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Alternators - MOTOROLA: Overhaul: Disassembly

  1. Remove brush assembly by removing two self tapping screws and cover. Pull brush assembly back just far enough to clear locating pins, and tip brush assembly away from housing. Do not pull brush assembly straight away from alternator as one of the brushes may drop between slip rings and become broken. Scribe a line across front housing, stator and rear housing. Remove through bolts. Separate housings by using two screwdrivers to pry housings apart. Do not burr stator core with screwdrivers, and do not insert screwdrivers deeper than 1/16".
  2. Remove four lock nuts and insulating washers, then separate stator from rear housing. Do not unsolder stator to diode wire junctions, remove stator and diodes as an assembly.
    CAUTION: Avoid bending stator wires at junctions.
  3. Remove rotor from front housing only if field coil and/or front bearing is defective. Bearings are permanently lubricated and sealed. Use a double-jaw puller to remove pulley. Unseat split ring washer by inserting suitable tool (J-21157) through opening in front housing and compressing washer while exerting pressure towards rotor. Remove washer only after rotor and front bearing have been removed. Remove rotor and front bearing by tapping rotor shaft.
    NOTE: Split ring washer must be removed from its retaining groove before attempting to remove front bearing.
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