TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
5.
ENGINE EMITS EXCESSIVE BLACK, BLUE, OR WHITE EXHAUST SMOKE.
No smoking, flames, sparks, or glowing or hot objects are allowed within 50 ft. (15 m) of vehicle.
Fire or explosion may cause personal injury or death.
Fuel and oil are slippery and can cause falls. To avoid injury, wipe up spilled fuel or oil with rags.
To prevent possible injury, wear gloves and protective eye equipment when handling fuel. Failure
to comply may result in injury or death to personnel.
Step 1.
Check fuel tank (1) for incorrect grade of fuel.
If fuel is incorrect grade, drain fuel tank (1) (Para 7-7).
Step 2.
Check fuel lines (2) for damage (Para L-14).
If fuel lines (2) are damaged, replace fuel lines (Para L-14).
Step 3.
Check turbocharger (3) for proper operation (Para L-12).
If turbocharger (3) is damaged or does not function properly, replace turbocharger (Para L-12).
Step 4.
Check fuel injection nozzle (4) for proper operation.
If fuel injection nozzles (4) do not function properly, replace fuel injection nozzles and notify Direct
Support maintenance (Para L-18).
If fault continues, notify Direct Support maintenance (Para L-26).