Flush the tank with one or more gallons of clean fuel, Military Specification
MIL-J-5624, Grade JP-4, or with gasoline, Military Specification MIL-G-5572,
Grade 115/145. Drain the flushing fluid from the tank, and reinstall the drain
Remove fuel filter bowl, and pour out any residual preservation fluid.
stall the filter bowl using new O-ring.
Purge the fuel system, as follows:
Add clean fuel to the fuel tank.
Disconnect flexible fuel supply line from dummy fitting. Place the open
end of the flexible line in a suitable waste fuel container.
Press DC CONTROL circuit breaker.
Move START-RUN-OFF switch to RUN.
Move BOOST PUMP switch to BOOST PUMP.
The boost pump will operate
and fuel will flow through the flexible line.
Move BOOST PUMP switch to OFF after clean fuel, free of air bubbles,
flows out of the flexible line.
Move START-RUN-OFF switch to OFF.
Pull DC CONTROL circuit breaker.
Reconnect the flexible fuel supply line to the dummy fitting, and maintain
fuel system cleanliness.
2-9. PRESERVATION OF THE FUEL SYSTEM.
The fuel system must be preserved prior to storage or shipment, as follows:
Place a suitable container under the fuel tank drain fitting.
Remove the drain fitting and drain all the fuel from the fuel tank. Reinstall
the drain fitting.
Put approximately one or two gallons of lubricating oil, Military Specification
MIL-O-6081, Grade 1010, into the fuel tank.