5. FUEL SYSTEM                                                                            MXU 500 IRS



 ASSEMBLY                                                                   (17)

 Carburetor reassembly can be performed in
 the reverse order of disassembly. When
 reassembling, carefully observe the                   (1)
 following instructions.


    Assemble the parts taking                                   (2)
    consideration of their function.                                                      (3)
    Before assembling, wash all of the
    parts in a clean petroleum based
    solvent.
    Replace O-rings and seals with new
    ones.
    After cleaning, reinstall the pilot screw
    to the original setting by turn the screw                         (4)
    in until it lightly seats, and then
    backing it out the same number of
    turns counted during disassembly.

 (1) Spring
 (2) Retainer                                                                              (5)
 (3) Jet needle
 (4) Piston valve
 (5) Cover
 (6) Spring                                                       (8)
 (7) Casting enrichment valve
 (8) Choke air in
 (9) Main jet
 (10) Needle jet holder                                                                                (16)
 (11) Needle jet
 (12) Slow jet
 (13) Float valve                                                                  (11)    (9)
                                                         (12)    (10)
 (14) Float                                                                         (13)
 (15) Float pin
 (16) Pilot screw                               (14)
                                                                                   (15)
 (17) Cap
 (18) Cover
 (19) Float Chamber


                                                                                          (7)    (6)   (18)
                                                             (19)




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