Replacing Garage Door Opener Sprocket

Disconnect the power cord from your door opener before doing any kind of repair.

Replacing garage door opener sprocket.

This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. Garage door installation and replacement costs may vary according to style and size. Chain driven garage door openers should have some slack in the chain for optimal performance.

This home depot guide will explain the cost to install garage doors and openers or replace existing ones so you can decide which options are best for your budget. This was a craftsman model 139 53976srt. If you replace the sprocket assembly in your chain drive garage door opener yourself you may be able to save a lot of money. Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.

This is a video on how to change the gear sprockets in a craftsman garage door opener. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. Free returns are available for the shipping address you chose. Step 1 turn off the power.

If the gear and sprocket assembly breaks the motor runs but the door won t move. Check the manual for your specific model number before ordering to ensure compatibility. This gear and sprocket assembly is compatible with various chain drive garage door openers. 4 9 out of 5 stars 45 ratings.

Replacement gear and sprocket for liftmaster garage door openers 41c4220a brand. You can put the chain back on your automatic garage door opener using a simple adjustment mechanism. You can return the item for any reason in new and unused condition. Helical gear and top hat assembly worm gear wear bushings grease and hardware needed to replace the chain drive gears.

Chain drive garage door openers have a sprocket that is attached at the top of the motor. 025c0020 is a replacement screw drive sprocket coupling. The process isn t as hard as you may think so consider the guide below.