5. FUEL SYSTEM MXU 300/250 Tab Tab ASSEMBLY Reverse the "DISASSEMBLY" procedures. Install rubber gasket, control shaft, washer and retaining ring. · Aligning the tab on the control shaft with the outlet duct in the fuel valve body. · Aligning the tab on the retaining ring with the outlet duct in the fuel valve body. Outlet Duct Outlet Duct Main Fuel Tube INSTALLATION Reverse the "FUEL VALVE REMOVEAL" procedures. Connect all fuel tube. Outlet Fuel Tube Reserve Fuel Tube 5-6