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7.3 - Connection of the panel to the transmission belt
Install the belt by inserting it between the motor pulley and the
guide pulley. The two ends of the belt that will need to be joined
together must be on the lower branch.
Once the two ends are joined, connect the junction plate to the
panel runner in the position indicated in the "Installation Dimensions
- views from above and from the front" section according to the
type of door being installed.
7.4 - Tensioning the belt
To tension the belt, first proceed by loosening the two screws
"A" and then apply the tension by tightening the screw "B" until
reaching the pre-set control dimension indicated in the table below,
Ltr
tension control
length
beam (m)
up to 2.9 m
from 2.9 m up to 6 m
over 6 m
B
A
Lc
Lm
corresponding
measurement
spring length (mm)
(mm)
30 mm
25,5 mm
29 mm
24,5 mm
28 mm
23,5 mm
To make the joint between the two ends, use the appropriate
brackets and proceed as shown in the figure below.
N.B.: In the case of a double panel door, before connecting
the second panel to the belt it is necessary to tension the belt
(see "belt tensioning" section).
according to the length of the beam, then retighten the two screws
"A".
A
Lc
EN
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