W&H multidem C27, Инструкция по эксплуатации

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7. Repair
15
> Regularly check the filter system for leaks.
> Regularly check the hoses for kinks.
Kinked hoses must be replaced.
The complete filter system must be replaced in rotation after 10 years.
The non-return valve supplied must be replaced every 5 years.
Before replacing, read the technical data (Chapter 9) and the operating and safety information (Chapter 3).
Regularly clean the outside of the filter system with a soft, damp cloth.
Do not use any abrasive chemicals, cleaning solutions or astringent cleaning agents.