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01-10 (4) Fuel and lubrication system When working with the fuel or oil systems in enclosed area, always keep the working area well- ventilated and never allow anybody to smoke. Gaskets and seals on the fuel and oil systems should be replaced with new ones. All bolts and nuts should be tightened as specified. Make sure to check the connections for leak after installation. - - - If fine dust or foreign material enters into DI engine's fuel system, there can be serious damages between HP pump and injectors. So, be sure to cover removed fuel system components with cap and protect removed parts not to be contaminated with dirt. (Refer to cleanness in this manual while working on DI engine fuel system) When working on the fuel line between priming pump and injector (including return line), always plug the openings with caps to prevent foreign materials or dust from entering to the openings and connections. The HP fuel supply pipe (HP pump to fuel rail) and HP fuel pipe (Fuel rail to injector) should be replaced with new ones when removed. 1. 2. 3. |