Step 5: (Adjusting the string tension, if necessary)
A20
A21
A22
A23
A24
OR
OL
UR
UL
A20+A21:
In order to adjust the string tension, loosen the grub
screw inside the string stretcher sitting inside the top gui-
ding proile, with a small 1.5mm Allen screw. Now pull hte
string stretcher towards the handle bar to stretch it more,
or into the opposite direction to loosen the tension. Pull the
grub screw tight again.
In order to irst determine the position of the string stret-
A22:
cher inside the loor proile, carefully move your inger
along between the brushes of the loor proile. The string
stretcher is located inside the bottom canal of the loor
proile and is covered by the brushes.
A23:
Use a small 1.5mm Allen screw here, too, to loosen the
grub screw from inside the string stretcher. Pull the string
stretcher towards the handle bar to stretch the string more
and into the opposite direction to loosen the strings. Now
pull the grub screw tight again.
Make sure the handle bar is running parallel to the coffer
A24:
proile or the door sealing.
Note: When stretching or loosening the handle bar is adju-
sted in the following direction:
String stretcher
Top
Top
Buttom
Buttom
Attention: Pretention must not be too strong since
operating will be too stiff and, in the worst case, the
string may tear!
Pulling
Direction
Loosening
X
X
X
X
US/GB
UR
UL
OR
OL
11/17