Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE STOPS SUDDENLY (Continued)
Remove the valve from the tank.
Check the valve for plugging or jamming. If the valve is plugged, blow high pressure air through
the valve to unplug it. If the valve is jammed, unjam it.
If the valve can be repaired, repair it and return it to the tank. Go to Step 8c.
If the valve cannot be repaired, replace it and go to Step 8c.
Check the fuel line.
If the fuel line is ok, return it to the valve and carburetor. Go to Step 9.
If the fuel line is plugged, unplug it and return it to the valve and carburetor. Go to Step 8d.
If the fuel line is cut or cracked, replace it and go to Step 8d.
Start the engine.
If the engine starts, the problem is solved.
If the engine does not start, go to Step 9.
Check the carburetor.
BE CAREFUL not to use force when turning the needle valves in and out. Force can damage the