SEM on the job! · 01. February 2019 Cleaning a check valve SEM is checking the check valve! This time, my travels took me to a dredging ship in Beverwijk. Dirt in a check valve turned out to be causing the winch to malfunction. After I removed the dirt, the winch worked properly again. See you! Greetz, SEM The winch working properly after SEM's visit! tagPlaceholderTags: Write a comment Comments: 0
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