If you want to use a drill attachment be sure it s a variable speed drill set at a low speed.
Roll up door tension adjustment.
Therefore it is suggested you check the tension at the time of installation and periodically over the course of a year.
Start with the bottom bar angle at the bottom of the curtain roll and use a pipe wrench to rotate the axle approximately 1 turn to pre tension the door.
Roll up door tension adjustment as roll up doors age the springs may relax somewhat and require adjustment to properly assist in lifting the door.
This is how to loosen or tighten the tension on a roll up door.
Once you ve moved the hook to its new location replace the nut on the back and use the wrench to tighten the hook into place.
With the door in the open position simply insert a standard 5 16 allen wrench into the exposed drive and adjust clockwise to reduce tension or counterclockwise to increase tension.
Tighten the set screws on both tensioners before operating the door.
If the door is hard to close but easy to open you will need to remove spring tension.
The tension set bracket found on the dbci 650 and 690 series is the first of its kind making adjusting roll up doors safer easier and faster.
The amount of tension required may vary slightly.
In this video chris shows you how to remove or add tension to trac rite roll up door springs.
How to tension your light duty roll up door open the door completely so the curtain wraps around the drum before making any adjustments if the door needs tension pull it back down approximately six inches.
The dbci exclusive tension set bracket is an innovative tool that accomplishes fast and safe adjustments.
For a cold door that needs additional tension offset the balance of the door by positioning the bottom bar ten inches below the opening header.
That s just one small example of how the dbci makes a big difference.
This is how to loosen or tighten the tension on a roll up door.
Final adjustment if necessary will be made in step 10.
Roll up doors commercial door garage door overhead steel door roll up shed door and roll up barn door.
Insert the allen wrench or electric variable drill with 5 16 allen socket into the exposed.
To make sure you achieve the right tension adjust the spring by one hole at a time.
Model 650 750 tension device adjustment over a period of time it is possible for the springs to relax.