TM 10-3930-669-34 7.  ENGINE DOES NOT DEVELOP FULL POWER (CONT). KNOWN INFO Injection pump OK Engine compression OK. Cylinder heads and gaskets OK. POSSIBLE PROBLEMS Valves or valve springs faulty. KNOWN INFO Injection pump OK. Engine compression OK. Cylinder heads and gaskets OK. Valves and valve springs OK POSSIBLE PROBLEMS TEST OPTIONS Visual inspection. REASON FOR QUESTION If valve(s) or valve Spring(s) are faulty, engine will not develop full power. TEST OPTIONS Verify repair. STE/ICE-R #12. REASON FOR QUESTION If engine develops full power. fault has been corrected. Replace valve(s) or valve spring(s) or cylinder head (Para 3-6 or 3-5). Go to Step 5 of this Fault. 2-68 CAUTION Read CAUTION on Page 2-69.

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