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Compartment where the engineer (US+) / driver (UK+) and fireman control the locomotive and tend the steam supply and firebox. [ 2 ] [ 3 ] : 15 They achieve that using various devices, most of which are on the rear surface of the firebox, called the "backhead": [ 4 ] Most controls are mounted on the boiler's backhead
A driving cap is a special type of pipe cap used to provide a striking surface for a hammer while simultaneously protecting the end of the pipe from deformation. [1] A driving cap is made of much thicker or more durable material than a standard pipe cap and is always removed once installation is complete.
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The independent shaft and housing allow for continuous rotation of either component. This is an example of a two passage rotary union with independent channels that allow both liquids and gases to transfer simultaneously. [1] A rotary union is a union that allows for rotation of the united parts.
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A universal joint (also called a universal coupling or U-joint) is a joint or coupling connecting rigid shafts whose axes are inclined to each other. It is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges located close together, oriented at 90° to each other, connected by a cross shaft.
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