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 TM 55-1905-220-14-3
Table 3-1. Propulsion Engine Exhaust Smoke Analysis
Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1
Black or grey smoke observed.
Step 1. Check for high exhaust back pressure which is caused by faulty exhaust piping or
muffler obstruction.
Refer to Direct Support Maintenance.
3-16
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