TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 4. UNEVEN RUNNING OR STALLING (Cont) NOTE If injector is malfunctioning, there will be no noticeable difference in sound and operation of engine. c. Hold injector follower down with a screwdriver with engine idling to prevent operation of injector. d. Replace faulty injector. e. Check injector timing (Refer to Para 8-5). f. Install rocker arm cover. Step 7. Check for low compression (Refer to Para 8-14). Step 8. Check for misfiring cylinders. a. Remove rocker arm covers. b. Remove cam follower assemblies. c. Check for worn cam rollers, camshaft, bent push rods, or worn rocker arm bushings. d. Replace damaged parts. e. Install cam follower assemblies. f. Install rocker arm covers. Step 9. Check for a clogged or missing restricted fitting on the fuel return line. END OF TEST 2-7