- 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. Remove filter screen from booster venturi screw.
- 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.
NOTE:
To disassemble metering rod assembly on 2150 models, remove lift spring retaining clip and spring. Do not remove metering rod hanger from lift rod.
- Remove accelerator pump cover screws. Remove bowl vent bell crank and bracket, accelerator pump cover diaphragm and spring. If necessary to remove Elastomer valve, grasp firmly, from outside main body, 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 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 solenoid (if equipped).
NOTE:
To remove tamper-resistant plugs from idle adjustment screws, support the area under limiter plug and tap plug forward.
- 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 in main body. On altitude compensated carburetors, remove 4 attaching screws and remove aneroid and valve assembly.