Universal Telescopic Dome Shaft; Assembling The Extension; Inspection And Servicing - Graf CARAT XL Einbau-/ Montage-/ Und Wartungsanleitung

6. Assembling the tank dome and telescopic dome shaft
6.5

Universal telescopic dome shaft

For installation under lorry traffic areas, the telescope
shimmed as described in point 6.4 above. The cast frame
to be provided by the customer or the concrete rings
be provided by the customer are then installed to distribute
the load on the cover. The cast frame must have a bearing
surface of approx. 1 m² so that the load forces cannot be
transferred to the manhole
circumstances.
Attention: It is essential to use a class D cover.
6.6

Assembling the extension

For larger coverage heights an extension is needed. To insert
the extension into the tank dome, soft soap is needed. Into the
highest groove of the adapter the profile seal is inserted an
greased generously. Afterwards push the telescopic dome shaft
into the extension and adapt it to the planned area surface.
max. earth-cover 2000 mm
(in each case in connection with the Maxi telescopic dome shaft)
Telescopic dome shaft (can be inclined by 5°)
Extension
Tank dome (can be rotated by 360°)
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
Clean surfaces and internal parts with water
Remove all dirt from the tank
Check that all internal parts are firmly seated.
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7.

Inspection and servicing

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2024-03