Sage
Swollen or Incorrect Group Head Gasket
Portafilter is difficult to insert or remove; handle sits too far to the left
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Possible Causes
New gasket not bedded in, Incorrect thickness gasket installed, Coffee residue buildup, Warped portafilter ears
How to Fix / Troubleshooting
Safety: Allow the group head to cool before working.
- Clean gasket area: Remove the shower screen and clean the gasket groove thoroughly.
- Check gasket type: Ensure the installed group head gasket is the correct part number and thickness for your Sage model.
- Bed in new gasket: After installing a new gasket, lock the portafilter in and run a few blank shots to help it seat.
- Inspect portafilter: Replace the portafilter if the ears are bent or deformed.
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Repair Difficulty
Easy
2/5
Required Part
Group Head Seal / Gasket
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