TM 5-3820-276-10-2
0111
ENGINE EXHAUST EXCESSIVELY WHITE OR BLACK - WWDR - Continued
MALFUNCTION
Engine overloaded.
CORRECTIVE ACTION
NOTE
Load is applied to engine when accessories are applied such as air conditioner,
air compressor, P.T.O. engaged, water pump, etc.
Verify if excessive exhaust smoke is consistently present when engine is running, or when load
is applied to engine.
a.
If excessive white or black exhaust smoke is present when load is applied, ensure load is
not excessive and only mandatory accessories are running simultaneously so an overload
condition does not arise.
b.
If excessive exhaust smoke is present at all times, proceed to next MALFUNCTION - Long
idle periods.
MALFUNCTION
Long idle periods.
CORRECTIVE ACTION
NOTE
Engine should not be run at idle for extended periods of time. Unburned fuel,
often called wet stacking, may occur.
Verify if engine has been run at idle for an extended period of time.
a.
If engine has run at low idle for an extended period of time, run at moderate to high idle for
15 to 20 minutes. Verify exhaust color has returned to normal (Volume 1, WP 0012).
b.
If engine has not run at idle for an extended period of time, notify maintenance.
END OF WORK PACKAGE
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02/13/2013root(tswp)wpno(T10029)
