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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)—Continued 0024 00 CY 1. Raise engine speed slowly. 2. Is voltage below 34 volts? YES NO CYN 1. Replace voltage regulator (WP 0251 00). 2. Verify no faults found. 2CY 1. Check voltage. 2. Does voltage climb to 32 to 34 volts and immediately drop to battery voltage? YES NO GO TO DY (PAGE 0024 00-3) 3CY 1. Go to 200 amp over voltage troubleshooting (WP 0027 00). 2. Verify no faults found. DY 1. Check voltage. 2. Does voltage climb above 28.5 volts but below 33 volts and remain constant? YES NO DYN 1. Go to 200 amp over voltage troubleshooting (WP 0027 00). 2. Verify no faults found. 2DY 1. Go to 200 amp full field charge troubleshooting (WP 0026 00). 2. Verify no faults found. 0024 00-3/4 blank