Todco Roll Up Door Spring Adjustment

Measure 10 coils and then 20 coils of the spring in the unwound state.

Todco roll up door spring adjustment. Before rolling the door into the tracks bring the cable ends to the top of the door and tape to the inside of top panel fig. Please read the safety and maintenance instructions on previous page. Todco doors sometimes referred to as todco doors or todco roll up doors or todco truck doors are the best on the market. 75 divided by 10 7 5 turns 3 turns 10 5 or 10 and one half turns.

Torsion spring for todco overhead door for truck doors. Drop in the top half of the door bolt end hinges and drive pins in center hinges to connect door halves. 5 the full length of the counterbalance spring. To determine the amount of winds on the counterbalance spring divide 10 into the door opening height in inches and add 3 turns.

Your todco roll up door will provide years of service if it is properly maintained. Run a chalk mark fig. Contact the todco customer serviceteam to find the best fit for your application. Todco makes plywood doors fiberglass doors aluminum doors aluminum clad doors and polycomposite doors for trucks cargo vans and truck trailers.

Genuine todco replacement parts should be used. Todco ramps known as todco rollaramps are available with spring assist to help drivers in and out of their delivery truck doors or trailer truck doors. Todco doors sometimes referred to as todco doors or todco roll up doors or todco truck doors are the best on the market. The counterbalance is one of the key strengths of a todco roll up door and not just because it provides the lift.

On 2 1 2 door installation insert the fasteners for the end hinges into the door bottom half. Please select the size above that meet the needs of your truck door part 51042 1 3 4 counterbalance spring with winding anchor plugs plugs aka cones wire size. The todco counterbalance is calibrated to the door s weight and size to ensure reliable smooth operation. This is how to loosen or tighten the tension on a roll up door.

Repairs and adjustments to the spring and counterbalance assembly cables or panels must be made by a trained service person.