19
EN
9. Preparation for installation
i
1. Take measurements. Check that there is sucient
space for the superrollo GW180 / GW185.
2. Remove the old belt winder, if you are carrying out
a conversion to an existing roller shutter system.
2.1 Let the roller shutter move fully down, until the slats
are completely closed.
2.2 Remove the old belt winder and unreel the belt.
CAUTION!
There is a risk of injury from the pre-tensioned
springs on the old belt winder.
◆ The spring unit of the old belt winder may suddenly
recoil when it is removed.
◆ Hold the spring unit rmly when loosening the belt
and allow it to recoil slowly until the spring unit has
completely unwound.
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