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Before starting, disconnect the autoclave from the power source and ensure that there is no pressure in the autoclave.

Allow the autoclave and the door to cool for about an hour before removing the outer covers.

1. Pull off the gasket from the door groove.

2. Clean the groove of the old gasket’s remainder (plain water is okay).

3. Line the inside of both sides/walls of the gasket groove with grease.
   Note: It is recommended to use a silicone-based lubricant such as Würth Silicone Emulsia (Tuttnauer part number SEA 095-0117). If you purchase a replacement door gasket, it will come with a small packet of lubricant.
   If insufficient lubricant is applied, replacing the gasket will be difficult. The gasket will 'spring' out of the groove if excess lubricant is applied.

   

4. Install the new gasket referring to the drawings below points 1, 2, and 3.
   Make sure the gasket sits evenly without waves, humps, or cavities.

   This drawing shows the correct direction of the gasket.

   
5. 

   Perform the testing process procedure.