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.
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.
The dbci exclusive tension set bracket is an innovative tool that accomplishes fast and safe adjustments.
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.
Carefully insert a winding bar or screwdriver into the ratchet tension device located on the left bracket.
Roll up doors commercial door garage door overhead steel door roll up shed door and roll up barn door.
This is how to loosen or tighten the tension on a roll up 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.
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.
Final adjustment if necessary will be made in step 10.
In this video chris shows you how to remove or add tension to trac rite roll up door springs.
If the door is hard to close but easy to open you will need to remove spring tension.
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.
Adjust both springs equally one at a time if your door was balanced.
That s just one small example of how the dbci makes a big difference.
The amount of tension required may vary slightly.
This is how to loosen or tighten the tension on a roll up door.
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.
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.
Adjusting metal roll up doors is a critical step in maintaining and prolonging the life of your metal door.