Questions & Answers for: liftmaster sprocket supply

...why would you replace the "rack?" the carriage rides on the rack. check for worn drive gear or

and forth on track. if this is a chain drive,is the chain so loose that the chain is jumping on the sprocket? this would cause a lot of noise. if this is the problem just tighten the chain

How do I change the gear and sprocket assembly on a garage opener liftmaster 41C4220A? THE INSTRUCTIONS COME IN THE KIT. BUY THE COMPLETE KIT THAT COMES WITH A NEW SHAFT & BUSHINGS. NOT A BAD DIY ...

...would get a ladder and take a look. Be careful, things are moving up there. Maybe the drive pulley/sprocket came loose from the

...I do? If the motor is spinning but the chain is not, then there is probably a bad gear before the sprocket. You need to decide the type of gear kit you need.

...luck. I unplugged. Its a 1/3 model about ten yrs old. Thanks for any ideas! Look at the drive moter sprocket to make sure that it is properly locked to the drive shaft. they sometime have a set screw ...

Just replaced gear/sprocket and worm gear in lift master 1/2hp Pro...the door doesn't open/close fully Just replaced gear/sprocket and worm gear in lift master 1/2hp Pro, now the door opens up a ...

garage door opener chain has jumped on the sprocket and jammed Working on a garage door opener with the power connected is a very dangerious undertaking, unplug it first. Pull the plug, and release ...

I replaced the screw sprocket coupler and the door doesn't close all the way. If it's just off a little you can adjust the limits. If it's off alot you need to take the gear set back out and set the ...

Liftmaster 1245LM, gear and sprocket? Need nylon gear. Hi...go to this website to identify your part. LiftMaster 1265LM Security Plus Garage Door Opener Parts