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In this video, the technician will tell you how to replace the drain valve in a Melitta coffee machine. Bosch drain valve: https://service-cm.ru/shop/zapchasti-... Melitta drain valve: https://service-cm.ru/shop/zapchasti-... Coffee machine forum https://forum.service-cm.ru 00:00 Greeting 00:19 What the video will be about 01:20 Why you should completely disassemble the coffee machine (when replacing the drain valve) 02:52 Taking out the reducer 05:42 How to remove the valve itself 07:20 Reason for drain valve failure 08:19 Features of old and new valves 10:17 What you must do before installing the drain valve 10:42 Installing the drain valve with a spring 12:30 Assembling the reducer and installing the drain valve grip 13:55 How to install the reducer in a coffee machine 16:55 Fixing the pump 19:15 Installing the coffee grinder 21:52 Installing the board in place 27:45 Screwing in the screws that secure the gearbox 30:08 Continuing to assemble the coffee machine 32:52 Results