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
the valve-stemor yoke is broken and the relief valve is in the frontend of the^steam-chest, the rocker arm should beplumbed, the valve-stem disconnected, the relief valvetaken out, the valve moved back against the valve-stem and suitable blocking inserted against the valveon the opposite side. This… … 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).
Locomotives
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