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 166
size of piston rod, which allows them to pass over any en-larged crosshead fitted to that size. The re-enforcingrings G have nothing to do with making a steam-tightjoint. Their only office, as their name implies, is to pre-vent the steam pressure from forcing the soft packingrings through the… … PLATE 44. The grooves for holding the metallic packing and re-enforcing rings are formed by the Tee Ring C, the out- 156 PISTON AND VALVE-STEM PACKING. side face of B and the inside face of D. These faces aresmooth-finished, making steam-tight joints when thegland is in position. To allow the…
Locomotives
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