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Disassembly (All Models)

  1. Scribe alignment mark on both end frames for reassembly reference. Remove through bolts and separate drive end frame and rotor from rectifier end frame and stator. See Figure. Remove and clean brushes to prevent grease from soaking into brushes.
  2. Remove brush springs and place pressure sensitive tape (not friction tape) over rectifier end bearing and bearing shaft on rotor. Remove nuts holding stator leads to rectifier bridge. Remove stator.
  3. On SI series, remove one screw with plastic insulator. Hold diode trio to brush holder. Remove diode trio. Remove screws securing regulator and brush holder. Remove indicator light resistor, brush holder, and regulator.
  4. Remove rectifier bridge by removing screw and washer. Remove screw at capacitor lead. Remove nut/washer from "BAT" terminal stud. Remove insulator and "BAT" terminal stud. Remove screw securing capacitor to end of frame.
  5. Install rotor in vise just tight enough to remove shaft nut. Remove washer, pulley, fan, and collar. Separate end frame from rotor.
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