Manual for installation and operation, Comfort 870 GB (#81125) 25
6. Installation
Special 432
Steel model
B4,2 x 19
B4,2 x 25
B4,2 x 19
B4,2 x 25
6.4 / 4
6.4 / 3
• Mount the reference point magnet (A) in the magnet
housing (D).
• Mount the magnet housing (D) at the previously
determined position on the toothed rack.
• Check the clear distance between the reference point
magnet (A) and the motor unit (B).
• Check the distance between the centre of the
reference point magnet (A) and the centre of the
spur gear (C).
Special 441
Aluminium model with cable channel
• Mount the reference point magnet (A) on the
magnet housing (D), as shown.
• Mount the magnet housing (D) at the previously
determined position on the toothed rack.
• Check the position of the reference point
magnet (A).
• Check the clear distance between the reference point
magnet (A) and the motor unit (B).
• Check the distance between the centre of the
reference point magnet (A) and the centre of the
spur gear (C).
Special 471
Plastic toothed rack with steel core.
D
A
D
A
6.4 / 6
6.4 / 5
D
A
B4,2 x 16
B4,2 x 19
B4,2 x 9,5