20 Manual for installation and operation, Comfort 870 GB (#81125)
• Screw the toothed rack to the gate at the first screw
fixing point, in accordance with the relevant drill-hole
diagram.
• Remove the clamp.
• Push the gate 500 mm in the direction of closing.
• The section of toothed rack that now lies between
the spur gear and the fixed part of the rack can be
screwed into place, in accordance with the relevant
drill-hole diagram.
6.2.6 / 5
6.2.6 / 6
Advice:
If the toothed rack stretches the entire
width of the gate, the rack housing
must be held in place at the end of the
gate.
• Hold the toothed rack in place at the point marked
on the gate on the motor unit side.
• Lay the toothed rack onto the spur gear so that the
toothed rack engages the spur gear.
• Align the toothed rack horizontally.
• Hold the toothed rack in position at the other end
using a clamp
6.2.6 / 4
Attention!
To ensure correct operation, the
toothed rack must always be pushed
onto the spur gear as the gate is
moved.
6. Installation
6.2.6 / 3
100 100240240 240
Special 471
Plastic model
Reference:
For the Special 471 toothed rack, the
reference point magnet must be
installed before the rack is mounted.
The installation of the reference point
magnet is described in Section 6.4.
