Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 663
heck valve, and out 6i6 LOCOMOTIVE ENGINEERING through the pipe connection leading to the straight airbrake valve, and when the pressure under the dia-phragm becomes a fraction greater than that forwhich the regulating spring 20 is adjusted, the dia-phragm will be moved up, thereby allowing the… … R.V-I10R.V-I 15R.V-I 14 R.V-I 12R.V-I I I R.V-103 R.V-I 13 R.V-I 05 R.V-I 02 phragm will be forced downand again unseat the checkvalve to admit main air pres-sure. This action enables theengineer to place the straightair brake valve in service posi-tion, and do any repair workunder his engine with…
Locomotives
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