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Alternator & Regulator: Overhaul: Disassembly

  1. Remove nut, lock washer, and pulley. Note position of spacer(s), then remove fan assembly and key. Scribe mark front and rear housings. Remove voltage regulator and remove screws holding alternator together. Separate front and rear housings.
  2. Remove bearing wave washer from rear housing. Disconnect capacitor from terminal. Remove screws, nut, washers, and remove stator assembly. Note position of insulators. Unsolder stator from diode assembly.
  3. Support front housing and carefully press out rotor. Do not allow rotor to fall. Remove screws securing bearing retainer. Remove retainer, front bearing and seal. Remove rear bearing from slip ring end of rotor.
Fig 1: Exploded View of Bosch 55 Ampere Alternator
G29437