Breville BES878 how to clean the burr grinder

When oil build-up on the burrs affects grinding, or the grinder is noisy. A blockage between the burrs and the outlet needs the advanced cleaning on page 21 of the instruction book.

You need

Steps

  1. Unlock and remove the hopper, empty the beans, then refit and lock the empty hopper.
  2. Run the grinder empty.
  3. Unlock and remove the hopper again.
WARNING

The grinder burrs are extremely sharp.

Marked WARNING by the manufacturer Source: Care & Cleaning: Cleaning the conical burr grinder, p. 21

  1. Unlock and lift out the top burr.
  2. Brush the top burr, the lower burr and the chute clean.

Source: Care & Cleaning: Cleaning the conical burr grinder Source: Care & Cleaning: Cleaning the conical burr grinder, p. 21

Used for

Other BES878 procedures

Sources

  1. the Barista Pro Instruction Book, BES878 Series (English, Canadian French and Mexican Spanish edition). Breville Pty Ltd. Document BES878 USCM, revision Q26, 2026, 84 pages, en-US. assets.breville.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to
BES878. North America (120 V edition in English, Canadian French and Mexican Spanish).
Source
the Barista Pro Instruction Book, BES878 Series (English, Canadian French and Mexican Spanish edition), BES878 USCM revision Q26, 2026
Last verified
Handbook
Breville Barista Pro BES878 in Coffee and espresso machines; all Breville handbooks