2 0 0 A M P O V E R V O L T A G E T R O U B L E S H O O T I NG CONT.

2 0 0 A M P O V E R V O L T A G E T R O U B L E S H O O T I NG

TM-9-2350-261-20-1 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-1 1. 2. 3. Remove six screws (1) and cover (2) from voltage regulator (3). Connect multimeter to clean unpainted surface and vehicle ground. Does multimeter read 0.5 ohms or less? 1. Install cover and six screws on voltage regulator. 2. Connect alternator test kit (page 3-64.1). 3. Check batteries to make sure they are fully charged (see TM 9-6140-200-14). 4. Turn off all electrical equipment/loads. CAUTION If voltage climbs above 33 or more volts, shut off engine. Alternator could be damaged. 5. Adjust rheostat to maximum resistance. 6. Connect diagnostic test harness leads 1 and 4 together. 7. Start engine and run at 800 rpm and lower resistance. 8. Does voltage rise above battery voltage (test harness lead 3 to ground) to approximately 28 volts? 1. 2. Ensure lock washers (4) and screws (5) are tight on plate (6). Tighten nut (7) securing ground lead (8) to ^- regulator (3). 3. Install cover and screws on voltage regulator. 4. Repeat charging system operational check (page 3-64.4). 1. Remove alternator test kit (page 3-64.1). 2. Replace generator (200 amp) (page 9-34). 3. Repeat charging system operational check (page 3-64.4). 3-64.12 Change 1

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