A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 175
late d, the diaphragm allowing flexibility ofmotion while also preventing the pressure from getting on itstop side. The spring i is screwed down by means of the plugj 90 CAR HEATING. §13 until it requires an air pressure of 60 pounds per square inch toraise the diaphragm, and so lift valve e off… … auxiliary reservoir on account of the valve n acting as a check,for if the pressure in the auxiliary were to get less than that inthe air tank (7, the greater pressure in the latter would keep nfirmer on its seat. Of course, if valve n leaks, its value as anon-return check is gone; and this is one…
Locomotives · Locomotive boilers · Railroad cars
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-419-261.webp)
