TM 10-3930-664-10 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 5.   Check for leaks in fuel lines and injectors. Report leaks to Organizational Maintenance. 6. LOW ENGINE POWER Step 1.   Check if engine oil level is above FULL mark. Report over filled engine oil level to Organizational Maintenance. Step 2.   Check air cleaner restriction indicator to see if red flag shows (indicates that air cleaner is clogged.) Service air cleaner.  (Refer to para 3-10). Step 3.   Check the exhaust pipe for obstruction. Remove any obstructions. 7. ENGINE OVERHEATS WARNING Don’t remove the radiator cap when the engine is hot; hot steaming gases can escape and bum you.  Use extreme care when removing the radiator pressure cap.  The sudden release of pressure can cause a steam flash which could seriously injure you.  Slowly loosen cap to the first stop to relieve pressure before removing cap completely.  After use, tighten cap securely. Step 1.   Check for low coolant level. Add coolant as required.  (Refer to para.  3-8.) Step 2.   Check radiator hoses for leaks or collapse. Report collapsed hoses or leaks to Organizational Maintenance. WARNING The engine, radiator, and oil cooler can be extremely hot.  Contacting exposed skin to these areas could result in severe bums. Step 3.   Check radiator for leaks or obstruction by debris. Clean debris from radiator fins.  Report leaks to Organizational Maintenance 3-5