Daily Archives: May 13, 2019

  • Espresso Machine Maintenance

    One key element of owning an espresso machine is maintaining it. This means regular cleaning and maintenance. We get a lot of questions about how often one should backflush and descale, so we wanted to talk a little bit about that here! We'll start with more frequent maintenance like cleaning the grouphead and backflushing, then get into descaling.

    A lot of your cleaning schedule will revolve around usage. If you brew multiple drinks per day, you'll want to clean more frequently. For the purposes of this article we're assuming you make 1-3 drinks per day. Another thing to note is that we're keeping this general. Most machines, from Brevilles and DeLonghis all the way up to Rockets and Izzos will require the maintenance outlined here. You should, of course, take the guidelines of the manufacturer into account when planning maintenance! We're also catering this piece for those with semi-automatic machines. Superautomatics have more guided cleaning cycles, but we'll talk more about maintaining them in future posts as well!

    Daily and Weekly Cleaning

    One easy to do thing that will keep your machine making great espresso day to day is to ensure that your portafilter and the screen in the brew group is free of coffee grounds. This means giving your portafilter a quick wipedown after every shot, ensuring it is dry and clean. You should also run a quick rinse of water through the screen after each shot before you reattach the portafilter. Simply start a brew cycle and stop it to push some water through. This clears and grounds that may have clung to the screen during brewing. It's also VERY important to purge the steam wand whenever you steam milk! This is as easy as turning the steam on outside of milk after you finish steaming. This will clear any milk that gets sucked back into the wand during steaming. You'll want to be sure to completely wipe off any stuck on milk as well. As always, when handling the steam wand, be careful not to touch a hot wand or the steam it produces.

    You will also want to perform regular backflushing of the grouphead. Backflushing is done by using the blind basket (the one with no holes!) in your portafilter along with a little bit of water and/or backflush detergent. You'll then run a backflushing cycle, which differs from machine to machine (your manual should explain how to do this). It's worth it to backflush with water every day or two, but detergent backflushing is only needed every 1-3 weeks depending on use. A busy cafe might backflush with detergent daily, but this isn't necessary for home use.

    It's also worth using a grouphead brush to scrub the grouphead every week or so. This can free and clingy grounds and keep the screen clean. These tools make this easy, but a used toothbrush or other small, handheld brush can work to clean the screen too.

    Descaling and Steam Wand Cleaning

    The two maintenance items you'll perform less frequently are thorough cleaning of the steam wand and descaling. The former involves using a milk system cleaner with your machine's steam wand to clean out any milk gunk stuck inside the wand. This process can vary from system to system, so refer to your manual and the cleaning product's guidelines to clean it properly! This process should be performed every month or two on your espresso machine. Soaking the steam tips in a cleaning solution like the one above in this timeframe can also keep your steaming system fresh! Just be sure to fully wipe down and purge the wand to ensure no cleaning solution ends up in your latte!

    Descaling is, of course, one of the most important things to stay on top of to maintain your machine. You can descale with a 50/50 mix of water and white vinegar, or with a dedicated descaling cleaner. To descale, you'll want to run the water/cleaner mix through the machine until you've pulled through about a cup of water. This allows the mix to fill the boiler and pipes of the machine. Next, you'll shut of the machine for 20 minutes to an hour. This will give the solution time to remove the limescale buildup inside the machine. Next, run about a quarter of the reservoir through the brew head and the steam wand, then shut the machine off for another 20 minutes. Finally, run the rest of the reservoir through the machine, and then run two or more reservoirs of clean water through the brew head and the steam wand. In the end you'll have a freshly descaled machine!

    It should be noted that some machines should NOT be descaled by anyone other than a professional technician. This is true, most notably, of Rockets. A quick search for your machine + descaling should help you determine if its safe to descale your machine at home. This is a process that should be performed every 3-6 months. The main factors affecting time between descales are how frequently you use the machine and the hardness of the water you run through it.

    We hope this look at normal maintenance is helpful for you! By adhering to a simple schedule like this you can keep your machine running in great shape for many years.

     

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