TM 9-2330-390-14&PTable 3-1. Operator/Crew Troubleshooting (Con’t).MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION18. EXCESSIVE BLACK OR DARK GRAY EXHAUST IS OBSERVED.If NBC exposure Is suspected, all engine air cleaner air filter media should be handledby personnel wearing protective equipment. Consult your NBC Officer or NBC NCOfor appropriate handling or disposal procedures.Step 1.Check air cleaner element for dirt or other obstructions.Clean air cleaner element (see paragraph 3-10).Step 2.Check for proper fuel (see paragraph 1-15).Notify Unit Maintenance.19. EXCESSIVE WHITE OR BLUE EXHAUST IS OBSERVED.Check crankcase oil level (see paragraph 3-8).If crankcase oil level is too high, notify Unit Maintenance.3-19
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