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In this video, the technician will tell you how to repair the drain valve in a Bosch/Siemens coffee machine at home. We show the step-by-step disassembly, cleaning, assembly and testing of the drain valve. Cuff: Bosch/Siemens. https://service-cm.ru/shop/zapchasti-... Lubricant: https://service-cm.ru/shop/sredstva-d... Hook for seals: https://service-cm.ru/shop/sredstva-d... Coffee machine forum https://forum.service-cm.ru 00:00 What valves is the video about 01:15 Why repair, not replace? 03:05 How to disassemble the valve 05:00 How to clean the valve 05:50 What to check before assembly 07:38 Assembling the valve 09:50 How to check the operation of the valve? 11:41 Why repair the valve? 12:20 Demonstration of cracks in the valve