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Alternator Overhaul: Disassembly

NOTE:  Refer to the Exploded View if needed during this procedure.

  1. Terminal Insulator and Bracket - Remove
    GHH79385Courtesy of HONDA, U.S.A., INC.
  2. Cover - Remove
    GHH79386Courtesy of HONDA, U.S.A., INC.
  3. Brush Holder/Regulator - Remove
    GHH79387Courtesy of HONDA, U.S.A., INC.
    1. Remove the brush Holder (A), then remove the regulator (B).
  4. Stator Assembly - Separate
    GHH79388Courtesy of HONDA, U.S.A., INC.
    1. Remove the four through bolts.
    GHH79389GHH79390GHH79391GHH79392Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    GHH79389GHH79390GHH79391GHH79392Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    Properly installed: 
    GHH79389GHH79390GHH79391GHH79392Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.

    Improperly installed: 

    GHH79389GHH79390GHH79391GHH79392Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    2. Separate the front housing (A) from the stator core (B) by inserting a flat-tip screwdriver into the openings and prying them apart.

    NOTE: 

    • Be careful not to damage the stator coil with the tip of the screwdriver.
    • Do not remove the bearing holder (C) from the stator assembly (D). If the bearing holder is not installed properly, replace the stator as assembly.
  5. Brush - Inspect
    GHH79393Courtesy of HONDA, U.S.A., INC.
    1. Measure the length of both brushes with a vernier caliper. If either brush is shorter than the service limit, replace the brushes.
    Alternator Brush Length 
    Standard (New):  14 mm (0.55 in) 
    Service Limit:  4.5 mm (0.177 in) 
  6. Pulley - Remove
    GHH79394Courtesy of HONDA, U.S.A., INC.
    1. Clamp the rotor in a soft-jawed vise.

    2. With OAD: Remove the OAD Pulley .

    3. Without OAD: Remove the pulley nut, then remove the pulley.

  7. Rotor Slip Ring - Test
    GHH79395Courtesy of HONDA, U.S.A., INC.
    1. Check for continuity between the slip rings (A):
    • If there is continuity, go to step 2.
    • If there is no continuity, replace the rotor assembly.

    2. Check for continuity between each slip ring and the rotor (B) and the rotor shaft (C):

    • If there is no continuity, replace the rear housing assembly.
    • If there is continuity, replace the rotor assembly.
  8. Spacer Ring/Front Bearing Retainer - Remove
    GHH79396Courtesy of HONDA, U.S.A., INC.
  9. Front Bearing - Install
    GHH79397Courtesy of HONDA, U.S.A., INC.
    1. Drive out the front bearing with a brass drift and a hammer.