Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 220
on the other deadcenter. If the marks A, B, C, and D are not on the wrist plateand stud they should be placed on with a chisel, A and B beingmarked when the eccentric is vertical and the rocker arm andwrist plate are plumb, and D and C being marked opposite Awhen the eccentric is on its dead… … Fig. 134. steam valves hooked on, the valves should have the proper lap.The amount of the lap may be measured by removing the steambonnets on the side of the cylinder opposite the wrist plate andinspecting the marks on the valve and cylinder. These marks,as shown in Fig. 134, are placed on by the…
Steam-engines
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