Table 3-6. Unit Troubleshooting Table.
Test or Inspection
ENGINE CRANKS BUT WILL NOT START.
If vehicle has a cold weather kit, and ambient temperature is below 60 °F (15 °C), refer also to
Check air intake to turbocharger for restriction.
Clear restriction if necessary.
· 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.
Check fuel tank (1) for water in fuel or incorrect grade of fuel.
If water is in fuel or fuel is incorrect grade, drain fuel tank (1) and flush supply lines (Para 7-7).
Check fuel line (2) for cracks, leaks, blockage, or damage.
If fuel line (2) is blocked, replace fuel line (2) (Para 7-7).
Visually check for debris and water in fuel/water separator (3).
Replace filter in fuel/water separator (3) if excessive debris or water is found (Para 7-5).
Remove and check secondary fuel filter (4) for blockage (Para 7-5).
If secondary fuel filter (3) is blocked, replace secondary fuel filter (Para 7-5).