Fuel system Fitting Designation Illustration Hexagon socket, drive 1/2", 36 mm 118 268 IMPORTANT! Check that there is no remaining packaging ma- terial stuck to the new filter elements. Fit the filter elements in the filter covers before placing them in the fuel filter housings or the fil- ter elements may be damaged. In order to prevent back pressure in the filter housings when the filter elements are screwed on, the bleed nipple should be open. 1. Fit a new O-ring to the cover. Lubricate the O-ring with O-ring grease. 2. Press the filter elements into the snap fasten- ers on the covers. 3. Check that the filter housing is clean before fitting. Use lint free cloths. 4.
Press down the filter elements into the fuel filter housings with the filter covers. 5. Screw down the filter covers until the cover seals are in contact with the filter housings. Use the socket. 6. Tighten the filter housings to 25 Nm (18 lbf ft). 7. Bleed the fuel system, see Bleeding the fuel system using a hand pump or Bleeding the fuel system using a suction tool. 8. Start the engine and check that there is no fuel leakage between the filter covers and fil- ter housings. If there is leakage, undo the fil- ter covers and start again from step 4. 00:23-02 en-GB 39 © Scania CV AB 2016, Sweden