Hammond vibrato scanner cleaning

Cleaning tye Hammond vibrato scanner becomes necessary if scanner is over-oiled. Oil saturates the stator insulators, and leakage causes “motor-boating” effect

Procedure:

  1. Remove 4 nuts and pull motor/scanner assembly from tone generator.
  2. Remove 3 screws holding the scanner and motor together.
  3. Remove the felt from oil cup, unthread the oil wicks
  4. Open scanner back, pull out the carbon brushes from the pin. Close the back cover to protect the pin.
  5. Open 4 screws to remove the scanner case. Watch the pin!
  6. Open 16 bolts holding the stator elements in place. Wiring comes loose while doing this.
  7. Clean all parts using proper solvent
  8. After cleaning, assemble the scanner in reverse order.

More detailed information available from hamtech FAQ

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