49 C.F.R. § 229.91 Motors and generators.
Title 49 - Transportation
A motor or a generator may not have any of the following conditions: (a) Be shorted or grounded. (b) Throw solder excessively. (c) Show evidence of coming apart. (d) Have an overheated support bearing. (e) Have an excessive accumulation of oil.
Title 49: Transportation
PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS
Subpart C—Safety Requirements
Electrical System
§ 229.91 Motors and generators.
