The entire system must be inspected at least every three months for leaks, cleanliness and stability.
Maintenance should be performed at intervals of about 5 years on the entire system. Here, all system
parts are to be cleaned and inspected with regards to proper function. Maintenance should be carried out
as follows:
Empty tank completely
Check that all mounted parts are firmly fitted
Otto Graf GmbH – Carl-Zeiss-Str. 2-6 – D-79331 Teningen – Tel: +49 (0)7641/589-0 – Fax: +49 (0)7641/589-50
www.4rain.com
7.
Inspection and maintenance
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2024-06