Manual for installation and operation, Comfort 870 GB (#81125) 21
6. Installation
6.2.7 / 3
Special 471
• Fasten the toothed rack segments together.
• 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 in place, in accordance with the relevant
drill-hole diagram.
• Extend the toothed rack using as many segments as
necessary until the required length is reached.
6.2.7 / 1
6.2.7 / 2
6.2.7 Joining the lengths of toothed rack
Special 432, Special 441
F
G
G
• Slide the toothed rack segments (F) out of the rack
housing (G).
• Slot the toothed rack segments (F) together.
G
• Slide the toothed rack segments (F) up to the first
clamping assembly.
• Push the rack housing sections (G) together.
• 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 in place, in accordance with the relevant
drill-hole diagram.
• Extend the toothed rack using as many rack housing
sections as necessary until the required length is
reached.
G
F