Check width of stairs. Measure the outside to outside ladder width at the backside. Compare this to the dimensions in the installation instructions for your particular stair.
Check dimension between slide bars as compared to dimensions in installation instructions. Call the factory if there is a difference by more than 1/8".
Make sure slide bars are in the guide channel over the entire length of travel.
Lubricate guide channel with Vaseline.
Check the ladder width at the backside of the ladder. It should not be more than 1/16" out of specification. If not within spec., refer to installation instructions on ladder assembly. The factory is available to further discuss the problem.
Check to see if stair is centered in opening.
Check for proper alignment of hardware.
Check for alignment and plumbness of jamb. Mounting brackets can be shimmed to correct minor misalignment.
Add spring tension to stringer drum. (See Instruction Manual for more help)
Reduce spring tension to stringer drum. (See Instruction Manual for more help)
Add spring tension to panel drum. (See Instruction Manual for more help)
Make sure screw heads are seated against hinge.
Check for foreign debris.
Check for ladder hitting something in attic.
Check clearance in attic for ladder to go all the way to its resting position.
Reduce spring tension to panel drum. (See Instruction Manual for more help)
CALL THE FACTORY.
WARNING: The spring inside the drum, even though broken or back-wound, is under EXTREME compression. DO NOT OPEN THE SPRING DRUM. Call the factory for instructions before returning for repairs
With Bessler’s one-piece design and counterbalanced assembly, opening and closing the Bessler is smooth and easy. The stairway glides into position almost effortlessly. With ratings up to 800 lbs., and a range of ceiling heights & opening widths, most residential or commercial applications can be accommodated.