www.graf.info
18
/
36
6.
Assembling the tank dome and telescopic dome shaft
6.5
Truck telescopic dome shaft
On installation under areas used by trucks with a maximum
weight of 12 t, the telescope
is supported as described in
point 6.4 The concrete rings
(Ø 600 mm) and a cast
frame
with star-shaped load distribution for mounting the
cast cover are then installed (observe earth coverage of at
least 800 mm, max. 2000 mm). The cast frame must have a
supporting area of approx. 1 m².
Attention
: It is essential to use the truck telescope dome
shaft (class D cover to be provided by customer).
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 extension 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)
7.
Inspection and servicing
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.
Telescopic dome shaft (can be inclined by 5°)
Extension
Tank dome (can be rotated by 360°)
www.graf.info
2019-0
5