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BOSCH Electronic Ignition System: Overhaul: Disassembly

  1. Remove distributor cap, rotor and dust cover. Remove vacuum unit screws and lock clasp screws. Remove screws securing electrical leads and remove leads by carefully pulling straight out.
    Fig 1: Removing or Installing Pick-Up Coil, Stator and Carrier Plate
    G09314104Courtesy of NOT AVAILABLE
    NOTE: Keep screws with component they attach, as screws are different lengths and damage could result if installed in wrong location.
    Fig 2: Installing Wheel and Lock Pin
    G09314105Courtesy of NOT AVAILABLE
  2. Remove trigger wheel snap ring and then shims. Using 2 screwdrivers, carefully pry upward on trigger wheel. Remove trigger wheel and lock pin. Remove screws securing pick-up coil and stator assembly carrier plate. Remove snap ring and retaining clips. Lift carrier plate and stator straight up off shaft. Remove 3 screws to separate stator winding from carrier plate.
  3. Disconnect springs to centrifugal governor. Mark drive shaft relationship to distributor shaft and then secure drive shaft in a soft-jawed vise. Carefully tap on distributor housing with a plastic mallet until circlip releases. If equipped, remove triggering contacts and attaching screws.
  4. Remove resilient ring. Mark location of flange to distributor shaft. Support distributor shaft and using a pin punch, remove pin. Remove flange and distributor shaft. Remove lock springs for centrifugal weights and then weights.