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TM 9-2815-226-34-1
Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
ENGINE MISSES.
Step 1. Check for leaks in supply (suction) lines to fuel pump.
Tighten all line connectors.
Step 2. Check for water in fuel system.
a.
Drain fuel filter assembly bowl (TM 9-2320-281-10).
b.
Drain fuel tank (TM 9-2320-281-20).
c.
Reservice fuel tank (TM 9-2320-281-10).
Step 3. Check engine valves for proper adjustment.
Adjust valves (para 3-94).
Step 4. Check for plugged injector spray holes.
Clean injector (para 3-73).
Step 5. Check for cracked injector body or cup.
Replace defective injector (para 3-6 and 3-94).
Step 6. Check for defective injector O-rings.
Replace O-rings (para 3-72).
Step 7. Check for improper injector flow adjustments.
Test and adjust injector (para 3-75).
Step 8. Check for blown or leaking head gasket(s).
a.
Retorque head bolts (table 3-3).
b.
Replace defective gasket(s) (para 3-6 and 3-94).
Step 9. Check for broken or worn piston rings.
Replace defective rings (para 3-20).
2-6


 


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