BOSCH Electronic Ignition System: Overhaul: Disassembly

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.
NOTE: Keep screws with components they attach, as screws are different lengths. Damage could result if installed in wrong location.
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. See Fig 1.

Fig 1: Exploded View of Bosch Electronic Distributor
Courtesy of NOT AVAILABLE
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.

Fig 2: Removing or Installing Pick-Up Coil, Stator, and Carrier Plate
Courtesy of NOT AVAILABLE
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.
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.