TM 9-2320-365-34-12-44NOYES3.4.Air cleaner elementserviced by emergencyprocedure.Air inlet system OK.Air cleaner element OK.Fuel setting OK.Injector timing OK.Is valve clearanceadjustment correct?Improper valve clearanceadjustment will cause fuelto burn unevenly andproduce black or grayexhaust smoke.Air cleaner elementserviced by emergencyprocedure.Air inlet system OK.Air cleaner element OK.Fuel setting OK.Injector timing OK.Valve clearance OK.NOYESFuel Injector TestRefer to para 3-14Is a loud combustionknock heard whenactuating control shaftlever on each injectorcylinder?Faulty fuel injector(s)will cause fuel to burnunevenly and produceblack or gray exhaustsmoke.Adjust valveclearance (para 3-14).Replace fuelinjector(s) (para 4-2).KNOWN INFOPOSSIBLE PROBLEMSTEST OPTIONSREASON FOR QUESTIONKNOWN INFOPOSSIBLE PROBLEMSTEST OPTIONSREASON FOR QUESTIONWARNINGRead WARNINGon following page.Incorrect valve clearance.Faulty fuel injector(s).Faulty fuel governor.Faulty fuel injector(s).Faulty fuel governor.Replace fuel governor(para 4-9).a9. EXCESSIVE BLACK OR GRAY EXHAUST SMOKE FROM ENGINE (CONT)
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business