. Test of a delco lighting plant . nife switch located at theside of the starting switch above the two S:,allfuses. Opening this switch, disconnects thelip-ht md power circuit. The generator dr: berun with this circuit open; all of the pene-rated current then sroes to the btittery. Thestopping switch is also a double pole, singlethrow, knife switch, ^nd is used for eniergencypurposes. :ne side of this opens theignition circuit, and the other the batterycircuit. The storage battery consi^jts of six-teen cells. It is a Zk volt, 80 ampere hourbattery. Each cell consists of positive andneg


. Test of a delco lighting plant . nife switch located at theside of the starting switch above the two S:,allfuses. Opening this switch, disconnects thelip-ht md power circuit. The generator dr: berun with this circuit open; all of the pene-rated current then sroes to the btittery. Thestopping switch is also a double pole, singlethrow, knife switch, ^nd is used for eniergencypurposes. :ne side of this opens theignition circuit, and the other the batterycircuit. The storage battery consi^jts of six-teen cells. It is a Zk volt, 80 ampere hourbattery. Each cell consists of positive andnegative plates, spaced by hard rubber ^ndwood separators. The j:^irs are made of heavyglass, and have a water line marked 19 TElT op a iSLCO LIGEIIMG PLANT. upon tiierii. One of the cells of the h ttery isa pilot cell; tnis i-as two j^ilot tails v«hichare in a Sinall cOi^p-irtment hlovm in the specific gravity of the electrolyte causesthe balls to float or sink, indic-tting thecondition of charge of the hattery. 20. iUg. B - iront of Switchboard. 21


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