Locomotives: simple, compound, and electric by Reagan H. C. (Harry Clifton)

Author:Reagan, H. C. (Harry Clifton)
Language: eng
Format: epub
Tags: Locomotives
Publisher: New York, J. Wiley & sons [etc., etc.]
Published: 1907-03-25T05:00:00+00:00

PBH

Fecd \&Lve

Fig. 236.

to the train-pipe, forcing the triple-valve pistons to release position, and exhausting air used in applying

the brakes and recharging the auxiliary reservoirs. While the handle of the valve is in this position a " warning-port " of quite small size causes air from the main reservoir to be discharged to the atmosphere with considerable noise, attracting the engineer's attention to his neglect to move the valve-handle to "running position." The engineer must move the handle of the brake-valve from position i to position 2 prior to the accumulation of the maximum pressure of

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