Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE DOES NOT START BUT TURNS OVER (Continued)
a. Drain the fuel tank.
Close the fuel tank valve if possible.
Pinch the hose with the forefinger and thumb and disconnect the fuel line from the carburetor.
Open the valve and drain the gasoline into a container.
If gasoline drains thru the fuel tank valve, go to Step 10.
If gasoline does not drain thru the valve, go to Step 9b.
Figure 5-41. Fuel Tank Assembly
b. Remove the valve from the fuel tank and check it for plugging.
Remove the fuel line from the valve.
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.