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Ignition System - HEI (CARBURETED Models): Overhaul: Distributor: Disassembly

  1. Remove wiring harness from cap. Remove distributor cap and disconnect vacuum hose from vacuum advance unit. Mark position of rotor and distributor housing for reassembly reference. Remove distributor housing from engine.
  2. Remove rotor, 2 advance springs, weight retainer and advance weights. Mark distributor shaft and gear so they may be assembled in same position. Drive roll pin out of drive gear while supporting gear to avoid damaging distributor shaft.
  3. Remove gear, shim and tanged washer from distributor shaft. Clean all components and remove burrs from shaft. Carefully remove distributor shaft from housing. DO NOT  attempt to service shaft bushings in housing.
  4. Remove 2 vacuum advance attaching screws and remove unit. Disconnect capacitor lead and remove capacitor. Remove 2 attaching screws holding module to housing and remove module. Remove "C" washer from housing. Remove pick-up coil assembly from distributor shaft.
  5. Remove wiring harness from position in distributor housing. For integral coils, remove 3 coil cover attaching screws and lift off cover. Remove 4 ignition coil attaching screws, disconnect coil leads, and remove coil from cap. Remove ignition coil arc seal.