TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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REFERENCE INFORMATION 0 II . . WARNING I Disconnect negative battery cable before disconnecting and reconnecting PCB harness. 1 WARNING I There is battery voltage at the PC6 at all times. Failure to disconnect battery cable will result in damage to equipment or injury to personnel. Replace PCB (refer to para. 44). I RESISTANCE AND CONTINUITY 04,500 OHMS STEIICE-R TEST 91 1. Connect RED clip and BLACK clip to the terminations indicated in the question. RED to the first, BLACK to the second. I 2. Start Test 91,04,500 Ohms. I 3. Displayed reading is in ohms. Less than 5 ohms is continuity. If the resistance is over 4.500 ohms, STEACE-R displays .S.S.S.S. I CONTINUITY (RESISTANCE) MULTIMETER I 1. Set the voltmeter to an ohms scale of about 1,000 ohms. I 2. Connect the RED and BLACK leads to the connections stated in the question. 3. Be sure to read the correct scale. Less than 5 ohms indicates continuity. For an open circuit the meter should peg full scale (needle all the way to the left). TM “-3.320-387-24-l ENGINE COOLING PCB ENGINE CONNECTOR FAN TEMPERATURE , VALVE 2-l 87