Technical Support Archives - DDM Garage Doors Blog

Commercial Door Operator Safety Systems

Friday, August 21st, 2020 at 5:53 pm by Dan Musick

Commercial door operator manufacturers have designed three standard safety systems.

First is the mechanical clutch that slips when the door is obstructed.

An image of the interior of a LiftMaster commercial door operator.
A spring-loaded pulley, pressure plate, and disc stop the travel of the operator if the door is obstructed.

The second design is the eye sensor system.…

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Garage Door Shaft Doesn’t Slide

Friday, January 10th, 2020 at 6:22 pm by Dan Musick

Back in 2012, we posted our YouTube video on “How To Replace Garage Door Torsion Springs.” Ideally, we wanted to follow up with information on how to approach circumstances that could arise from improper installation, such as the garage door shaft not sliding.…

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My Toughest Torsion Spring Replacement

Friday, January 3rd, 2020 at 5:59 pm by Dan Musick
Image of a broken torsion spring on an overhead door.
Broken Sectional Overhead Door Torsion Spring.

For the professional replacing torsion springs can take anywhere from 20 minutes on a residential garage door to an entire day on a commercial or industrial sectional overhead type door. My job was far more complicated than the basic residential garage door since it was replacing springs on a sectional high lift overhead door, making it the toughest torsion spring replacement.…

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Clopay Door Identification

Friday, May 10th, 2019 at 4:49 pm by Dan Musick

In our blog titled “How to Identify Doors by Model Number, Serial Number, and PID Numbers” we showed how to identify Clopay garage doors. However, even with our helpful tips, we realize that the labels can be challenging to read.…

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How to Remove a Steel Rolling Door

Friday, March 29th, 2019 at 4:32 pm by Dan Musick
Two professional servicemen standing on ladders in the process of a steel rolling door removal.
Steel Rolling Door Removal

In the Commercial and Industrial Industries, you will commonly encounter steel rolling doors. At times there will be a necessity to remove a steel rolling door. These instructions are for smaller rolling doors less than 16 feet wide and 14 feet high.…

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How to Install a Steel Rolling Door

Friday, March 22nd, 2019 at 10:40 am by Dan Musick
A view of an installed steel rolling door.
Steel Rolling Door

This tutorial will provide step by step instructions on how to install a steel rolling door.

Getting Started

  1. To begin with, check to confirm you received all the parts necessary to successfully install a steel rolling door.

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How to Replace Steel Rolling Door Springs

Monday, March 18th, 2019 at 4:25 pm by Dan Musick
A view of the barrel of a steel rolling door being supported by a crane in order to replace steel rolling door springs.

With everyday use, springs on a steel rolling door will eventually wear and break. This tutorial provides step by step instructions on how to replace steel rolling door springs.  

Removing the door

  1. Close the steel rolling door that requires its spring(s) replaced.

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Intangible Tools For Residential Garage Door Repair, Part 2

Friday, December 21st, 2018 at 4:28 pm by Dan Musick

Picking up where we left off ... Let us examine some additional questions. These can answer whether you have the intangible tools needed for residential garage door repair. If you would like to read the first blog, it is titled, Intangible Tools For Residential Garage Door Repair, Part 1.”

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Intangible Tools For Residential Garage Door Repair, Part 1

Friday, December 14th, 2018 at 9:49 am by Dan Musick
View of a white residential garage door.

When you view a garage door going up or down, you likely survey the largest moving parts in a home’s structure. As such, it requires many sub-parts. And these wear out due to the law of Entropy, or whatever you call it.…

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Extension Spring Tandem Yokes

Friday, December 7th, 2018 at 3:51 pm by Dan Musick
View of tandem yoke plate connecting two springs.

Extension spring tandem yokes allow for a total four springs on an extension spring system. They are a good alternative for heavier doors. Using four smaller springs will often save on the cost as well. Above is our tandem yoke plate for lighter doors that weigh less than 250 pounds.…

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Unmatched Support. The Right Part. DIY with Confidence!

YES, WE'RE OPEN FOR BUSINESS!Due to the Coronavirus and the Delta varation, we have changed our local order pickup policy at our West Chicago location. To pick up an order you will need to order first. The quickest way to do this is through our online shopping cart. There you can select the local pickup option. Or, you can call 630-293-1337 for assistance and to place your order. When ready, we will call you and your parts will be available for pickup in the front entrance on the north side of the building. Longer items will be picked up on the south side loading dock. Please do not arrive until you have been notified that your order is ready.

COVID / DELTA VARIANT UPDATE! NO MASK, NO SERVICE! When picking up parts please wear a mask. If you don't bring one we'll gladly provide one. Please honor the six foot social distancing rule to protect yourself and our employees. Thank you for your patience and understanding as we all navigate this challenge together. More information is available on our blog titled DDM Adjusts to the COVID-19 Coronavirus. In the same article you will also find documentation and an answer to the question: "Is a garage door repair company a life sustaining business?"

PLEASE NOTE: COVID has interrupted global supply distribution chains resulting in unprecedented delays on incoming door and dock industry products. The result is limited availability of many products, three month delays on incoming shipments, and an inflationary rate of over 50% just this year on many of our products.


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