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Home >> Mercury >> 1983 >> Capri Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - HOLLEY 4180-C 4-Bbl >> Overhaul >> Disassembly >> Main Body

Main Body

  1. Remove air cleaner stud. Remove secondary diaphragm link retainer. Invert carburetor and remove throttle body retaining screws and lock washers. Lift off throttle body and discard throttle body gasket.
  2. Remove choke rod cotter pin from choke housing shaft and lever assembly. Remove choke cover, thermostatic spring and gasket. Remove choke main housing and gaskets from main body.
  3. Remove choke housing shaft nut, lock washer and spacer. Remove shaft and fast idle cam. Remove choke piston and lever assembly.
  4. If it is necessary to remove choke valve and shaft, tips of choke valve screws may have to be filed because they are staked into shaft. After removing screws, remove valve and slide out choke shaft.
  5. Remove secondary diaphragm housing and gasket. Secondary diaphragm housing must be removed before attempting to remove cover. Remove diaphragm housing cover, spring diaphragm and vacuum check ball.
  6. Remove accelerator pump discharge nozzle screw. Lift off discharge nozzle and gaskets. Invert main body and catch accelerator pump discharge needle as it falls out of bore in main body.
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