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Home >> Lexus >> 2017 >> GS F >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery / Charging System - Service Information >> Generator >> Disassembly [10/2015 - ] >> Procedure
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Disassembly [10/2015 - ]: Procedure

  1. REMOVE GENERATOR PULLEY WITH CLUTCH 
    1. Secure the generator drive end frame in a vise between aluminum plates.
      NOTE:

      Do not overtighten the vise.

    2. Place the rotor shaft end into SST (A).
      • SST: 09820-63021 
        1. 09821-63011
      GTY499917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rotor Shaft
    3. Fit SST (B) to the generator pulley with clutch.
      GTY516120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Generator Pulley with Clutch
      • SST: 09820-63021 
        1. 09821-63020
    4. Loosen the generator pulley with clutch by turning SST (B) as shown in the illustration.
      • SST: 09820-63021 
        1. 09821-63011
        2. 09821-63020
      NOTE:
      • Check that the generator drive end frame is secured in the vise tightly.
      • Hold SST (A) tightly during the operation.
      GTY512663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn
      *b Hold
    5. Remove SST (A) and (B).
    6. Remove the generator pulley with clutch from the rotor shaft.
    7. Remove the generator drive end frame from the vise.
  2. REMOVE GENERATOR REAR END COVER 
    1. Place the generator assembly on the generator pulley with clutch.
    2. Remove the 3 nuts and generator rear end cover from the generator coil assembly.
      GTY512161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE GENERATOR TERMINAL INSULATOR 
    1. Remove the generator terminal insulator from the generator coil assembly.
      GTY105243Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE GENERATOR BRUSH HOLDER ASSEMBLY 
    1. Remove the 2 screws and generator brush holder assembly from the generator coil assembly.
      GTY100756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE GENERATOR COIL ASSEMBLY 
    1. Remove the 4 bolts.
      GTY512160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST, remove the generator coil assembly.
      GTY642744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold
      *b Turn
      • SST: 09950-40011 
        1. 09951-04020
        2. 09952-04010
        3. 09953-04020
        4. 09954-04010
        5. 09955-04071
        6. 09957-04010
        7. 09958-04011
      NOTE:

      Apply grease to the threads and tip of the SST center bolt before use.

    3. Remove the washer.
      GTY520725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE GENERATOR ROTOR ASSEMBLY 
    1. Remove the generator rotor assembly from the generator drive end frame.
      GTY505903Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Generator Rotor Assembly
      *2 Generator Drive End Frame
  7. INSPECT GENERATOR DRIVE END FRAME BEARING 

    See step  4

  8. REMOVE GENERATOR DRIVE END FRAME BEARING 
    1. Remove the 4 screws and retainer plate from the generator drive end frame.
      GTY105248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using SST and a hammer, tap out the generator drive end frame bearing.
      GTY521460Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • SST: 09950-60010 
        1. 09951-00270
      • SST: 09950-70010 
        1. 09951-07100