5 Maintenance Changing the fuel filter element Danger of fire! Fuel may ignite on hot surfaces! Only change the filter elements if the engine has suffi ciently cooled down. Stay away with open fire or sparks while handling with fuel. Do not smoke. 1. For maintenance tasks, park and secure the machine as described in chapter "5.1. Maintenance guide" on page 5-2. 2. Clean the area around the fuel filter (1). 3. Unplug the connector (2) of the sensor (3). 4. Use the filter wrench to unscrew the filter cartridge counter- clockwise. 5. Unscrew and remove the sensor (3) and O-ring (4) from the fuel filter. 1 6. Screw the sensor (3) and new O-ring (4) onto the new fuel fil ter. 7.
Clean the filter head (5). 8. Fill the new filter cartridge (1) with clean fuel. 9. Apply a thin layer of oil to the sealing surfaces of the filter car tridge. 10. When reinstalling the filter cartridge, screw it in by hand until the seal makes contact. Subsequently tighten the filter car tridge (observe the instructions of the filter manufacturer). 11. Reconnect the connector (2) of the sensor (3). 12. Subsequently vent the fuel system. 13. Start the engine and check for leaks. 5-54 WA90-5 – VEAM270100 DANGER DANGER