8
MATRIX - rev. 1.1_09_2020
91 mm
> 5 mm
22
11
÷÷
To lock the gearmotor back, put the release lever to its original
closing position and turn the key clockwise (Picture 12).
Remove the key from the barrel and pull down the plastic tang.
Move the gate to restore the lock system.
Power the gearmotor.
Picture 12- Lock barrel
Picture 13- Manual release
3.8 Rack installation
3.8.1 B102 steel rack - type M4 12x30mm - 1m length
ATTENTION:
Fit the rack as shown in the below picture.
Manually move the gate to opening position.
Fit the three bolts to the rack in the centre of each slot (Picture 14).
Rack has to be aligned to the gate.
While positioning the rack, keep a small gap between rack and
cogwheel of 1/2mm and level. Weld the rst bolt to the gate.
Move the gate manually making sure the rack properly matches the
cogwheel, then weld the second and third bolt.
Place another rack piece beside, using another one underneath for
calibration. See Picture 15
Picture 14- Rack installation
Picture 15- Rack calibration
Move the gate manually and weld the three bolts.
Close the gate manually for about 0,5 m, and join the second rack
piece to the rst one, keeping match to the cogwheel.
Make sure rack is properly levelled and x.
Repeat the same procedure for the whole gate's length.
The last rack piece may exceed the gate length: in this case add a
bracket as gate extension and as rack support (Picture 16).
Picture 16: - Extension bracket
ATTENTION: Make sure the gate
regularly reaches mechanical
ground stops keeping match
between rack and cogwheel.
Make sure as well the gate is
free of friction points during
cruising.
IMPORTANT: Avoid the gate
overloads the gearmotor.
Keep a small gap between the rack
and the cogwheel (Picture 17).
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