TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
Page 209 of 1176
TM 9-2320-361-24-1 0012 00 0012 00-25 BATTERY AND CHARGING SYSTEM TROUBLESHOOTING (Contd) Table 4. Charging System (100 Amp) Troubleshooting Procedure. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. NO ALTERNATOR OUTPUT If STE/ICE-R is available, perform NG 50 Charging Circuit Tests (WP 0018 00). Test 1. Check for loose or missing belts. 1. Adjust loose belts (WP 0084 00). 2. Replace missing belts (WP 0084 00). START SWITCH POS C C A 2 2 4 3 1 14 68 214 6 D D C F E IN OUT B B A C D B 10 10 10 11 11 27 27 74A +24V TO FLD +24V TO FLD +1.5V TO 24V 74B 55 1 74 11 15 25 B E + FLD – FLD NEG STARTER RELAY 12-VOLT BATTERY SLAVE RECEPTACLE STARTER MOTOR STARTER SOLENOID VOLTAGE REGULATOR 100-AMP ALTERNATOR POWER ACCESSORY SWITCH HORN CIRCUIT BREAKER ADJUSTABLE VOLTAGE AMPLIFIER