Garage Door Main Gear Drive Replace

I replaced just the main gear with the sprocket and shaft assembly for 25 or so from a supplie.
Garage door main gear drive replace. The main drive gear sits in the gear housing and attached to the drive shaft. This is the plastic gear that comes in direct contact with the worm drive gear on the motor. My sears chain drive garage door opener s main gear is worn. Video overviews how to replace your garage door opener main drive gear on chamberlain sears craftsman and liftmaster garage door openers.
You press the garage door opener wall button and hear a subtle hum from your electric motor but the door failed to move. This main drive gear was used in many genie brand garage door openers. If your garage doors springs are intact chances are you garage door opener s main drive gear has failed. It s one of the most common garage door opener repair.
If you are in a bigger hurry you should be able to find a kit at a local garage door opener dealer. Replacing the main drive gear. Main drive gear only included. Chances are your main drive gear has bit the bullet.
Does your garage door opener make a grinding noise but doesn t move at all. Helical drive gear for the overhead door model 456 551 and 556 garage door openers. Located at the top of the motor unit the gear and sprocket assembly drives the chain that opens and closes the garage door. This diy repair guide explains how to replace the gear and sprocket assembly on a chain drive garage door opener.
Amazon and other online retailers carry many popular gear kits ranging in price from about 18 to 30. Kipa pack 3 drive gear for sears crafsman liftmaster chamberlain garage door openers 1984 up 41a2817 41c4220a 81b0045 drive gear 32 teeth bore size 1 2 durable top quality 4 7 out of 5 stars 14 9 75 9. Ang 20242wgrease drive gear with grease for sears crafsman liftmaster chamberlain garage door openers 1984 current 4 7 out of 5 stars 458 5 45 5. If the gear and sprocket assembly breaks the motor runs but the door won t move.
If you have determined the main drive gear in your operator needs replaced you can use this one to get it back up and running. Garage door opener repair 101.