49 C.F.R. § 230.63 Smoke box, steam pipes and pressure parts.
Title 49 - Transportation
The smoke box, steam pipes and pressure parts shall be inspected at each annual inspection, or any other time that conditions warrant. The individual conducting the inspection must enter the smoke box to conduct the inspection, looking for signs of leaks from any of the pressure parts therein and examining all draft appliances.
Title 49: Transportation
PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
Subpart B—Boilers and Appurtenances
Steam Pipes
§ 230.63 Smoke box, steam pipes and pressure parts.
