Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 176
, temporarily secure the wristplate in its central position by tightening one of theset screws on the eccentric. Then connect the valverods, adjusting their lengths so that the steam valveswill have from % to j\ in. lap, as in Fig. 37, and theexhaust valves from ^-2- to T3¥ in. opening, as in Fig.… … figure 38. direction in which they turn to open. In most corlissengines the arm of the crank to which the valve rod isconnected extends downwards from the valve stem,as in Fig. 35. This will cause the valve to movetowards the wrist plate in opening. After the valverods have been properly adjusted…