Service work
Fuel filter. Change 1. Close the fuel tap(s). 2. Clean the filter bracket and install a suitable vessel under the filter. 3. Unscrew the filter. Use a filter wrench if necessary. 4. Clean the sealing surfaces on the filter bracket. Make sure that the filter is absolutely clean and that the sealing surfaces are undamaged. Moisten the seal rings with engine oil. NOTE! Do not fill the new filter with fuel before installation. Contamination might get into the system and cause damage and malfunctions. 5. Screw the filter on by hand until the seals just touches the mating surfaces. Then tighten a fur ther 1/2 turn.
6. Open the fuel tap.
7. Vent the system. Please refer to “Venting the fuel system” in this chapter.
8. Start the engine and check if there is any leakage.
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