Box Truck Roll Up Door Spring Tension

Hold the door in place.

Box truck roll up door spring tension.

Run a chalk mark fig. For a hot door that needs tension removed place the curtain in a fully open position. Shop for truck door parts such as truck door tracks truck door rollers carriage step bolts keps nuts roadside and curbside cable drums truck door spring anchor brackets truck door assembled cables truck door bearings truck door hinges truck door cable brackets truck door top fixtures truck door top fixtures truck door security locks and lock catch boxes pull straps and pull strap. With the door in the open position simply insert a standard 5 16 allen wrench into the exposed.

A door that is hard to close but easy to open requires a decrease in spring tension. Place a 1 2 diameter x 18 winding bar in the hole in the spring winding plug. Whiting developed the first practical overhead roll up door for trucks and trailers in 1953. Todco is the world leader in innovation and manufacturing of overhead roll up doors swing doors roll up shutter doors and walk ramps with spring assist for every size and model of truck body and trailer.

Remove the spring hook and adjust the tension. Incorrect tension can also make the door more difficult to control. As mentioned following the manufacturer s instructions for tensioning commercial roll up door springs is vital. Release spring tension as follows.

Carefully insert a winding bar or screwdriver into the ratchet tension device located on the left bracket. Make sure cables are attached to door and cable drums that. Star door parts offers a full line of todco truck door parts and accessories. 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.

5 the full length of the counterbalance spring. With the door closed bring the roadside cable up between the drum and the header. Over turning the door spring. 1 hardware box fasteners rollers cables catch box and top fixtures.

Wind the spring by lifting up the bar. Use locking pliers or a c clamp under the bottom rollers to prevent the door from rolling down. With the bracket found exclusively at dbci fast and safe adjustments can be accomplished with ease. Today whiting remains the world s leading designer and supplier.

If the spring is over tensioned by turning the door more than the manufacturer recommends the spring could break. Subsequently question is how do you adjust the tension on a roll up garage door.