. The railroad and engineering journal . oirs, triple-valves, and pressure-retaining valves are not used, and the brakehas no automatic action. Question 662. Iloiv can the Automatic Brake be used as aStraig/it Air Brake? Answer. The old form of Automatic Brake can be convertedinto a Straight Air Brake by simply turning the handle A, , of the four-way cock on the triple valve downward to /I/,so as to stand in a vertical ( | ) position ; the cock then opensdirect communication from the brake-pipe to Ihe brake-cylinders through the channels n f </. With the new quick-act-ing triple-valv
. The railroad and engineering journal . oirs, triple-valves, and pressure-retaining valves are not used, and the brakehas no automatic action. Question 662. Iloiv can the Automatic Brake be used as aStraig/it Air Brake? Answer. The old form of Automatic Brake can be convertedinto a Straight Air Brake by simply turning the handle A, , of the four-way cock on the triple valve downward to /I/,so as to stand in a vertical ( | ) position ; the cock then opensdirect communication from the brake-pipe to Ihe brake-cylinders through the channels n f </. With the new quick-act-ing triple-valve, which will be described further on,_ihe Auto-matic Biake cannot be converted into a Straight Air^Brake. OUESITON 663. IVhen should the Aiitoiiiatir Brake be used asa Straight Air Brake? Answer. In case of serious leakage of pipes, or other defectwhich prevents the use of the automatic brake, the handle of thefour-way cocks of all the triple-valves, those on vehi-cles on which the brakes are cut out, should fje turned down-. Fig- 391- Answer. A vertical pipe with a cock or valve, 28, Plate VI—called a conductors valve —on the upper end is connected tothe brake-pipe on each car. By opening this valve the air inthe brake pipe can escape which applies the brakes. A cordwhich extends the whole length of the car is usually connectedto this valve, so that it can be pulled from any part of Ihe car. ytiEsriON 659. How is the moisture which conienses in theinside of the pipes and rescri-oirs remoied ? Answer. A cup called a drip-cup is connected to the brake-pipes below the tender, from which the water that collects init is drawn by means of a cock in the bottom of the are also attached to each reservoir, and when they areopened and if there is any water in the leservoirs it can escape. QUES riox (160. How are the air brakes on the locomotive ar-ranged ? Answer. The brake-shoes aie usually applied to the driving-wheels, and are located between these wheels, as
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
