. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . 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).. PLATE 90. Back Tire, Eight-Wheel Engine. If a back tire onan eight-wheel engine bre
. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . 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).. PLATE 90. Back Tire, Eight-Wheel Engine. If a back tire onan eight-wheel engine breaks, it should be blocked upin the same manner as for the tire on a back driver oia ten-wheel engine (Plates 88 or 91). Trailer Tires. If a trailer tire breaks, run thewheel up on a wedge a little higher than the thick-ness of the tire, remove the cellar and place a blockbetween the bottom of the journal and the box. Ablock should then be placed between the bottom ofthe box and the pedestal, the cross equalizer blockedup in the safety hanger, or the equalizer chained tothe frame and a tie or rail placed over the deck of the BREAKDOWNS. 213 engine and the deck of the tank and chained to themain frame (Plate 91), wedges being used to take upthe slack in the chain. This manner of chaining serves
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