How to clean boiler coffee machine two groups

Hi , This video we will show you how to clean boiler coffee machine when the customer use it long time it have scale inside so it can make the boiler not hot enough or we make coffee not too hot so we must to clean the boiler with the chemical for clean coffee machine .

[@guymross]

Thanks! Very informative

[@leevonlooney9319]

Hello, what did you soak the boiler in? I'm restoring a similar machine.

[@TheKopite5718]

Any tips on how to clean the drip tray? It leaks like crazy and overflows every time. Have the same machine but I'm a technical novice