Main Body
- Pry float shaft retainer from fuel inlet seat with a screwdriver, then remove float, float shaft retainer and fuel inlet needle assembly. Remove retainer and float shaft from float lever.
- Remove fuel inlet needle, seat, filter screen and main jets. Remove booster venturi screw, booster venturi, metering rod assembly and gasket. To disassemble metering rod assembly, remove lift spring retaining clip and spring. Do not remove metering rod hanger from lift rod.
- Invert main body and catch accelerator pump discharge weight and check ball. Remove accelerator pump operating rod from overtravel lever and retainer by pressing ends of retainer together, while at the same time, pressing rod away from retainer until it is free, then remove rod and retainer.
- Remove accelerator pump cover screws. Remove bowl vent bell crank and bracket, accelerator pump cover, diaphragm assembly and spring. If necessary to remove Elastomer, grasp firmly and pull out.NOTE: If tip of elastomer valve broke off, make sure it is removed from fuel bowl. Elastomer valve must be replaced whenever it is removed.
- Remove enrichment valve cover and gasket, then remove enrichment valve and valve gasket using a box wrench. Remove mixture needle limiter caps, mixture needles and springs. If necessary, remove nut and washer securing fast idle adjusting lever and remove lever. Remove throttle positioner (if equipped).
- If necessary to remove throttle plates, mark each throttle plate with its corresponding bore for reassembly. Slide throttle shaft from main body. Mechanical high speed bleed actuator will drop out. It is located between throttle plates. On altitude compensated carburetors, remove 4 attaching screws and remove aneroid and valve assembly with gasket.