. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ter. 8,500 gals.; oil, gals. Service, freight. 10 RAILWAY AND LOCOMOTIVE ENGINEERING. January, 1913. Catechism of Railroad Operation The Questions and Articulated F. P. Roesch. (Continued from page 444.)Q. What would you do in case of fail-ure of a portion of the valve gear on therear engine? On the American type locomotive, theintercepting and reducing valves wouldsupply steam to the low pressure cylindersu hen the throttle was opened. Q. What
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ter. 8,500 gals.; oil, gals. Service, freight. 10 RAILWAY AND LOCOMOTIVE ENGINEERING. January, 1913. Catechism of Railroad Operation The Questions and Articulated F. P. Roesch. (Continued from page 444.)Q. What would you do in case of fail-ure of a portion of the valve gear on therear engine? On the American type locomotive, theintercepting and reducing valves wouldsupply steam to the low pressure cylindersu hen the throttle was opened. Q. What would you do in case ofbroken rods, pins or guides on eitherengine? A. Handle practically the same as fora similar breakdown on an ordinary slipping and the high pressure was not,the low pressure engine would soon useup all the steam in the receiver, therebystopping the slipping. This will not apply,however, with the American type loco-motive, if the separate exhaust valve wasopen, as in this case the high pressureengine would continue to slip unless thethrottle was eased off or partially POSITION OF THE INTERCEPTING VALVE WHEN THE PREDETERMINED MAXIMUM PRESSURE IN THE RECEIVER PIPE HAS BEEN EXCEEDED. Reducing Valve or Sleeve (1) is closed. Live steam is cut off from the receiver until the pressure is reduced to the proper amount. Copyright by the American Locomotive Company. A. Handle practically the same as fora similar breakdown on a simple engine. Q. Would it be possible to bring thelocomotive in under its own steam in caseit became necessary to disconnect bothvalves on the rear engine? If so, how? A. Yes; the engine could be broughtin under its own steam with the low pres-sure cylinders by simply opening thestarting valve on a Baldwin locomotive. engine of the ordinary simple type. Q. What would you do in case eitherengine started slipping when workingsteam ? A. Would drop sand and keep throttleopen, as if the high pressure engine wereslipping; it would, soon dev
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