What parts are needed to change a 4640 operator into a 4630 operator?

Parts required to convert a 4640 to a 4630:

  • 4631-3971 cylinder only.
  • 4630-3077T  track arm.
  • 4630-3038 track.
  • 4630-WMS screw pack, which includes the -3034 roller.

Parts required to convert a 4630 to a 4640:

  • 4642-3971 cylinder only
  • 4640-3077 regular arm for reveals up to 4-1/2” or 4640-3077L long arm for reveals of 4-1/2” to 8”.
  • 4640-WMS screw pack.

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