Sistem-Air JOLLY Manual De Instalación, Uso Y Mantenimiento página 46

Drill by following the outer edge you have
previously drawn. Use an angle grinder
(shown in the picture) to drill accurately.
Enlarge to Ø 90 the Ø 10 hole
previously drilled; use a Ø 90 core drill.
IMPORTANT: if possible, enlarge the hole
by drilling half from outside and half from
inside.
Installation, use and maintenance guide
4
Make a hole in the wall for the housing
5
of the Jolly suction unit.
IMPORTANT: Depth of the housing: 15 cm
6
Ø 90
50%
The picture shows the finished housing
7
for the Jolly suction unit.
16
Ø 90
50%
Jolly-Jolly Contact 01-04/01