Backflush - Linea PB

Backflush - Linea PB



Backflushing is common practice for cleaning groupheads of coffee grounds and oils which accumulate during coffee service. This guide demonstrates using the espresso machine's automated cleaning feature!
Example Supplies
Supplies & Tools:
  1. Espresso Cleaning Powder
  2. Stubby Flathead Screwdiver
  3. Blank Portafilter Basket
  4. Grouphead Cleaning Brush
  5. Heat Resistant Container
  6. Microfiber Towel
Idea
The Linea PB features an automated cleaning function! Simply follow the 3 step procedure below to begin the cleaning process for each group.



Step 1: Remove & Clean Diffuser Screws & Screens
Using a Stubby Flathead Screw driver, remove diffuser screen and screw.
Rinse and clean diffuser screen and screw.
Scrub grouphead with cleaning brush.
Reinstall diffuser screen and screw!

Step 2: Automated Cleaning Backflush
Tech Tip! Only backflush one group at a time! Cleaning product foams during the backflushing process and drains at a slower rate.
Starting at Group 1...
... and repeating for Groups 2, 3, and 4 (if applicable) once Steps 2 & 3 have been completed.
Scoop a teaspoon of espresso cleaning product into the blank portafilter.
A scoops worth of the spoon on the reverse side of the grouphead cleaning brush is sufficient.
Pour a small amount of hot water into blank portafilter, along with the cleaning product, and allow to effervesce.
Approximately 30 seconds.
Engage blank portafilter into grouphead.
Press Button 1 (Single Dose) and Button 3 (Continuous) simultaneously to begin Automated Cleaning cycle...
Automated cleaning cycle will run for 10 seconds with 4 second pause intervals. Repeating 10 times.
Allow for cleaning cycle to complete.
A prompt will appear on display.
If necessary, press any button to manually cancel cleaning cycle.

Step 3: Rinse (No Espresso Cleaning Product)
After Automated Cleaning backflush has been completed.
Press Button 1 (Single Dose) to allow clear water to dispense from grouphead.
Rinse blank portafilter so it is free of any residual cleaning product.
Re-engage blank portafilter into grouphead and activate Automated Cleaning function once more...
... However this time, manually cancel cleaning cyle after the second 10 second interval.
Repeat Steps 2 & 3 for remaining Groups!

Rinsing the group with clear water after a cleaning cycle ensures the grouphead is clean of residual espresso cleaner!