Service and Maintenance 6.2 Fuel System Vent: т Loosen the vent screw 7 slightly. т Actuate the pump until fuel free from air bubbles emerges. т Tighten the vent screw. A= connection possibility for: Electrical connection for water/fuel level sensor in the dirt trap Work may only be performed on the fuel system with the engine switched off. No naked flames! Do not smoke! Dispose of waste fuel in an environmentally-friendly manner. т Open the fuel shut-off valve and bleed the system. т Check for leaks after starting the engine. Replace: т Replace defective filter cartridge 2. т Clean any dirt from the filter carrier 1 sealing surface 8.
т Wet the filter cartridge 2 with fuel, wet the sealing surfaces 8 slightly with oil. т Mount the filter cartridge 2 and dirt trap 3 clockwise. т Open fuel shut-off valve. т Check for leaks and vent the system after starting the engine. © 36648 0 Clean: т Close the fuel shut-off valve. т Place fuel collection container beneath the fuel pre-filter. т Loosen the drain screw 5 and drain fuel/ water. т Turn filter cartridge 2 and dirt trap 3 anticlockwise and remove. т Turn dirt trap 3 anticlockwise and remove. т Empty emulsion into the fuel collection container and clean the dirt trap 3. т Screw the filter cartridge 2 and dirt trap 3 together.
Wet the filter cartridge with fuel, wet the sealing surfaces 8 slightly with oil. т Mount clockwise. 6.2.7 Clean/Replace/Vent Fuel Pre-Filter, Filter Element © 2002 6 © 36648 0 © 36648 0