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Home >> Mercury >> 1982 >> LN7 Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> MOTORCRAFT Model 740 2-Barrel >> Overhaul >> Disassembly >> Main Body
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Main Body

  1. Remove vacuum throttle kicker (if equipped). Remove 4 accelerator pump cover screws, pump cover, pump diaphragm and pump return spring. Using needle nose pliers, remove accelerator pump nozzle.
  2. Remove idle fuel shutoff solenoid and washer. Remove fuel bowl vent solenoid and washer. Remove 3 power valve cover screws, valve cover, spring and diaphragm. Remove dashpot (if equipped).
  3. Using a 3/32" drill bit, drill through hardened steel idle mixture concealment plugs and plastic inner plug. Remove plugs with screw extractor. Turn mixture screws in until lightly seated. Count the number of turns required to seat screw (to nearest 1/16 turn). Remove mixture screws, springs and "O" rings.
  4. Remove primary and secondary fuel discharge nozzles. Carefully mark for reassembly reference. Be sure to note top and bottom ends. Remove primary and secondary jet holders and high speed air bleeds.
    NOTE: Idle jets are located in bottom of holders. The air bleeds, main well tubes and main jets are a press fit assembly, but may be removed and assembled by hand.