DUKER 4510 Series Руководство по эксплуатации - Страница 13
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10 Service and maintenance
10.1 Maintenance
It is recommended to operate fittings that remain permanently in one position three to four times a year.
10.2 Replacing the profile sealing
Mark the positon of the retaining ring (4) to the disc (3) (yellow line).
Issue 03
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Düker GmbH – www.dueker.de
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