Automatic enrichment device, filter cleaning: Operation N/Q-23A
Carefully lift lid of float
chamber and remove needle and float assembly. If the gasket is damaged
or unserviceable cut along edge of body and remove float chamber portion.
Do not remove screws holding top cover and valve body. Thoroughly clean
float chamber lid and float chamber.
chamber lid removal
A—Plug and washer for filter
C—Float chamber lid
E—Gasket for float chamber, cut at dotted line if replacement is required
G—Screw and washer fixing float chamber lid
H—Fuel inlet pipe
J—Float chamber vent pipe K—Air intake hose
Examine float needle tip for wear or damage. Examine seating in lid. Replace
any faulty parts.
6. If gasket has been cut and part removed, obtain a new float chamber and valve body gasket and cut and fit adjacent to the existing valve body gasket.
7. Install float in main body and check for end-float of hinge pin in body and clearance around the float. Remove float. Place cut gasket into position on main body.
8. Drop needle into seating of inverted float chamber lid. Then ensure the float needle is correctly located on float lever by wire stirrup.
Holding the float assembly
to face of lid with the tip of steel rule or feeler gauge, position the
lid over the float chamber close enough to allow the float assembly to
be dropped so that the hinge pin falls into the recesses in the body without
disengaging the needle from the seating bore.
replacement in lid
A—Float held against face of lid with steel rule or feeler gauge
B—Stirrup on float needle
E—Float chamber lid
the lid on to the main body align screw holes, fit three screws and spring
9. Clean and then replace the filter in the float chamber lid. Using
a new aluminium washer, refit plug and tighten.
replacement in body
A—Plug and washer retaining nylon filter
C—Screw and washer fixing float chamber lid
D—Float chamber lid
F—Ensure hinge pin falls into recesses of body