Mhouse GDX Serie Instructions Et Avertissements Pour L'installation page 11

17-a
17-b
18
19
V8 x 45
10. Tension the chain by tightening the nut on the screw of the drive
bracket (fig. 20). CAUTION – if the chain is tensioned excessive-
ly, this may cause excessive stress and damage the gearmotor;
if under-tensioned this may cause unpleasant noise.
20
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11.
M8
12. CAUTION! – If the door is up-and-over, use the drive rod sup-
R8 x 24
22
FOR UP-AND-OVER DOORS ONLY
If the door to be automated is "up-and-over" (projecting or non-
projecting - fig. 1), the oscillating arm mod. GA1 must be fitted
(fig. 21). Then proceed with assembly of the various arm compo-
nents. IMPORTANT – Take care to move the arm as close as
possible to the handle of the door.
For assembly of the drive rod, refer to point 12.
Note – for assembly of the accessory, follow the instructions sup-
plied in the pack.
21
plied with the oscillating arm for this operation.
Before fitting the drive rod, cut this to a length that ensures obser-
vance of recommended distance E shown in fig. 3. Then use screws
and nuts to secure one end of the drive rod to the bracket (the one to
be fixed to the door or oscillating arm) and the other end to the car-
riage (fig. 22).
M6
V6 x 18
English – 11