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  • Product Help - Cabin Door Seal - New Style

    Background:

      The new style cabin door seal is now available for the later model A36 Bonanzas (1984 and Up) and 58 Barons (1999 and Up). The new style seal was introduced by Beechcraft when the cabin door latching mechanism was modified.

      Unlike all of our other rubber based seals, the new style cabin door seal appears to be made of a silicone based material. The 3M Scotch-Grip 1300 and 1300L adhesives that we recommended for rubber based seals will not adhere effectively to the new silicone based seal.

    Installation Note:
      Prior to installation, you may want to contact Beechcraft Technical Support or your local aircraft mechanic for information on installation procedures and the best adhesive for use on the new style seal.

    For Your Consideration:
      We are providing the installation feedback we received from our aircraft mechanic customers. Several mechanics have reported effectively using the following steps and adhesives to install the new style cabin door seal.

      Steps:

      1. Remove the old seal and adhesive. Clean all surfaces thoroughly to insure adhesion of the new seal. Take care not to remove the paint from painted aircraft surfaces.
      2. Inspect the new seal and clean the seal as needed. Layout the new seal as it will be installed on the cabin door.
      3. Apply a thin coat of Clear RTV Silicone Adhesive/Sealant to the side of the seal that will be in contact with the cabin door. Note: The silicone adhesive/sealant should be a high quality Clear RTV Silicone Adhesive/Sealant such as Permatex, Dow Corning, or GE (Do not use the cheaper silicone bathtub caulking sold by home improvement centers).
      4. After the adhesive/sealant has been applied to the seal, carefully position the seal on the cabin door taking care not to stretch the seal.
      5. Once the seal is positioned around the door, carefully close and latch the door, making sure that the seal remains in the proper location on the door. IMPORTANT: To keep the door seal from adhering to the fuselage door frame, it is advisable to coat the door frame with a very thin coat of Dow Corning DC-4 Lubricant, as a release agent. This will ensure that any RTV that may squeeze out when the door is closed cannot bond the seal to both the door and the fuselage door frame. Bonding to both surfaces would result in the seal being torn apart when the adhesive has cured and the door is opened.
      6. After approximately one hour, carefully open the cabin door and verify that the seal is in the correct location. If all is well, close and latch the door and allow it to cure overnight.
    Caution:
      Carefully test all solvents or products that you use to remove the old seal and adhesive. Overly aggressive cleaning may also remove the paint. If the paint has been compromised, it may be necessary to clean, etch, prime, and repaint the impacted areas of the door or fuselage.

    Performance Aero, Inc. provides these suggested installation steps without any assumption of liability on our part. Appropriately trained and certified personnel are required for the installation of all aircraft parts. If you choose to complete the installation yourself using these steps, you are solely responsible for the results.

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