TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 ENGINE CRANKS BUT WILL NOT START BELOW 40 F (AIR BOX HEATER IS USED)—Continued 0015 00 CY 1. Release air box heater switch. 2. Turn MASTER SWITCH OFF. 3. Remove air box heater assembly (WP 0180 00 or WP 0181 00). 4. Is igniter electrode (2) and spray nozzle (1) free of contamination and damage? YES NO CYN 1. Clean and/or replace air box heater assembly (WP 0180 00 or WP 0181 00). 2. Verify no faults found. 2CY 1. Install air box heater assembly. 2. Disconnect ends of ignition wire (1) from coil (2) and air box heater (3). 3. Measure resistance between wire ends (2) and (3). 4. Is ignition wire in good condition and measure 0 ohms? YES NO 2CYN 1. Replace igniter wire. 2. Verify no faults found. 0015 00-7