Machine Cleaning: A lean, clean coffee machine

‘A clean machine is a happy machine’. It’s undoubtedly true that machines that are cleaned correctly will produce higher tasting coffee. Getting rid of all of the gunk that builds up within the inner elements of the machine will guarantee your coffee tastes its sweetest. It may even scale back the bitterness brought on by the build-up of coffee oils. Just as importantly, a well-maintained coffee machine will run extra easily and final for longer between providers, servicing the machine will even be simpler and main issues will probably be much less more likely to occur (though they nonetheless can).

But how do you clean a coffee machine correctly? Surprisingly, many baristas (professional or residence fanatics) haven’t been educated to carry out this important obligation appropriately. Follow the straightforward steps under to be sure to’re performing this very important perform correctly.

Clean your portafilters

The first job is to clean the portafilters. Traditionally, baristas have been educated to soak their portafilters in a bucket of chemical compounds for ten minutes. Below is a more moderen technique which is quicker, simpler and simpler at cleansing the inside spout space of the portafilter. Doing this day by day will make sure that grime doesn’t construct up in these hard-to-reach locations.

  1. Place half a scoop of cleansing chemical in every filter basket.
  2. Insert portafilters into the group head and dispense water from the group for 30 seconds.
  3. Remove portafilters and rinse utilizing the water faucet on the espresso machine. This step is to take away exterior oil and cleaning soap.
  4. Remove the basket and wipe it clean throughout – each the group deal with and basket must be freed from oil.
  5. Use your bench material to wipe the group head seals. (Be cautious; they’re scorching.)



To clean the interior elements of your espresso machine, you could comply with a course of referred to as ‘backflushing’. Every time the pump of a coffee machine turns off after making an espresso, the machine attracts a little bit of coffee and water again contained in the group head as a consequence of a siphon impact. Backflushing with chemical compounds helps to take away any oils or grime which construct up within the inner piping of the group heads. Coffee cleansing chemical compounds are sometimes fairly robust merchandise, and we don’t need any residue to be left within the inner a part of the machine. For this cause, a rinse cycle backflush is a vital comply with up course of.

  1. Place half a scoop of cleansing chemical in every blind filter basket.
  2. Insert portafilters into the group head. (Lock them tightly.)
  3. Activate the group heads for ten seconds, after which deactivate for ten seconds.
  4. Cycle the group heads on and off 3 times.
  5. Remove the blind portafilters and dispense water from the group head for ten seconds. Then rinse out the blind portafilters.
  6. Insert clean portafilters into the group heads and repeat the backflush course of with out chemical compounds to rinse the insides of your espresso machine.

Clean your group heads

Depending on the producer of your espresso machine, the bathe screens of the group heads could also be held in place by a screw. If that is the case, it’s essential drop the bathe display to clean it as a result of grime builds up there every day. In addition, it’s worthwhile to clean the group heads’ rubber seals with a material to take away any floor coffee that has constructed up there as nicely.

  1. Wipe the bathe display together with your bench material.
  2. Using a screwdriver, take away the bathe display screws.
  3. Place the screws on the highest grate of the coffee machine (so that you don’t lose them.)
  4. Rinse and wipe the bathe screens beneath operating water.
  5. Use your bench material to wipe the group-head seals. (Be cautious; they’re scorching.)
  6. Re-attach the bathe screens to the group head and screw them in till they’re simply tight.


We advocate performing the above sequence day by day in a café setting, and at the very least as soon as every week for the house barista. Here’s to having fun with nice coffee from a machine that’s in tip-top situation.

For an downloadable model of the above brew information, click on under. Or point out it in your subsequent coffee order as we’d be glad to incorporate this useful little postcard that may sit by your espresso machine.

Note: this text was initially posted in 2017, however has since been refreshed.

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