The door usually is counterbalanced to the ceiling with folding steel arms and two heavy duty springs.
Attic stairs spring drums.
Bessler stairways attic stair systems.
The stairway glides into position almost effortlessly.
Call the factory for instructions before returning for repairs.
With ratings up to 800 lbs and a range of.
The mechanism is quite similar to sectional garage doors but garage door contractors i have called would not even go past oh we only do garage doors.
How to replace the springs on pull down attic stairs.
Use the same procedure to connect the cable from the drum on the other side of the stair.
Pull down attic stairs have coil springs attached to the power arms at each side of the unit that keep the door closed and even with the ceiling.
Pull down attic stairs have coil springs at each side of the unit.
Hook the cable end onto the holder.
The springs connect to power arms at the upper end of the stairs and keep the door closed and even with the ceiling.
These drums have tension spring inside that helps to pull the stairs up and down.
Do not open the spring drum.
Reach up to one of the spring drums grab the cable closest to the header and carefully pull it out.
Pull the cable across the small pulley and down to the cable holder mounted to the door.