How To Replace Garage Door Opener Worm Gear

This is a video on how to change the gear sprockets in a craftsman garage door opener.

How to replace garage door opener worm gear.

So if you suddenly find that the motor on your garage door opener sounds like it s running but the door is not moving checking for worn gears is the first thing you should do. Garage door opener won t open all the way fix. If the gears break or strip the door won t move. For example i found an oem gears repair kit for my linear ld050 garage door opener sold by the manufacturer for less than 15 here this is an amazon affiliated link.

This complete gear kit includes. It included every serviceable part i could possibly need to this repair and even had the lubricating grease included. Genie garage door opener replacement door bracket 19792b 4 7 out of 5 stars 247 6 74 6. Position a work table near the area under your motor unit to hold the garage door opener during the repair.

Remove the fastener ring from the straight door arm connected to the outer trolley. 1 helical gear 1 worm gear 1 grease wear bushings and hardware needed to replace the gears. Place the new lubricated gear in the slot at the top of the opener and match its ridges with the ridges of the worm gear. Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast.

Pull the emergency release rope to release the trolley from the garage door. Shut the garage door if it s not already closed. This was a craftsman model 139 53976srt. The worm gear which attaches to the motor shaft meshes with the drive gear to spin the sprocket and drive the chain to open and close the garage door.

Shredded plastic gears are a common problem with chain driven garage door openers. Align the bolt hole with the cover hole on the top of the opener towards the back side closest to the door. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Replace a broken or damaged worm and drive gear with the manufacturer approved replacement part.

This drive gear and worm kit is compatible with most 1 2hp belt and chain drive garage door openers manufactured after 1993.