Electrolux EWX13611 Service Manual page 90

Turn it until you reach the position shown in the figure.
Remove it.
Pressure chamber.
Detail of the pressure chamber set into the welded tub.
When reassembling:
Make sure that the seal is not damaged/warped, otherwise replace it.
Insert the pressure chamber in its seat in the welded tub.
Turn it and make sure that the two tabs slot into the purpose-provided
runners (shown by the arrows).
As shown in this picture.
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Technical Support - MDM 599 77 39-16 Rev. 00