Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 311
other, simply lengthen or shorten the rocker connection sothat the rocker bar, H, will touch the rocker roller, I, equallydistant from the center pin, J. In case the pump hesitates in making its return stroke, it isbecause the rocker roller, I, is too low and does not come incontact with the rocker… … (atal.^.,«lllH:.W,H„,j^W When the valve rod has a tendency to tremble, slightlytighten the valve rod stuffing-box nut. When the valve motionis properly adjusted, the vertical arm should not quite touchthe collar, L, and the clamp, M. Rocker roller, I, coming incontact with the rocker bar, H,…
Hydraulic machinery · Pumping machinery
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