File:Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916) (14776695175).jpg

Identifier: cyclopediaofloco00swin (find matches)
Title: Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives
Year: 1916 (1910s)
Authors: Swingle, Calvin Franklin, 1846- (from old catalog)
Subjects: Locomotives
Publisher: Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ide of a passenger car release the brake by simplypressing a valve, without having to stop the train,thereby avoiding slid-flat wheels, pulled-out draw-heads, stalling on grades, heating of wheels, andconsequent wrecks. On flat cars and gondolas thesignal is shown from the sides of the car, oneon each end. On passenger trains the signal islocated at the side of the door in both ends of thecar, so that the signal can be seen at once by theconductor or brakeman, regardless of the direction inwhich they might be going when passing through thetrain. The Westinghouse Air Pump. The air pump, beinglocated on the engine, and directly under the super-vision of the engineer, will be first considered. Threesizes of air pumps are being manufactured atpresent by the Westinghouse Air Brake Co., viz.:the 8-inch pump, the g^-inch pump, and the 11-inchpump. The 8-Inch Pump. The cut, Fig. 224, is a sectionalview of the 8-inch pump, the different parts beingnumbered and named. 514 LOCOMOTIVE ENGINEERING
Text Appearing After Image:
59 Figure 224 Eight-Inch Pump.—See opposite page. AUTOMATIC AIR BRAKES 515 Eight-Inch Pump on the Up-stroke54. Boiler connection. 7. Main valve. 7-8 and 7-9. Large and small piston of main valve.25 and 26. Main valve bushings.50. Stop pin.23. Reversing piston. 16. Reversing valve. 17. Reversing valve stem. 18. Reversing plate. 10 and 11. Main steam and air pistons.3. Steam cylinder. 4. Neck. 5. Air cylinder.57. Main steam exhaust.41. Drain cock. 30 and 32. Discharge valves. 31 and 33. Receiving valves.53. Main reservoir connection. The 8-inch pump is so called on account of the boreof the cylinders being eight inches. It has two cylin-ders; the one on top, 3, is the steam cylinder, and theone below, 5, is the air cylinder. They are joinedtogether by a neck, 4, and in the top of the air cylin-der and bottom of the steam cylinder there are stuffingboxes, 56, through which passes a piston rod, on eachend of which there are piston heads, 12 and 13. Thepiston rod, 10, is hollow for a suf

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