ANNUAL CLEANING

Clean your espresso machine once a year. No matter how good your water filtration is, you are still getting scale in your boiler tank. While small amounts of scale do not change the espresso flavor much, over time this small amount will increase greatly and give a very bitter taste in your cup.

NEVER use dish soap anywhere on your machine that will come into contact with coffee. Detergent can leave residue that will attack and break down oils. Since the beneficial flavors in coffee are largely oil-based – the last thing you want is something that breaks down these oils. This also applies to your coffee cups.

In general, the less a machine is used, the more often it needs cleaning. I know it sounds counter-intuitive – but a machine in constant use will also be rinsed regularly, reducing the time that oils and contaminants can settle on surfaces and require cleaning.

You should clean your portafilter at least once a week and soak it in a coffee cleaner solution.

Rinse your machine with clean water backflush and the “portafilter” after every shot.

If you want to understand the rationale – place a cup under the portafilter when your machine is clean. Draw water into it (without coffee). Once there is water in it, do you really want to make coffee with it? Ultimately, all these recommendations are about cup quality and machine preservation. The former should be distinguishable in every tasting, but the latter is not. Taking it seriously will build a flavor and eventually your machine will need service when certain elements have a specific lifespan that is not related to how often you service the machine. Other parts can last forever or may need regular replacement depending on usage conditions. For example, a cafe with poor water quality may need to change its filters and service its machines twice a year. On the other hand, a cafe with abundant water may only need to do this once a year.

Things you should pay attention to:

• Replacing water filters.
• Replacing the pump.
• Replacing switches and solenoids (electrovalves).
• Descaling the machine.
• Replacing the pressure regulating valve.
• Replacing elements.
• Replacing worn seals in group heads.
• Replacing the heating element.

Replacement or resetting of the above parts. Make sure you are aware of the service life of these parts (it is always best to get expert advice on this) and these are issues that must be addressed to prevent unwanted malfunctions, damage to your machine, or deterioration of coffee quality.

While machine maintenance is being performed, the consumer should be informed about which of the above listed parts are in good or bad condition, and the replacement of necessary parts is recommended.

Remember, “Good COFFEE comes from Good CLEANING!..”

NOTE: Most malfunctions are generally not visible until the machine is opened. The consumer sometimes says ‘this machine broke quickly after coming from the service’. The parts we listed above are prone to failure at any moment if not changed annually. It plays an important role for consumers to know this. Be sure of the service centers you entrust your machine to.

Best regards;
MUSSİ COFFEE SPARE PARTS & INDUSTRIAL