Disassembly
Remove the carburetor from the engine and place it on a clean, flat surface.
Clean the outside of the carburetor. Remove the 2 screws and carburetor cover. Remove the float and needle valve from the carburetor cover. Unscrew and remove the anti-knock valve from the carburetor cover. Check that the sealing washer comes off with the valve. Unscrew the 3 screws securing the choke mechanism and remove the mechanism. Unscrew the air jets from the top of the carburetor. Note the size and location of each jet so that they can be reinstalled correctly. Turn the carburetor over so that the emulsion tubes fall out of the emulsion wells. Note the size of the emulsion tubes and their location so that they can be reinstalled correctly.
Unscrew the main fuel jets, noting their location. Using a pry bar or thin screwdriver, remove the accelerator pump nozzles. Unscrew the 4 screws and remove the accelerator pump cover, diaphragm and return spring.
Unscrew 3 screws and remove the economizer valve. Remove the cover, return spring and diaphragm. Unscrew the screws and remove the throttle damper.
Remove the plugs and unscrew the mixture adjustment screws. Unscrew the screws and remove the throttle body from the carburetor.
Cleaning
Clean the float chamber. Blow out all the jets and clean their seats. Replace the gaskets and diaphragms, and other components if necessary.
Assembly
Install the throttle body onto the carburetor with a new gasket and secure with screws.
Screw in the mixture quality adjustment screw. Make the initial adjustment by screwing the screw in completely, then backing it out 2 full turns. Install the throttle damper. Install the economizer valve. The diaphragm washer and vacuum channel must be aligned with the diaphragm and casing. Install the accelerator pump. Be careful not to damage the valve. Check that the round gasket is installed correctly. Install the accelerator pump nozzles. Install the emulsion tubes and air jets in their places in accordance with the previously made markings. Screw in the anti-knock valve. Install the needle valve and float. Adjust the float level.
Install the air damper control mechanism and secure with three screws.
Install a new gasket on the mating surfaces of the carburetor cover and carburetor. Install the carburetor cover onto the carburetor and secure with screws. Install the carburetor onto the engine.
[The text of the article was copied from the website: www.FordBook.ru]