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A chain-driven opener is probably the least expensive garage door opener that you can buy. In this type of garage door opener, the motor pulls on a chain that is attached to a bar that pulls the garage door up and down. This is the same as a belt opener, however, in this case it is a chain. Chain driven garage door openers range in price from $130-$180.
If the opener doesn’t run when you touch the wires at the opener, use a small wire and jump those same two wires at the opener terminal. If the opener runs, the wire that connects the opener to the switch is bad. Sometimes the staples that hold the wire to the wall pinch the wire, causing a short. Install 18- to 22-gauge wire as part of the garage door repair.
Lower the door and dismantle it by removing the hardware. Lower a double door by recruiting at least two helpers to help with the weight, and place a 2×4 block under the door to prevent smashing a foot or finger when it’s lowered. Remove the sections one at a time by disconnecting the rollers and brackets. If you have windows, tape them to help control flying shards if they break. Then remove the old roller tracks and remaining hardware.
Good response time and service; Question - I googled to find the Sears Garage Door repair phone number. During the conversation, I was unsure if this was "Sears" or a "contractor service" or other service. I had to ask if this repair person was coming from "Sears" or an independent repair. I was concerned until the service man arrived in a sears truck wearing Sears apparel. You might want the process to be more clearly identified as Sears.
The Chain Drive Rail Extension Kit for 10'-High The Chain Drive Rail Extension Kit for 10'-High Garage Doors is required for reliable everyday operation of Chamberlain chain drive models in 10-ft. garage door applications. Featuring a quick-install extension rail and replacement chain the kit includes everything needed for quick and easy installation. Includes one-year warranty rail extension replacement ...  More + Product Details Close
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