Manual for installation and operation, Comfort 870 GB (#81125) 17
6. Installation
90
Maximum length of toothed rack
If a toothed rack is to be installed across the entire
width of the gate, then the installation position does
not have to be determined. The length and installation
position of the toothed rack correspond to the gate
width.
Minimum length of toothed rack
The minimum length of toothed rack must be
determined at the gate.
• Move the gate to the OPEN position.
• Make a mark on the gate:
90 mm from the centre of the spur gear in the
direction of closing.
90
6.2.3 Determining the installation position and
the length of the toothed rack
• Move the gate to the CLOSED position.
• Make a mark on the gate:
90 mm from the centre of the spur gear in the
direction of opening.
6.2.3 / 1
6.2.3 / 2
6.2.3 / 3
E
Attention!
To ensure trouble-free operation,
the toothed rack must at least extend
across the area (E) between the
markings.
