229.101—Engines.
(a)
The temperature and pressure alarms, controls and related switches of internal combustion engines shall function properly.
(b)
Whenever an engine has been shut down due to mechanical or other problems, a distinctive warning notice giving reason for the shut-down shall be conspicuously attached near the engine starting control until repairs have been made.
(c)
Wheel slip/slide protection shall be provided on a locomotive with an engine displaying a warning notice whenever required by § 229.115(b).