In this video, Dan explains how to take apart and then put back together a Serco dock leveler hold down unit.
To take apart and rebuild a Serco hold down unit, you will need 9/16″ and 3/4″ wrenches, as well as an adjustable wrench.…
Read the rest of this entry »
When a garage door has been damaged, often only one or two sections need replacing. In this video, Dan demonstrates how to replace a single section of a garage door.
You will need come-alongs and at least three vise grips, as well as more common equipment like a ladder and power drill.…
Read the rest of this entry »
In this tutorial, Dan explains how to install the new DDM Safe-T-Winder™. The Safe-T-Winder™ is a new type of winder that winds standard torsion springs without the use of winding bars, by turning the end of the shaft. A power drill is all you need.…
Read the rest of this entry »
In this video, we explain how to wind Spring King spring systems, also known as Simple Set spring systems. These winders are no longer in stock, since they have been discontinued by the manufacturer.
Spring King systems work by stretching the torsion spring before winding.…
Read the rest of this entry »
If you are a garage door contractor who needs to set the clutch on a long row of doors with jackshaft operators, it is important to have a consistent method of adjusting them. This will avoid the extra time required to test, set, and retest each door.…
Read the rest of this entry »
In this blog post, we walk you through how to lubricate the new DDM Torsion Spring Safe-T-Winder™. As well as the winder and lubricant, you will need a power drill, a screwdriver, and something or someone to hold the winder.…
Read the rest of this entry »
In this video, we use a LiftMaster operator to demonstrate how to replace the clutch on a commercial jackshaft operator.
Commercial Operator Clutches are one of the safety devices that operator manufacturers use to keep their doors from causing injuries or damage. The clutch will slip, which keeps the operator from forcing the door open or shut if something is obstructing it.…
Read the rest of this entry »
The DDM Torsion Spring Safe-T-Winder™ uses an ordinary drill to wind garage door torsion springs. Now you can wind torsion springs safely without winding bars!
Historically, winding torsion springs has been one of the riskier aspects of garage door maintenance.…
Read the rest of this entry »
Limit switches are used to keep the garage door opener from trying to open a garage door that is already open, or trying to close a door that is already closed. Throughout the history of garage doors, engineers have come up with a wide variety of limit switch designs.…
Read the rest of this entry »
Huge inventory of American-Made torsion springs for same or next day shipping! Our springs have proven reliability over three generations of manufacturing. Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.
Shelves packed with every part you need to fix your doors.
COVID update. Because we care! When picking up parts please wear a mask or keep a distance of six feet.
Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.
