News Archives - DDM Garage Doors Blog

How to Counterbalance a Bi-fold Hangar Door

Saturday, May 7th, 2022 at 9:40 am by Liz Dzik

Usually, you can find large bi-fold hangar doors at airports or specialty production shops. We get requests for torsion spring hardware to counterbalance smaller bi-fold doors from time to time.

A view of a bi-fold hangar door that is partially open.

On bi-fold doors, the top of the door is hinged and secured to the outside top of the opening.…

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Customer Support Help Wanted

Saturday, January 22nd, 2022 at 11:45 am by Dan Musick

DDM Garage Doors is an excellent company, not because we pursue excellence, but because we pursue God and His infinite perfection. Because we value God above everything, we value others: employees, customers, suppliers. God has entrusted the stewardship of this business to us in all of our imperfections to demonstrate His presence in the business as we daily draw on His power to shape us into His image.…

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Allister, Allstar & Raynor Sprockets

Monday, November 8th, 2021 at 12:53 pm by Dan Musick

The old Allister and Allstar openers use two black sprockets. The one above the motorhead moves to activate the limit switches as the limit dogs reach their shut-off points.

Allstar Model 6500 Garage Door Opener

The one above the door acts as an idler.…

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Counter Wiring for A LiftMaster Operator

Friday, December 18th, 2020 at 5:55 pm by Dan Musick

An operator counter tracks door cycles: one opening plus one closing equals one cycle. To track the usage of a door, counters are often installed on the operators.

An image of  a LiftMaster operator with an external counter showing 196,491 cycles.
This 24-volt counter shows that the operator has cycled 196,491 times.

One of the more common reasons to track door cycles is to schedule maintenance before repairs are needed.…

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How to Adjust a LiftMaster Motor So the Belt Fits

Friday, December 11th, 2020 at 6:33 pm by Dan Musick

Customers sometimes ask if they can substitute a different v-belt for their operator. In this video, we demonstrate how to adjust a LiftMaster motor, so the belt fits properly, even if it is a different length.

If a v-belt is too tight or too loose, you can adjust the motor to get the proper fit.


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How to Replace V Belts on LiftMaster Operators

Friday, December 4th, 2020 at 6:39 pm by Dan Musick

In this video, we demonstrate how to replace V-Belts on LiftMaster operators.

There is a safe and easy way to replace operator V-Belts.

For safety, unplug the power to the operator and pry off the belt with a large screwdriver.…

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LiftMaster Model J Drive Components

Friday, November 6th, 2020 at 6:46 pm by Dan Musick

One of the more common LiftMaster Operators is the jackshaft operator. How does the torque get from the motor to the counterbalance shaft of the sectional overhead type door? In this video, we trace the torque as it moves through the LiftMaster Model J drive components.…

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How to Replace a LiftMaster Logic 5 Control Board

Friday, October 30th, 2020 at 4:35 pm by Dan Musick
Simple Instructions for How to Replace a LiftMaster Logic 5 Control Board
  1. Check to assure you ordered the correct logic board.
  2. Unplug the power to the operator or turn off the power at the circuit breaker.
  3. Loosen the screws and open the cover.


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Troubleshooting LiftMaster Operator Error Codes

Friday, October 23rd, 2020 at 4:57 pm by Dan Musick

Engineers at the Chamberlain Group have designed their LiftMaster operators with error codes that reduce the time required to troubleshoot and repair equipment.

Operator product manuals cover a variety of error codes. In our video, we cover the four major problems that occur in an estimated 80% of operator failures.…

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Troubleshooting Photo Eyes on a LiftMaster Operator

Friday, October 2nd, 2020 at 5:36 pm by Dan Musick

Often when a garage door will open but not close, the cause is a misaligned eye or a broken wire. On residential doors with LiftMaster openers, the quickest test is to check the eyes on both sides. If both lights are on, the eyes should be performing correctly.…

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Unmatched Support. The Right Part. DIY with Confidence!

CUSTOMER SUPPORT HELP WANTED

Huge inventory of parts and torsion springs for same or next day shipping! 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. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" commercial and industrial springs may require an week to ship; other springs may require three to four weeks to process.

COVID update. No mask, no service! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.

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.