5. FUEL SYSTEM MXU 500 IRS 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 Outlet Duct Outlet Duct body. Main Fuel Tube Outlet Fuel Tube INSTALLATION Reverse the "REMOVEAL" procedures. Connect all fuel tube. Reserve Fuel Tube Arrow Mark Install the fuel filter with the arrow mark facing forward. Fuel Filter 5-6