Graf KLARO Easy Notice D'installation page 70

Cut off the end of the hose to remove this plug.
7.7 Empty pipe seal with PU foam
7. Assembling the exterior switch cabinet
Filling the empty pipe with PU foam may give rise to small leaks. We would
recommend using the GRAF empty pipe seal made from PE foam.
Push the empty pipe seal into the empty pipe to
seal this tightly.
The hose surfaces and pipe walls must be cleaned
roughly and wetted slightly with water.
When filling the hoses with PU foam, make sure
that each of them is covered on all sides. For bet-
ter filling and enveloping, the hoses should be
moved slightly in the longitudinal direction.
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