Garage Door Drive Gear Repair

This was a craftsman model 139 53976srt.

Garage door drive gear repair.

It s one of the most common garage door opener repair problems there is. Because craftsman parts are made by the. Chances are your main drive gear has bit the bullet. 41c4220a liftmaster chain drive gear and sprocket 26 24 24.

Insert the gear and sprocket assembly into the motor unit and install the mounting screws. Push the helical gear onto the gear and sprocket assembly shaft and secure it with the retaining clip. You ll need to get a replacement gear set. 41a5034 safety sensor kit 2 31 55.

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 37 9 75 9. Several components will need to be removed to get at the gear. This is a video on how to change the gear sprockets in a craftsman garage door opener. This is the plastic gear that comes in direct contact with the worm drive gear on the motor.

With the gears back in place tighten the chain as directed in your owner s manual. Apply grease to the helical gear. Put a thin layer of the grease included in the kit on the gear. Regardless of what you need you can find it from sears partsdirect.

Pull the torsion shaft out of the end bracket remove the cable drum then remove the spring. Leave the plastic bushing. Reinstall the motor unit cover and secure it with the mounting screws. It can be a complicated repair but not impossible to do yourself.

When attempting to repair your garage door opener you re going to need the right parts. Garage door opener chain idler pulley if the chain idler pulley is broken then you may start to see your chain get off track. Sears partsdirect has the garage door parts you need. Buy sears craftsman garage door opener parts at garage door supply company and enjoy free technical support from the pros.