charging system circuit - TM-9-2350-267-20

charging system circuit - TM-9-2350-267-20_237

TM-9-2350-267-20 Carrier Ammunition Tracked M992 (2350-01-110-4660) Manual
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2-126 Change 1 TM 9-2350-267-20 J Disconnect rectifier-to-regulator harness at voltage regulator. With jumper wires, connect pin E of harness to a battery negative terminal and pin B of harness to positive terminal of the same battery. With vehicle engine running at idle speed and ultimeter set on the dc volts scale, place red lead on pin C of harness and black lead to ground. Multimeter reading should be between 30 to 34 volts. If this voltage is not present, repair or replace rectifier-to-regulator harness (p 6-76). If this voltage is present, go to step K. I K MASTER switch OFF. Disconnect voltage regulator to bulkhead harness at voltage regulator. Use a jumper wire to connect socket A to socket B. Place MASTER switch to ON position and start engine. Run engine at 1000 rpm (oil pressure 12 psi). Place red lead of multimeter in socket F and black lead to ground. If voltage is 24 vdc, troubleshoot air cleaner blower motor circuit (p 2-113). TA312703

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