Annual maintenance work requires expert knowledge. This kind of
maintenance work must be carried out by technical service person-
nel only.
In addition to the semi-annual maintenance, the following work must
be carried out as well:
1. Check the level probe, the cable and the screw connection on
the tank for damage and leaks.
2. Check the programmed alarm contacts for function.
8.5 Spare parts
For an overview of the spare parts, refer to our spare parts cata-
logue at www.gruenbeck.com. You can order the spare parts from
your local Grünbeck representative.
8.6 Wearing parts