TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 306 of 890
TM 9-2320-280-20-1 REFERENCE INFORMATION ALTERNATOR 2-221 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. 1. Slide boot back from wire lug to expose red terminal. 2. Make contact at stud. 0-45 DC VOLTS STE/ICE-R TEST 89 1. Start Test 10, Engine RPM. 2. Crank or start the engine. Displayed reading is RPM. Set engine to fast idle of 1200 - 1500 RPM. ENGINE RPM STE/ICE-R TEST 10 1. Connect probe. 2. Start Test 90, DC amps. 3. Displayed reading is in amps. 0-1500 AMPS DC STE/ICE-R TEST 90