Rückspülprozess

Switch off the engine.Open the bleed valve on top of the filter lid (note: If fuel tank is above the top of the SEPAR filter close the fuel feed valve if fitted) then open the drain valve fitted to the bowl.The clean fuel between the filter lid and the clean side of the element will flush back through the filter element and "wash off" the collected waterdroplets and particles from the filter media. At the same timefuel that is draining from the bowl is carrying contaminates
out with it. Close the drain valve open the fuel feed valve and close the bleed valve. Prime the fuel system. Now the engine can be re-started.

If the engine is not able to reach maximum revolutions then repeat the process or the element requires to be replaced.