Covering the politics, Business and technology of defense - Subscribe Today
TM-9-2320-361-24-1 Page 260

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 260 of 1176


Download
TM 9-2320-361-24-1 0015 00 0015 00-4 HEATING SYSTEMS TROUBLESHOOTING (Contd) Table 1. Heating Systems Troubleshooting Procedures (Contd). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. ENGINE MANIFOLD HEATER DOES NOT WORK (Contd) 5. Touch multimeter positive lead to opposite end of spark plug cable. Test 6. Test continuity of ignition coil. 1. Disconnect both input and output leads of ignition coil. 2. Set multimeter to RX 1000 scale. 3. Touch multimeter negative lead to pin B (negative) of ignition coil. 4. Touch multimeter positive lead to pin A (positive) of ignition coil. 5. Test continuity of ignition coil output. 6. Touch multimeter negative lead to pin B (negative) of ignition coil. 7. Touch multimeter positive lead to contact end at ignition coil output. 1. If continuity is present go to test 6. 2. If continuity is not present, repair or replace spark plug cable (WP 0065 00 or WP 0066 00). 1. If continuity is present, go to step 5. 2. If continuity is not present, replace ignition coil (WP 0065 00 or WP 0066 00). 1. If continuity is present, go to test 7. 2. If continuity is not present, replace ignition coil (WP 0065 00 or WP 0066 00). TEST 6 STEPS 3 AND 4 TEST 6 STEPS 6 AND 7 FUEL PUMP IGNITION COIL FUEL PUMP IGNITION COIL