guards, machinery shall be completely stopped for oiling and greasing.
(d) When it becomes necessary to remove a guard, the drawworks shall be completely stopped.
(e) All air compressors shall have at least one (1) pressure control for proper air flow.
(f) The safety pressure relief valve on main air tank shall be checked periodically and kept in proper working order.
(g) All valves or other working devices on hydrostatic lines shall never be set higher than the design rating of the hydraulic system or the manufacturer's listed rating of the lines, whichever is less.
(h) Safety pressure relief valves on hydrostatic lines shall never be set higher than the design rating of the hydraulic system or the manufacturer's listed rating of the lines, whichever is less.
(i) The brakes, linkage and brake flanges on the drawworks shall be tested and visually inspected each day.
(j) The equipment operator shall not leave the brake without tying the brake down or securing it with a catch lock.
(k) The equipment operator shall not leave the brake while hoisting drum is in motion.
(l) Catheads on which a rope is manually operated shall have a rope guide to hold the on-running rope in alignment with its normal running position against the inner flange.
(m) When a rope or line is in use on a cathead, all other ropes or lines shall be placed so as not to come in contact with the cathead or with the rope or lines on the cathead.
(n) When the cathead is unattended, no rope or line shall be left wrapped on or in contact with the cathead.
(o) When the cathead is in use, there shall be an authorized employee at the drawworks control and/or safety shutdown switch by the cathead to stop rotation in case of emergency.
(p) Catheads must be checked for grooves and rebuilt and turned or replaced when necessary to prevent fouling.
053-6 Wyo. Code R. § 6-5