18 Manual for installation and operation, Comfort 870 GB (#81125)
6.2.4 Adjust the length of the toothed rack
Attention!
To avoid damaging the toothed rack
segments, there should be no toothed
rack segments in the rack housing at
the point where the cut is to be made.
6.2.4 / 1
• Measure the required length of toothed rack at the
gate.
If the standard rack length equals the required
length of toothed rack:
The length of the toothed rack need not be adjusted.
If the standard rack length is longer than the
required length of toothed rack:
6.2.4 / 2
• Cut off the excess length of the rack housing using a
metal saw.
If the standard rack length is shorter than the
required length of toothed rack:
• Place the required number of rack housings end to
end.
• Cut off any excess length from the last rack housing
using a metal saw.
6. Installation