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Page Title:
EXCESSIVE BLACK OR GRAY EXHAUST SMOKE (ENGINE AT NORMAL OPERATING TEMPERATURE). (Cont) |
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 TM 9-2320-364-34-1
4. EXCESSIVE BLACK OR GRAY EXHAUST SMOKE (CONT).
7.
TEST OPTIONS
KNOWN INFO
Verify repair.
Unit Troubleshooting tasks
Is exhaust smoke quantity
completed.
and color normal with engine
REASON FOR QUESTION
Injector response times OK.
at standard operating
Injector pulse widths OK.
Injector timing OK.
If exhaust smoke is not
temperatures?
Blower bypass valve OK.
excessively black or gray, fault
Cylinder air inlet ports clear.
has been corrected.
Low air box pressure OK.
POSSIBLE PROBLEMS
Fault not corrected.
NO
Notify supervisor.
YES
Fault corrected.
2-90
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