Group Head & Brew Boiler Maintenance
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Lucca M58: Adjusting Pump Pressure

How to adjust the pump pressure. (Difficulty ☕)

Tools Needed:

  • Flathead screwdriver
  • Backflush Blank

1. Locate and remove the small rubber cap from the right-hand side of the machine.


2. With the back flush disc inserted, engage the brew lever and turn the small screw in \side the machine until the pump pressure gauge reads 8.5-10 bars. (Clockwise will increase, Counter-Clockwise will decrease)



3. Once you are satisfied with the brewing pressure, replace the black cap and enjoy!