TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
3.
ENGINE MISSES.
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 for air in fuel system.
Step 2.
Disconnect return line (1) from fuel tank (2).
Step 3.
Crank engine and check for air in fuel at return line (1).
Step 4.
Tighten connections and visually check fuel lines (1), (3), and (4) for damage.
If fuel tank lines (1) or (3) are damaged, replace fuel tank lines (Para 7-7).
If engine fuel lines (4) are damaged, replace engine fuel lines (Para L-14).
Step 5.
Check fuel tank (2) for incorrect grade of fuel.
If fuel is incorrect grade, drain fuel tank (2) (Para 7-7).
Step 6.
Start engine (TM 5-2420-230-10) and check slow idle speed to ensure it is not below 900 RPM.
Adjust slow idle speed to correct speed of 900 RPM if necessary (Para L-49).
If fault continues, notify Direct Support maintenance (Para L-26).