. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . PLATE 99. 220 BREAKDOWNS. BROKEN SPRING, HANGER OR EQUALIZER—TEN-WHEEL ENGINES WITH UNDERHUNG RIGGING. A six-wheel connected engine with an underhungspring rigging is one on which all springs and equalizersare hung under the lower rail of the frame. If the backhanger of the back spring, the front hanger of the mid-dle spring, front hanger of the front spring, back hangerof the front spring, the front spring or the front equalizer,is broken, the back driver shou
. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . PLATE 99. 220 BREAKDOWNS. BROKEN SPRING, HANGER OR EQUALIZER—TEN-WHEEL ENGINES WITH UNDERHUNG RIGGING. A six-wheel connected engine with an underhungspring rigging is one on which all springs and equalizersare hung under the lower rail of the frame. If the backhanger of the back spring, the front hanger of the mid-dle spring, front hanger of the front spring, back hangerof the front spring, the front spring or the front equalizer,is broken, the back driver should be run on a wedge, aniron block placed on top of the middle driving box, theback driver run off the wedge, the middle driver run on awedge, blocking placed solidly over the front and backdriving boxes and the main driver then run off the ioo shows the frame elevated and blocks placedon top of both front and back drivers so that if any ofthe following parts are broken the blocks can be placedin the following manner:. PLATE 100. Forward Hanger of the Front Spring. If the for-ward hanger of the forward spring is broken, a blockshould be placed between the forward end of the frontspring and the lower rail of the frame at 1. Back Hanger of the Back Spring. If the backhanger of the back spring is broken, a block shouldbe placed between the back end of the back spring andthe lower rail of the frame at 7. Front Spring. If the front spring is broken, the for-ward end of the front equalizer 3 should be chained up,or a block placed between the forward end of the mid- BREAKDOWNS. 221 die spring and the lower rail of the frame at 4. In caseof doubt as to whether the middle and back springswould carry the weight, a block should be placed overthe front driving box 5, so that it can carry its ownweight. Front Equalizer. If the front equalizer is brokena block should be placed between the back end of thefront spring 2 and the lower rail of the frame, and an-other block placed b
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