46 CFR §108.223
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each unit must have hand covers, guards, or rails installed on all belts, gears, shafts, pulleys, sprockets, spindles, flywheels or other reciprocating, rotating or moving parts of machinery or equipment normally exposed to contact by personnel.