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Brew Boiler Maintenance

LUCCA A53 / Vivaldi: Coffee Boiler Element Replacement

Tools Needed: Phillips screwdriver Crowbar Mallet/hammer 5mm Allen Wrench Silicone sealant 1. Remove the panels of the machine. 2. Drain the coffee boiler of the machine. For Minis, follow our instructions here. For plumbed in units, close the...

LUCCA A53 / Vivaldi: Replacing Coffee Boiler Temperature Sensor

Tools Needed: Phillips Screwdriver Pick Heat Resistant Silicone Sealant 1. Remove the panels of the A53. 2. Unplug the wires of the temperature sensor by moving the orange sleeves up and pulling them apart. 3. Remove the old temperature sensor by...

LUCCA A53 / Mini / Vivaldi: Testing the Coffee Boiler Heating Element

Tools needed:- Multimeter 1. Remove the panels from the machine.2. Identify the coffee boiler heating element legs and remove the power supply connections.3. Set your multimeter to the resistance setting (Ω) and set the range to the lowest...

LUCCA A53 DP / Vivaldi II: Adjusting the Expansion Valve (OPV)

Tools Needed:- #3 Phillips screwdriver- 21mm crescent wrench or adjustable wrenchNOTE: Before adjusting the expansion valve, verify that the line pressure going to the machine is within 30-45 PSI. We recommend using a pressure regulator on the...