30 CFR § 77.1606
Loading and haulage equipment; inspection and maintenance.
(a) Mobile loading and haulage equipment shall be inspected by a
competent person before such equipment is placed in operation. Equipment
defects affecting safety shall be recorded and reported to the mine
operator.
(b) Carriers on aerial tramways, including loading and unloading
mechanisms, shall be inspected each shift; brakes shall be inspected daily;
ropes and supports shall be inspected as recommended by the manufacturer or
as physical conditions warrant. Equipment defects affecting safety shall be
reported to the mine operator.
(c) Equipment defects affecting safety shall be corrected before the
equipment is used.