Fuel system Renewing the fuel filter with draining nipple Removal Designation Illustration Hexagon socket, drive 1/2", 36 mm 118 268 Environment Avoid spillage and use a suitable container. Used fuel must be disposed of as specified in national and international law. If the fuel tank is positioned higher than the fuel filter housing, the shut-off valve between the fuel tank and the fuel filter housing must be closed. This is to prevent fuel running into the fuel filter housing. 1 On certain engines, there is a draining nipple (1) on the fuel filter housing.
If there is no draining nipple, see Renewing the fuel filter using a suc- tion tool or Renewing the fuel filter if there is no suction tool. 351 550 329 083 1. Open the draining nipple (1). 2. To ensure that the filter housings are drained properly, the filter covers must be removed as follows: On the pressure filter: Make a mark on the cover. Unscrew the cover 3 to 4 turns, use the socket. On the water separating suction filter: Make a mark on the cover. Unscrew the cover 3 to 4 turns, use the socket. A Water separating suction filter. B Pressure filter. 00:23-02 en-GB 37 © Scania CV AB 2016, Sweden A B