5 months after install, and the grinder is working flawlessly! As some have commented, the grinder with the new impeller was spewing grounds everywhere for the first few months (as it had when new, and even though I followed the recommendation to coat with vegetable oil the new impeller and chute), but now that behavior is no longer occurring. Stellar experience, thanks!
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaand, IT WORKS! Thanks so much for taking the time to figure out this fix, design the shapefile, make it available at a reasonable price online, and lastly, put together this top notch set of instructions! Shame on Breville for not taking responsibility and offering the part for sale. It is obnoxious in the extreme that they insist on requiring us to send the grinder back to them and charging $100 for the same fix. You are part of what is right with the world, providing quality solutions to counter the throwaway trend in our culture and economy!
I have the static problem big time. It would have been helpful to go into this more in the main assembly instructions. Even though I washed the new impeller with water (not soap, since that wasn't mentioned) and dried as suggested, I'm still getting a LOT of static and the grounds are flying everywhere. If it had mentioned washing well with soap, I would have done it. I am not in the mood to take it apart now and wash, so I'll just have to wait awhile and see if it fixes itself. I live in southern California, and am using a Trader Joe's French Roast, so maybe that is the problem.
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