TM 9-2350-247-20-1200 AMP OVER VOLTAGE TROUBLESHOOTING (M548A3) 0027 00INITIAL SETUP:Maintenance LevelUnitTools and Special ToolsGeneral Mechanic’s Tool Kit (WP 0541 00, Item 57)Multimeter (WP 0541 00, Item 29)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)T1. Turn MASTER SWITCH ON.2. Measure battery voltage by placing red lead (1) in positive socketof NATO plug (2) on auxiliary power (slave) receptacle (3).Touch black negative lead (4) to outside of NATO plug onreceptacle.3. Adjust 200 amp voltage regulator to lowest setting (WP 0249 00).4. Start engine (see your -10) and accelerate.5. Does voltage climb to 32 to 34 volts and suddenly drop to batteryvoltage?YESNOGO TO BY (PAGE 0027 00-3)0027 00-1
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