Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules (1908)
National correspondence school of railroading, Chicago. [from old catalog] · [Chicago] · leaf 199
PLATE 67, steam-chest and steam admitted to the chest. If there isno blow at the stack, the valve should be secured in thatposition by clamping the valve-stem, the main rod takendown and the crosshead blocked ahead; the front cylin-der cock should be removed or blocked open (Plate 68). … PLATE 68. BREAKDOWNS. 189 If a blow occurs at the stack with the valve at thefront of the chest, the steam-chest cover must be takenup, and the valve placed centrally on its seat, and securedin that position by the valve-stem and a block of woodplaced in front of the valve and chest (Plate 69).
Locomotives
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