File:Diseases of the air brake system; their causes, symptoms and cure (1894) (14778664771).jpg

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Identifier: diseasesofairbra00synn (find matches)
Title: Diseases of the air brake system; their causes, symptoms and cure
Year: 1894 (1890s)
Authors: Synnestvedt, Paul
Subjects: Air-brakes
Publisher: Chicago, The W. F. Hall Printing Company
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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^ worn. If the distance between theshoulder and button be too small, the pump will have toomuch clearance and will heat in consequence. An unequal stroke w^ill result in case the lift of theupper and lower air-valves wears unevenly. Jiggling, or short imperfect stroke, will result incase anv wear or unevenness causes a movement of the an S3
Text Appearing After Image:
New York Duplex Tump.—Plate 4. Diseases of the Air Brake System. 21 reversing-valve (72) at any point other than the Hmit ofstroke, when the shoulder or button of the stem is struckby the reversing-valve plate. Of course, the small packing rings in the two heads ofthe differential piston will wear out in course of time andwill then have to be renewed. The grooves in which theyare fitted, and the bushing in which the valve works, willalso wear so as to require renewal, but I have not heardof any of these pumps which have been in ser\^ice longenough yet to make such treatment necessar). New York Duplex Pump—Plate 4. The duplex pump not having been in ser^ice as longas the Westinghouse 8-inch pump, it is hard to find menwell encugh acquainted with it to say just what are itsweakest points. The point on which the writer found themost complaint was a noticeable tendency to heat, espe-cially in case of any carelessness in regulating the qualityor quantity of its oil supply. An ounce of

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https://www.flickr.com/photos/internetarchivebookimages/14778664771/

Author Synnestvedt, Paul
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Flickr tags
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  • bookid:diseasesofairbra00synn
  • bookyear:1894
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:Synnestvedt__Paul
  • booksubject:Air_brakes
  • bookpublisher:Chicago__The_W__F__Hall_Printing_Company
  • bookcontributor:Northeastern_University__Snell_Library
  • booksponsor:Northeastern_University__Snell_Library
  • bookleafnumber:22
  • bookcollection:northeastern
  • bookcollection:blc
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014


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