Telescopic Dome Shaft Suitable For Vehicle Loading; Telescopic Dome Shaft Lorry-Bearing; Assembly Of Extension Sleeve - Graf Carat XXL Instrucciones De Instalación / Montaje Y Mantenimiento

6.
6.4

Telescopic dome shaft suitable for vehicle loading

If the tank is installed below a surface driven on by
vehicles, the telescope
crete in the collar area (load class B25 = 250 kg/
m²). The concrete layer must be at least 400 mm
wide and approx. 200 mm high all the way round.
The minimum covering above the tank shoulder is
at least 800 mm (max. 1050 mm with telescope,
coverage up to max. 1500 mm possible with ex-
tension sleeve).
Please note that the corresponding tank cover has
to be provided by the customer.
It must be possible for the cover to be opened with
hydrant keys A or B in accordance with DIN 3223
and the cover must be appropriate for the loading
on site.
6.5

Telescopic dome shaft lorry-bearing

When installing below surfaces driven on by lor-
ries, the telescope is lined as described in 6.4.
The concrete rings
cast frame with star-shaped load distribution are
then installed to support the cast cover. The cast
frame must have a contact area of approx. 1 m².
The minimum covering above the tank shoulder is
at least 1000 mm (max. 1050 mm with telescope,
coverage up to max. 1500 mm possible with ex-
tension sleeve).
Please note that the corresponding tank cover has
to be provided by the customer.
It must be possible for the cover to be opened with
hydrant keys A or B in accordance with DIN 3223
and the cover must be appropriate for the loading
on site.
6.6

Assembly of extension sleeve

If an extension sleeve is needed for larger earth
covers it is inserted into the tank dome with the aid
of soft soap. The profile seal is fitted in the topmost
groove of the extension sleeve and greased with
plenty of lubricant. Then slide the telescopic dome
shaft into place and adjust to suit the planned ter-
rain surface.
Please note: max. soil cover 1500 mm
Telescopic dome shaft (tilts by 5°)
Extension sleeve (cannot be shortened)
Tank dome (can be rotated 360°)
Fitting tank dome and telescopic dome shaft
must be lined with con-
(diameter 600 mm) and a
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