Commercial Roll Up Door Tension Adjustment

Apart from the overhead door brand cones most of the remaining commercial and industrial springs screw onto the cones and the ends of the spring wire are heated and bent to fit into a slot in the cones.

Commercial roll up door tension adjustment.

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. R 4 insulation is optional. Turn the adjustment screw clockwise to slow the closer down counter clockwise to speed it up. It enables experienced maintenance personnel to self adjust the door within minutes unlike the older roll up doors that lack tension adjusters and require a door technician to make any changes.

Galvanized primed and painted w 40 year paint warranty. Open the door and watch it close. Model 650 750 tension device adjustment over a period of time it is possible for the springs to relax. Final adjustment if necessary will be made in step 10.

Available in sizes up to 18 0 x 18 0 and in over 20 different standard colors. Remember when it comes to turning commercial door closer adjustment screws a little goes a long way. If it closes right the first time check it 10 more times. 26 gauge steel corrugated curtain.

Roll up door model 2500 features. Step 7 apply initial tension to the door springs 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. The 26 gauge corrugated door curtain is manufactured from full hard galvanized grade 80 steel and coated with super durable polyester paint that is backed by a 40 year film integrity and 25 year no fade limited paint warranty.

Start with no more than 1 8 of a turn. The amount of tension required may vary slightly. Coiling roll up doors made by janus international.