Hutton, Frederick Remsen, 1853-1918 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 226
an be marked by a centre-punch, and when the point 170 VA L VE- GEA RING. 171 of the trammel lies in that punch-mark, the valve is in itscentral position. The engine being located with its pistonupon its dead-centre, the eccentric can be slid around untilthe valve is in its central position, and… … Fig. 132. 83, due regard must be had to direction of motion and to thepossible reversal of connection by rock-shaft or otherwise. Another method of setting the valve without taking off thevalve-chest lid or bonnet is to depend upon the regular pulsa-tions of the exhaust, as they furnish an…
Mechanical engineering · Steam power plants
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