Steam & Steam Boiler Maintenance

LUCCA M58: Fill Probe Inspection

Below are instructions for inspecting and cleaning a fill probe on a Quick Mill LUCCA M58 espresso machine.

Before doing this we recommend unplugging the machine and allowing it to fully cool off. Tools required:

  • adjustable wrench
  • wire brush

First, remove the panels.

LUCCA M58: Cleaning fill probe
LUCCA M58: Cleaning fill probe

Reassemble the machine, draw 4 oz of water out of the steam boiler, allow it to reheat and test for pressure retention.