Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 164
central Boiler Setting and Equipment 151 position^ viz.^ so that they cover the steam ports. The valverod being in position^ and connected to the rocker arms bymeans of the short link, the nut or nuts securing the valveto the rod should be so adjusted as to be equidistant fromthe lugs on the valve,… … Fig. 59davis belt drivex feed pump valve rod outside of the valve chest. Care should be takenwhile making these adjustments that the valve be retainedexactly in its central position. Having set the valves correctly, move one of the pistonsfar enough from mid-stroke to get a small opening of…
