TM 9-6115-659-13&PTable 2-1. Description of Switch Box Controls and IndicatorsItemNo.DescriptionFunction1SYNCHRONIZING lightUsed to synchronize generator sets for transferring load. Allthree lights are dark when only one generator set is operat-ing. The lights simultaneously go from bright to dark andback to bright in repeated cycles after TRANSFER switch (5)is engaged while one generator set is on line and other isready to go on line. All three are again dark after load hasbeen transferred.2ON light for GEN SET 1 (frontLights when front generator set is supplying power to switchgenerator set)box.3ON LINE light for GEN SET 1Lights when front generator set is supplying power to the(front generator set)load.4ON OFF switch for GEN SET 1Toggle switch, used to place front generator set on line when(front generator set)generator set is ready or take it off line before shutting itdown.5TRANSFER switchToggle switch, used to transfer load when one generator set ison line and SYNCHRONIZING lights (1) indicate that othergenerator set is ready to go on line.6ON/ OFF switch for GEN SET 2Toggle switch, used to place rear generator set on line when(rear generator set)generator set is ready or take it off line before shutting itdown.7ON LINE light for GEN SET 2Lights when rear generator set is supplying power to the(rear generator set)load.8ON light for GEN SET 2 (rearLights when rear generator set is supplying power to switchgenerator set)box.2-FA3
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