TM 9-2350-247-20-1200 AMP CHARGING SYSTEM OPERATIONAL CHECK (M548A3) 0024 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Multimeter (WP 0541 00, Item 29)Personnel RequiredUnit MechanicReferencesSee your -10TM 9-6140-200-14Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)T1. Turn MASTER SWITCH ON.2. Measure battery voltage at auxiliary power receptacle (1).Measure voltage between center contact (+) (2) and shell (-) (3)of receptacle.3. Is battery voltage more than 24.8 volts?YESNOTN1. Replace or charge batteries. SeeTM 9-6140-200-14.2. Verify no faults found.Y1. Start engine and run at fast idle (800 rpm) with no electricalequipment/load.2. Is voltage higher than battery voltage?YESNOYN1. Go to 200 amp no charge/ regulationtroubleshooting (WP 0025 00).2. Verify no faults found.0024 00-1
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