TM 5-4320-302-14Table 5-1. Direct Support Troubleshooting - ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONStep 4. Check for malfunctioning governor.Replace governor (para 6-13).Step 5. Check for air in the fuel system.Service fuel feed pump (para 4-34).4. ENGINE STOPS RUNNING OR PRODUCES BLACK, WHITE, OR GREY SMOKEStep 1. Check for faulty injectors. Remove and test injectors (para 5-16).Repair or replace faulty injectors (para 5-16).Step 2. Check for faulty fuel feed pump.Repair or replace damaged fuel pump (para 5-15).NOTEThe wrong grade of diesel fuel oil will also not undergocomplete combustion. This condition may result in blackor grey smoke.5-4
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