. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . PLATE 95. BREAKDOWNS. 217 Forward and Back Spring with Underhung Rigging. If the front spring of an underhung eight-wheel en-gine is broken, the back driver should be run on a wedge,a block placed on top of the front driving box and theback driver run off the wedge. The front driver shouldthen be run on a wedge, thus relieving the back springrigging, the forward end of the equalizer pried up andchained to the lower rail of the frame, or the forward endof the ba
. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . PLATE 95. BREAKDOWNS. 217 Forward and Back Spring with Underhung Rigging. If the front spring of an underhung eight-wheel en-gine is broken, the back driver should be run on a wedge,a block placed on top of the front driving box and theback driver run off the wedge. The front driver shouldthen be run on a wedge, thus relieving the back springrigging, the forward end of the equalizer pried up andchained to the lower rail of the frame, or the forward endof the back spring blocked down (Fig; 1, Plate 96) andthe forward driver run off the wedge. If the back spring is broken the engine can be elevatedand blocked (Fig. 2, Plate 96) by proceeding in the re-verse manner to that described for front spring (Fig. 1,Plate 96).. FIG. 2—PLATE 96. Equalizer Broken at the Fulcrum with UnderhungRigging. If an equalizer is broken at the fulcrumon an engine with underhung spring rigging the backdriver should be run on a wedge, a block placed ontop of the forward driving box and the driver run 218 BREAKDOWNS. off the wedge. The forward driver should then berun on a wedge, a block placed on top of the backdriving box, and a block also placed between the for-ward end of the back spring and the lower rail of theframe. The forward driver should then be run offthe wedge, the back driver run on a wedge, a blockplaced between the back end of the forward spring andthe lower rail of the frame and the block removed fromthe top of the front driving box. The back driver shouldnext be run off the wedge and the front driver on awedge, the block removed from the top of the back driv-ing box and the front driver run down (Plate 97).
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