Instruction manual
DC-250
3/5
III. Assembly
Warning!
The product sensitive to impacts
–
handle with care!
Place the circle segments on a flat and even surface, next use included screws to screw the segments together only with
hands. Then check the diameter with a measuring tape in four points on the circle edge (at 12, 3, 6 and 9 o
’
clock), each
time if it is needed please move the segments to adjust the diameter to 2135 mm with all/- 5 mm. Next tighten
the screws with wrenches. Finally check the diameter again.
Do not roll the assembled circle, it must be transported carefully to the place of the installation!
IV. Installation in concrete foundation
The assembled circle is to be embedded in the concrete foundation approx. 30 cm thick, made of concrete class C20/25,
and approximate diameter 2,9 m.
surface inside the circle
circle rim
target field surface
concrete
[mm]
