TM 9-2350-247-20-1
ENGINE OVERHEATS (M548A3)—Continued
0008 00
8Y
1. Remove filler cap (1) and cap adapter (2) from pressure tester (3).
2. Install radiator adapter (4) on auxiliary tank (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 auxiliary tank.
3. Has thermostat been replaced?
YES
NO
9YN
1. Replace thermostat.
2. Notify your supervisor.
10Y
1. Replace coolant pump (WP 0222 00).
2. Verify no faults found.
0008 00-4
