Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ "gear keeps" Questions

...gear keeps eating the drive shaft nylon gear. I have replaced the shaft/gear assembly and motor shaft bearings in addition to adjusting both the lift and force settings. Why does it keep doing this? ...

...gear on my Craftsman Garage Doormodel 139.533SRT keeps stripping the teeth off of it. I have replaced it twice now. Once replaced it works for a couple of months and then strips again. Any advise to ...

...keeps running but the chain doesn't move the door. Sounds like the gears might be out of the operator. If you can remove the cover see if there are white shavings in the cover. A Craftsman operator ...

5BWS-A372U. Any suggestion on how to fix or if the company will stand behind it? Likely the plastic gears are worn out. Unplug the unit from power source, remove the cover, look at the gears. If worn,

...keeps flying off on my craftsman garage door opner model 139.53648srt1 This sometimes happens after changing a drive gear. If this is the case follow the instructions below. You probably did not have ...

...just keeps doing it. Is it time to toss it or is it something that can be fixed? It's a 1/3 HP. Thanks very much. you need to replace gear when the door is fully closed. then do your

...keeps running without any further movement in door until it is turned off. You need to remove the cover from the motor unit and check the drive gear. It is a white nylon gear just in front of the ...

i have replaced the worm gear assemble twice in my craftsman 1/2 hp garage door. what am i doing wrong. why does it keep turning to dust Use that small tube of grease in the kit and smother the gear ...

...gear. Now the door keeps going down and doesn;t stop. Same going up. It hits the unit. I can't seem to control the travel knobs on the side. Any ideas. It sounds like the wires may be off the ...

...gear , you can order those off of ebay pretty cheaply. You'll need screwdrivers and probably some wrenches to get things apart and install the new gears, you'll also need to use lithium grease on the ...