. Locomotive engineering : a practical journal of railway motive power and rolling stock . Fig. 1TRUCK TILTING OX OUTSIDE HUNG BRAKE. pounds, the moment is only X l7 X 2 = 10,687 foot pounds, or nearlythree and one-half times less than withoutside beams. Besides the reduction dueto the lever arm. the forward momentumof car body, truck bolster and truck frame men proceed to grind the check valve toits seat. It is not uncommon to see oper-ators using a stick forced into the openingof the valve, twirling it to grind in thevalve. The check valve should be prop-erly ground, if the 20 per cent
. Locomotive engineering : a practical journal of railway motive power and rolling stock . Fig. 1TRUCK TILTING OX OUTSIDE HUNG BRAKE. pounds, the moment is only X l7 X 2 = 10,687 foot pounds, or nearlythree and one-half times less than withoutside beams. Besides the reduction dueto the lever arm. the forward momentumof car body, truck bolster and truck frame men proceed to grind the check valve toits seat. It is not uncommon to see oper-ators using a stick forced into the openingof the valve, twirling it to grind in thevalve. The check valve should be prop-erly ground, if the 20 per cent, additional. Fig. 2XO CONSIDERABLE TILTING ON INSIDE HUNG BRAKE. tend to counteract the backward tiltingtendency, and the result is practically asshown 111 Figure 2. the unpleasant recoilis nearly absent and the riding of the carsconsiderably improved. C. , Pa. pressure in the brake cylinder shall ac-ci mplish its intent. The sketches herewith submitted showa simple device and quick method forgrinding the valve. The brace is madefrom an old reversing valve stem, withproper offset. The end is cut off and flat- LOCOMOTIVE ENGINEERING. 699 tened as shown, leaving the cars as a guidefor the plug. The plug is made >i brassand sawed to allow tension to obtain asnug tit when it is forced into the valve. Attach to the tool box a suitablebracket to hold the check valve case andgrind the valve to its seat with oil and amedium grade of pulverized quartz orground glass, occasionally raising thevalve from its scat and reversing thestroke, to guard against producinggrooves. With a piece of waste, us
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Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
