TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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REFERENCE INFORMATION In order to reach these wires and the sending unit, you have to remove the fuel tank (para. 3-25). You may want to recheck the previous steps to be sure you didn’t miss anything before you proceed with this step. Replace fuel level sending unit and repair wiring (paras. 4-32 and 4-90). REAR OF LEFT CYLINDER HEAD - FUEL LEVEL SENDING UNIT TM 9-2320-387-24-l INSTRUMENTS CIRCUIT RESISTANCE AND CONTINUITY 04,500 OHMS STUICE-R TEST 91 I. Connect RED clip and BLACK clip to the I indicated terminals in the question. RED to the first. BLACK to the second. 2. Start lest 91,0-4.500 Ohms. 3. Displayed reading is in ohms. Less than 5 ohms is continuity. If the resistance is over 4,500 ohms, STOICE-R displays .9.9.9.9. CONTINUITY (RESISTANCE) MULTIMETER 1. Set the voltmeter to an ohms scale of about 1,000 ohms. 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). FUEL TANK 2-355