TM 9-2350-247-20-1200 AMP NO CHARGE/REGULATION TROUBLESHOOTING (M548A3) 0025 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Multimeter (WP 0541 00, Item 29)Slip Joint Pliers (WP 0541 00, Item 33)Generator Test Kit (WP 0541 00, Item 53)Personnel RequiredUnit MechanicReferencesSee your -10TM 9-6140-200-14Equipment ConditionEngine stopped (see your -10)Carrier blocked (see your -10)All radios and heaters OFF (see your -10)T1. Disconnect batteries (WP 0293 00).2. Check all electrical connectors, harnesses, and Cannon plugsbefore connecting generator test kit.3. Are connectors and Cannon plugs tight and pins in place inharnesses?YESNOTN1. Tighten or repair connections,Cannon plugs, and harnesses.2. Repeat charging system operationalcheck (WP 0024 00).Y1. Check generator drive belt.2. Is belt tight and in good condition?YESNOYN1. Adjust generator (WP 0245 00) orreplace drive belt (WP 0245 00).2. Repeat charging system operationalcheck (WP 0024 00).2Y1. Connect generator test kit.2. Measure battery voltage.3. Start engine and check generator field switch circuit (lead 1 toground).4. Is battery voltage present?YESNO2YN1. Repair generator field switch circuit(WP 0294 00).2. Repeat charging system operationalcheck (WP 0024 00).0025 00-1
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