TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 ENGINE OVERHEATS (OLD VSFD CONFIGURATION) —Continued 0014 00 9Y WARNING Hot parts can burn you. Allow parts to cool before working on or near them. If necessary, use heat protective gloves to work on hot parts. 1. Drain cooling system until auxiliary tank is empty (WP 0227 00). 2. Loosen hose clamp (1) on hose (2) at auxiliary tank (3). 3. Remove hose (2) from auxiliary tank (3). 4. Allow coolant to drain from elbow (4) on auxiliary tank (3). Use clean suitable container to catch coolant. 5. Install pipe plug (5) in hose (2) using hose clamp (1). 6. Remove elbow (4) from auxiliary tank (3). 7. Install bushing (6) on auxiliary tank (3). 8. Install radiator pressure tester (7) to bushing (6). 9. Pump system no higher than 15 psi pressure. 10. Does auxiliary tank filler cap (8) relieve pressure between 13 and 15 psi pressure? YES NO 9YN 1. Refill cooling system (WP 0227 00). 2. Replace auxiliary tank filler cap (WP 0230 00). 3. Verify no faults found. 10Y 1. Allow system to remain at 13 to 15 psi pressure for five minutes. 2. Does pressure drop less than one psi? YES NO 10YN 1. Internal coolant system leak. Beyond unit maintenance repair. 2. Notify supervisor. 0014 00-4 Change 2