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Starting/Charging Systems: Generator: Disassembly

  1. Remove the four through-bolts.
    Fig 1: Removing Four Through-Bolts
    G03813221Courtesy of SUBARU OF AMERICA, INC.
  2. Heat portion (A) of rear cover to 50°C (122°F) with a heater drier.
    Fig 2: Identifying Heat Portion Of Rear Cover
    G03813222Courtesy of SUBARU OF AMERICA, INC.
  3. Then insert the tip of a flat tip screwdriver into the gap between stator core and front cover. Pry them apart to disassemble.
    Fig 3: Inserting Tip Of A Flat Tip Screwdriver Into Gap Between Stator Core And Front Cover
    G03813223Courtesy of SUBARU OF AMERICA, INC.
  4. Hold the rotor with a vise and remove pulley nut.
    Fig 4: Removing Pulley Nut
    G03813224Courtesy of SUBARU OF AMERICA, INC.
    CAUTION: When holding the rotor with a vise, place aluminum plates or wooden pieces on the vise jaws to prevent rotor from damage.
    Fig 5: Identifying Pulley Nut
    G03813225Courtesy of SUBARU OF AMERICA, INC.
  5. Remove the ball bearing as follows.
    1. Remove the bolt, and then remove the bearing retainer.
      Fig 6: Removing Bearing Retainer
      G03813226Courtesy of SUBARU OF AMERICA, INC.
    2. Firmly install an appropriate tool (such as a fit socket wrench) to bearing inner race.
      Fig 7: Installing Tool To Bearing Inner Race
      G03813227Courtesy of SUBARU OF AMERICA, INC.
    3. Push the ball bearing off the front cover using a press.
  6. Remove the bearing from rotor using a bearing puller.
    Fig 8: Removing Bearing From Rotor Using A Bearing Puller
    G03813228Courtesy of SUBARU OF AMERICA, INC.
  7. Unsolder connection between rectifier and stator coil to remove the stator coil.
    CAUTION: Do not allow a 180 - 270 W soldering iron to contact the terminals for more than 5 seconds at once because the rectifier cannot withstand so much heat.
    Fig 9: Removing Stator Coil
    G03813229Courtesy of SUBARU OF AMERICA, INC.
  8. Remove the IC regulator as follows.
    1. Remove the screws which secure IC regulator to rear cover.
      Fig 10: Removing IC Regulator To Rear Cover
      G03813230Courtesy of SUBARU OF AMERICA, INC.
    2. Unsolder the connection between IC regulator and rectifier to remove the IC regulator.
      Fig 11: Removing IC Regulator
      G03813231Courtesy of SUBARU OF AMERICA, INC.
  9. Remove the brush as follows.
    1. Remove cover A.
      Fig 12: Removing Brush Cover A
      G03813232Courtesy of SUBARU OF AMERICA, INC.
    2. Remove cover B.
      Fig 13: Removing Brush Cover B
      G03813233Courtesy of SUBARU OF AMERICA, INC.
    3. Separate the brush from connection to remove.
      Fig 14: Separating Brush From Connection
      G03813234Courtesy of SUBARU OF AMERICA, INC.
  10. Remove the rectifier as follows.
    1. Remove the bolts which secure the rectifier.
      Fig 15: Removing Bolts Of Rectifier
      G03813235Courtesy of SUBARU OF AMERICA, INC.
    2. Remove the cover of terminal B.
      Fig 16: Removing Cover Of Terminal B
      G03813236Courtesy of SUBARU OF AMERICA, INC.
    3. Remove the nut of terminal B, and then remove the rectifier.
      Fig 17: Removing Nut Of Terminal B
      G03813237Courtesy of SUBARU OF AMERICA, INC.