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 4Y 1. Inspect fuel supply line to solenoid. 2. Is line free from kinks or clogs? YES NO 4YN 1. Clear or replace air box fuel supply line (WP 0180 00 or WP 0181 00). 2. Verify no faults found. 5Y 1. Install solenoid fuel supply line on return tee. 2. Remove air box heater harness plug (1) from solenoid (2). 3. Measure voltage between plug (1) sockets A (+) and B (-) with air box heater switch on. 4. Does multimeter read less than 17 volts? YES NO 5YN 1. Replace air box heater fuel supply solenoid (WP 0186 00 or WP 0187 00). 2. Verify no faults found. 6Y 1. Install solenoid to air box heater fuel line. 2. Install air box heater harness plug on to fuel solenoid. 3. Did multimeter read less than 17 volts? YES 0015 00-4 DY