30 CFR § 56.14210 Movement of dippers, buckets, loading booms, or suspended loads.
(a) Dippers, buckets, loading booms, or suspended loads shall not be
swung over the operators' stations of self-propelled mobile equipment until
the equipment operator is out of the operator's station and in a safe
(b) This section does not apply when the equipment is specifically
designed to protect the equipment operator from falling objects.
U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939 www.msha.gov | Telephone: (202) 693-9400 | Fax-on-demand: (202) 693-9401