Nässjötryckeriet AB
88
22.
Close the door and fix the logo outside upper right corner
of the door.
TROUBLESHOOTING
The door is difficult to open and / or close
Adjust the torsion springs to add / remove spring tension.
Align ceiling runners and curved segments.
Measure corner to corner on the ceiling tracks. This meas-
urement should be equal. If not, reposition the tracks to
ensure they are parallel and square to the opening.
Door travels up or down independently from any height
Adjust the torsion springs to add / remove spring tension.
Torsion springs are subject to high pressure. Adjustment
must only be carried out by qualified personnel
Torsion spring fractured
The following components are to be replaced:
Complete spring unit left and right consisting of: Winch
drum, spring holder with spring fracture protection, tor-
sion shaft mount, springs and centre coupling.
The door panel must not be removed under any circum-
stances! Non-compliance can result in rope jumping from
winch drum with subsequent uncontrolled fall of the door.
The door must be repaired by qualified personnel.
