Group Head & Brew Boiler Maintenance

LUCCA M58: Group Head Cleaning and Maintenance

If you would like to see step-by-step written instructions and images, please see our E61 Group Heading cleaning article.

LUCCA M58: Reattaching Brew Boiler Indicator Light Lenses

Before doing this we recommend unplugging your machine and allowing it to fully cool off. Also, before you can access the internals you need to remove the panels from the machine. Tools required: adjustable wrench

LUCCA M58: Adjusting/Replacing Brew Switch

If you are finding that the pump is activating too early, you will want to adjust the brew switch back. If you are finding the pump not being activated or seemingly too far back, you will want to adjust the brew switch forward. Tools Needed: 12mm...

LUCCA M58: Replacing the Brew Boiler Element

Tools Needed: 7mm Wrench 30mm Socket + Impact Driver M58 Brew Boiler Element Brew Boiler Element Gasket 1. Drain the boilers.2. Unplug the electrical leads from the old heating element. 3. Use a 30mm socket and impact driver to unscrew the old...

LUCCA M58: Replacing the Brew Boiler

Tools required: -adjustable wrench -Phillips and flat head screwdriver -21mm crescent wrench -17mm crescent wrench -13mm socket wrench Before any servicing, ensure your machine is removed from its power source and has cooled down completely.For...

LUCCA M58: Adjusting Pump Pressure

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...

LUCCA M58: Unplugging the Brew Boiler Heating Element

Tools Needed:- 7mm open-ended wrench or socket or adjustable wrench- Flathead screwdriver- Towel (s)NOTE: This procedure is not advised if your machine is leaking internally. Resolve the leak first, then proceed.1. Remove the cup warming tray,...