TM 9-2350-267-10Table 2-1. Preventive Maintenance Checks and Services for Model M992ItemNo.6IntervalBeforeLocationItem toCheck/ServiceEngineAuto-maticFire Ex-tin-guisherSystemCrewmemberProcedureDRIVER/COMMANDERa. Performthefollowingchecks at engine T/A panel. Ifindications below do not occur,troubleshoot engine AFES.b. Maintenance switch mustbe in horizontal “POWER ON”position.c. Turn MASTER switch ON.POWER ON lamp on engineT/A panel should light.NOTEPositions of lamps and SYS-TEM TEST/LAMP TESTswitch are the same for en-gine and crew T/A panels.Not Fully MissionCapable If:b. Maintenanceswitch in vertical“POWER OFF” posi-tion.c. POWER ON lampnot lit.2-30
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