5. FUEL SYSTEM MXU 500 IRS
Needle Jet
Remove the needle jet.
Remove the pilot screw, spring, washer and
O-ring.
Before pilot screw removal, slowly turn
the pilot screw clockwise and count the
number of turns until the screw is
lightly seated. Make a note of how
many turns were made so the screw can
be reset correctly.
Pilot Screw
5-12