Hot Box
An overheated axle box. Usually the result of insufficient lubrication, or excessive speed.
Hump Shunting ...
Hot box
An overheated wheel bearing, which if left undetected, can burn off and cause a derailment. (Friction created between moving metal parts generates heat and eventually will melt a 6-inch diameter steel axle.)
Hot box detector (HBD) ...
Hot Box
Overheated journal or bearing. Also called hub. This was a frequent cause of delay in the old days but is virtually nonexistent on trains that are completely equipped with ball-bearings. Trainmen are sometimes called hotbox detectors ...
Hot Box and Dragging Equipment detector locations are noted. It was very important to know the exact location of the detectors for braking purposes.
Hot Box
Overheated wheel journal or wheel bearing caused by excess friction between bearing and journal, lack of lubricant, or foreign matter which usually causes journal packing to burn and smoke.
Hot Box Detector ...
Hot Box On friction bearings, an overheated journal bearing. Hot Spot Loaded double-stack or container train. House Track A track entering, or along side a freight house. Cars are spotted here for loading or unloading.
Hot Box On friction bearings, an overheated journal bearing. House Track A track entering, or along side a freight house. Cars are spotted here for loading or unloading.
I ...
Hot Box (or Hotbox)
RAILWAYS. An overheated axle bearing.
Hot Box Detector (or Hotbox Detector)
RAILWAYS.
Hot Box A term for an axlebox which has become over heated because of a breakdown of lubrication or excessive overloading. Nowadays largely eliminated by the adoption of roller bearing axleboxes which have replaced plain bearing axleboxes.
That is what the prototype will do if a car is dangerous or has a hot box. If the car is lame, put it in a siding and let the next local pick it up. Give the car card to the yardmaster and let him know where the car is.
All Black
No defects visible on the side of the train, especially hot boxes or sticking brake shoes, which would stand out from the otherwise black running gear.
All Darkie, No Sparky
Hi-Ball on a roll by.
They are brightly colored for visibility - a train approaching from the rear can more easily see them. Cupolas on the roof or side allow crews to observe the train and watch for problems like hot boxes.
 See also: Track, Locomotive, Train, Engine, Switch
  
|
RSS
