. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . Forward Tire, Eight-Wheel Engine. If a forwardtire of an eight-wheel engine breaks, the forward drivershould be run on a wedge considerably thicker thanthe tire in order to allow for settling, the cellar re-moved and a block substituted, and the space betweenthe pedestal brace and the cellar blocked up solidly(Plate 89). If the engine is equipped with an overhungspring rigging, a block should be placed between thespring saddle and the top rail of the frame; if
. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . Forward Tire, Eight-Wheel Engine. If a forwardtire of an eight-wheel engine breaks, the forward drivershould be run on a wedge considerably thicker thanthe tire in order to allow for settling, the cellar re-moved and a block substituted, and the space betweenthe pedestal brace and the cellar blocked up solidly(Plate 89). If the engine is equipped with an overhungspring rigging, a block should be placed between thespring saddle and the top rail of the frame; if an under-hung spring rigging, the forward end of the equalizer 212 PLATE 89. should be chained up. The weight on the driving box ofall types of engines with a broken tire must be relieved,when the pedestal is not strong enough to withstandthe weight. If the forward tire is broken on an enginehaving an underhung spring rigging, and the equalizeris chained up, a block should be placed over the backdriving box to help carry the weight (Plate 90).
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