Translations:KAVAN FS400AR - Instruction manual/40/en

Care & Maintenance

To ensure that you obtain long life and peak performance from your engine, observe the following.

• Avoid running the engine under dusty conditions. If necessary, lay a sheet of plywood under and around the nose of the model when starting the FS 400.
• Clean fuel is essential to keeping the carburettor clear and the engine running properly. To ensure clean fuel, following these steps:
• Rinse the fuel tank with methanol before installing in aircraft.
• Install a fuel filter between tank and carburettor.
• Install a fuel filter between fuel pump and tank.
• Check and clean filters often.
• Keep fuel can closed whenever not in use.
• Do not close the needle valve to too lean a setting. This lean setting will cause overheating and slowdown the engine performance.
• Additionally, this setting will cause internal rusting of the engine due to nitromethane oxide being produced by the high engine temperature. Always adjust the needle valve very slightly to the rich side of the peak RPM setting.
• After every use, always clean the exterior of the engine with a clean cotton cloth. This will prevent oil and dirt from burning, and blackening the exterior of the FS 400.
• If the FS 400 is not to be run for more than 2 months at any time, remove the glow plugs and rinse out the interior of the engine by injecting kerosene (not gasoline) into the cylinders through the glow plug holes and into the crankcase through the drain nipple. Once the kerosene is injected, slowly rotate the crankshaft to and fro, distributing the kerosene and dissolve residue throughout the engine. Once this has been accomplished, drain out the kerosene mixture by turning propeller to help remove it from cylinders. Finally, add light machine oil through glow plug holes and drain nipple, rotating crankshaft slowly to distribute oil to all working parts.