I'll show you a simple method to change the seal on the tappet. The machine only has to be disassembled in half 👍😉
Seal kit: https://www.amazon.de/Wartungssatz-Br... %BD%C3%95%C3%91&crid=217I3VSE58GOZ&keywords=Krups+Dichtsatz&qid=1675958590&sprefix=krups+dichtsatz%2Cinstant-video%2C182&sr=8-49-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9idGY&psc=1