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 640
dng can be easily accomplished by opening the three-way valve to discharge to the oil tank. This need not in-terfere with the operation of the machine. After the airchamber is emptied^ valve J should be closed^ and the three-way valve open to admit oil to the chamber. OUT< t^ … Fig. 264 In installations where oil is used for the turbine stepbearings oil for the operating gear and bearings may betaken from the high pressure pipe line, on the pump sideof the step baffler, through a reducing valve. The piping 628 Steam Engineering system remains as shown diagramatically in…