TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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FUEL PRESSURE TEST - Continued MALFUNCTION Fuel pump is bad. CORRECTIVE ACTION Inspect fuel pump. Repair or replace fuel pump as required (WP 0055). CRANKCASE PRESSURE TEST SYMPTOM High crankcase pressure. MALFUNCTION Exhaust back pressure high. CORRECTIVE ACTION Remove restriction in exhaust system. MALFUNCTION Obstruction to breather. CORRECTIVE ACTION Clear obstruction to breather. MALFUNCTION Plugged breather. CORRECTIVE ACTION Replace breather (WP 0053). MALFUNCTION Piston or piston ring problem. CORRECTIVE ACTION 1. Inspect pistons and piston rings through liner ports. 2. If rings broken or stuck, replace rings 3. If hole or crack in piston, replace piston (WP 0094) or (WP 0095). TM 9-2815-205-24 0007 0007-3