5. FUEL SYSTEM                                                                 MXU 500 IRS



 Fit a new O-ring in to the float chamber
 groove securely.




                                                            O-ring



                                             O-ring   Small Convex       Accelerating Pump Cover
 Assemble the accelerating pump diaphragm
 and new O-ring.
    Install the accelerating pump
    diaphragm with the small convex facing
    up.




                                                 Accelerating Pump Diaphragm
                                                 Accelerating Pump Diaphragm




                                                                                        5-18