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 OVERHEATS (M548A1)—Continued 0007 00 8Y 1. Remove filler cap (1) and cap adapter (2) from pressure tester (3). 2. Install radiator adapter (4) on radiator (5). 3. Install pressure tester (3) on radiator adapter (4). 4. Pump pressure tester (3) until gauge (6) reads 15 psi (103 kPa). Allow system to remain pressurized for 5 minutes. 5. Does pressure drop less than 1 psi (7 kPa)? YES NO 8YN 1. Locate cooling system leaks. 2. Remove pressure tester and radiator adapter. 3. Repair cooling system leaks (WP 0212 00 through WP 0225 00). 4. Verify no faults found. 9Y 1. Remove pressure tester and radiator adapter. 2. Install filler cap on radiator. 3. Has thermostat been replaced? YES NO 9YN 1. Replace thermostat (WP 0218 00). 2. Verify no faults found. 10Y 1. Replace coolant pump (WP 0221 00). 2. Verify no faults found. 0007 00-4