TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 200 AMP CHARGING SYSTEM OPERATIONAL CHECK (M548A3) 0024 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General Mechanic’s Tool Kit (WP 0541 00, Item 57) Multimeter (WP 0541 00, Item 29) P e r s o n n e l R e q u i r e d Unit Mechanic R e f e r e n c e s See your -10 TM 9-6140-200-14 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) T 1. 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? YES NO TN 1. Replace or charge batteries. See TM 9-6140-200-14. 2. Verify no faults found. Y 1. Start engine and run at fast idle (800 rpm) with no electrical equipment/load. 2. Is voltage higher than battery voltage? YES NO YN 1. Go to 200 amp no charge/ regulation troubleshooting (WP 0025 00). 2. Verify no faults found. 0024 00-1