Inspection And Servicing - Graf 381130 Instrucciones Para Montaje Y Mantenimiento

The entire system must be checked for leaks, cleanliness and stability at least every three months.
The entire system should be serviced at intervals of approx. 5 years. In this case, all parts of the system
must be cleaned and their function checked. Servicing should be carried out as follows:
Drain the tank completely
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Remove solid residue with a soft brush
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Clean surfaces and internal parts with water
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Remove all dirt from the tank
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Check that all internal parts are firmly seated.
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Inspection and servicing

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