Garage Door Opener Repair and Troubleshoting - The Family …
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Web ResultMay 24, 2019 · No matter what type of garage door opener you have, you should always lube the rail where it comes in contact with the trolley carriage. Use a lubricant that doesn’t attract dirt. Silicone spray is a good choice. If you have a screw-drive opener, you’ll need to grease several spots along the rail gear at least once …
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