ENGINE RUNS UNEVENLY

TM 5-2420-222-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

5. ENGINE RUNS UNEVENLY

Step 1.

Inspect exhaust system for dents and obstructions (page 2-343).

a. If muffler (4) and muffler extension stack (5) are not dented or obstructed, go to step 2.

b. If muffler (4) is dented, replace (page 2-343).

c. If muffler extension stack (5) is dented, replace (page 2-347).

d. If muffler (4) or muffler extension stack (5) is obstructed, remove obstructions.

TA242729

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