TM 55-1520-240-T12-3.7 MULTIMETER DOES NOT INDICATE 28 VDC WITH NO. 1 ENGINE FIRE HANDLE OUT AND FIRE EXT AGENT SWITCH AT BOTTLE NO. 212-3.7FAULT ISOLATIONPROCEDUREINITIAL SETUPPersonnel Required:Aircraft Electrician (2)Applicable Configurations:AllReferences:TM 55-1520-240-23Tools:Electrical Repairer's Tool Kit,Equipment Condition:NSN 5180-00-323-4915TM 55-1520-240-23:MultimeterBattery ConnectedElectrical Power OnMaterials:Hydraulic Power OffNoneGO TO NEXT PAGE12-64 Change23
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