Workshop Manual

Repair instructionsFuel filter, replacementSpecial tool: 99966701Clean the filter bracket well.Fuel system, venting12Put a collection vessel beneath the fuel filter.Open the vent nipple on the fuel filter retainer.Remove the filter with tool 9996670.3Moisten the new filter gaskets with oil and screwthem on by hand until the gaskets come in contactwith the bracket. Thereafter turn the filter an additionalhalf turn.4Vent the fuel system. Start the engine and check thetightness round the filter.2Fill the fuel system by pumping the feed pump’s handpump. When the fuel which flows out through thevent nipple is free from air bubbles close the ventnipple while the fuel is flowing out. Additional ventingis not normally required.3If the injection pump requires venting release the connectionfor the overflow valve. Continue pumping withthe hand pump until there are no air bubbles in thefuel.Thereafter tighten the connection while the fuel isflowing out.39