Hot
Axle
Symptoms
of Hot axle in Roller Bearing Vehicle
§ Splashing of grease around the hot axle box
§ De-colorization of axle box front cover
§ Red glow indication due to heated axle box front cover
§ Metallic sound
§ Smell of burnt grease
§ Skidding of wheels
§ Tilting of axle box
§ Punctured front cover
§ Peeling of paint from axle box front cover
In other Vehicles
§ Warm or hot
§ Smell of burnt oiled waste.
§ Whistling sound
§ Smoke and then flame
Duties
of LPs during Hot Axle
A Hot Axle observed on a train formation is indicative of an impending derailment,
and is therefore to be treated as an accident situation.
Ø When an LP receives information that his train is running with a hot
axle, He shall stop the train immediately.
Ø He shall examine the axle box after opening the axle box face plate.
Ø After attending, the LP shall exercise his discretion with regard to the
restricted speed which is safe for the vehicle to run.
Ø The SM receiving advice of Hot Axle vehicle on a train shall receive the
train on the main line, if unable to do so; shall receive on the first
unavoidable turnout only after stopping the train at the FSS. On arrival the
vehicle shall be examined by the C & W staff or LP of the train.
Ø The vehicle shall be detached if considered unsafe to run.
