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 BY 1. Release air box heater switch. 2. Turn MASTER SWITCH OFF. 3. Remove air hose (1) from air pump (2). 4. Is hose free from restriction and damage? YES NO BYN 1. Replace air pump to air box heater hose (WP 0180 00 or WP 0181 00). 2. Verify no faults found. 2BY 1. Turn MASTER SWITCH ON. 2. Listen to air pump with air box heater switch ON. 3. Is air pump silent? YES NO 2BYN 1. Turn MASTER SWITCH OFF. 2. Replace air pump vane set (WP 0190 00). 0015 00-5