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Installation
• Make holes for the screw anchors up to aprox
120 mm deep (Fig.16).
• Reposition the operator on the holes, insert the screw
anchors (Fig.17 A) and tighten slightly.
• Check the distance between the operator and the
gate (Fig.14) before fully tightening the anchor
screws.
5.2
FIXING THE BAR RACK
The rack for the ONDA 324N gearmotor is a moulded
thermoplastic material supplied by Aprimatic: consult our
Price List/Catalogue. The rack has a steel core and can
move gates of up to 500 kg. It can be easily mounted
without the need for any soldering or welding.
Assembly must be carried out in accordance with the
following criteria to ensure smooth operations and the
long working life of the automated gate:
• The different components of the rack must be well
aligned with each other;
• The pitch between the teeth must be kept constant
in the joints.
• The rack height must be respected (Fig.18) and
adjusted so that the wing never weighs on the
gearmotor.
Warning
• NEVER lubricate the rack.
A new base may need to be created if the gate base is
too low for rack assembly. Fig.19 shows an example of
a base created via a section bar.
The plastic rack is normally fi xed to the gate using
screw connections.
The pack contains four tapping screws (for each metre
length of bar rack).
We recommend using these screws to prepare holes
in function of the thickness and material of the resting
surface, according to the following table:
Thickness
mm
Steel/Brass
1,5 ± 1,9
Ø 5,2
1,9 ± 2,7
Ø 5,3
2,7 ± 3,4
Ø 5,8
3,4 ± 4,8
Ø 6
4,8 ± 5
Ø 6
Warning
Ensure that the screws are fi xed to strong points
when using wooden wings.
Material
Aluminium
Ø 5,1
Ø 5,2
Ø 5,3
Ø 5,4
Ø 5,6
- 22 -
Fig.16
Fig.17
Fig.18
Fig.19
A
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