TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 397 of 1205
TNI 9-2320-387-24-l REFERENCE INFORMATION -i Replace harness or repair wiring (para. 4-90). RESISTANCE AND CONII-NUIM 04,500 OHMS STEIICE-R TEST 91 1. Connect RED clip and BLACK clip to the indicated terminals in the question. RED to the first, BLACK to the second. 2. Start Test 91,0-4,500 Ohms. 3. Displayed reading is in ohms. Less than 5 ohms is cdntinuity. If the resistance is over 4.500 ohms, STVICE-R displays .9.9.9.9. INSTRUMENTS CIRCUIT DC VOLTAGE O-45 VOLTS SWlCE-R TEST 99 1. Connect RED clip to the indicated test point, BLACK clip to negative or ground. 2. Start Test 89, DC Volts. 3. Displayed reading is in volts. BATTERY VOLTAGE MULTIMETER I 1. Set the voltmeter to a DC volts scale of at least 40 volts. 2. Connect the RED lead to positive and the BLACK lead to negative. 3. Be sure to read the correct scale. 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). Replace harness or repair wiring (para. 4-90). -I Replace harness or repair wiring ( para. 4-80). OIL PRESSURE SENDING UNIT 2-343