TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 ENGINE CRANKS BUT WON’T START BELOW 40 (AIR BOX HEATER IS USED)—Continued 0022 00 Y 1. Release air box heater switch. 2. Install air pump to air box heater hose onto air box heater. 3. Remove air box igniter high voltage wire (1) and igniter (2). 4. Install high voltage wire (1) on igniter (2). 5. Ground hex portion of igniter (2) on idler pulley pivot (3). 6. Depress air box heater switch. 7. Does igniter produce a spark? YES NO GO TO BY (PAGE 0022 00-5) 2Y 1. Release air box heater switch. 2. Install air box igniter. 3. Remove solenoid to air box heater tube assembly (1). 4. Depress air box heater switch with engine cranking for 5 seconds. Do not allow engine to start. 5. Does fuel fail to flow from solenoid with switch depressed? YES NO 2YN 1. Air box heater is working properly. 2. Go to Engine cranks, but will not start (WP 0021 00). 0022 00-2