Questions & Answers for: liftmaster chain adjustment

Question about Chamberlain Garage Door Opener Transmitter 300MC

1 Answer

...chain? There are two white screws on the sides that adjust the limits. Adjust the "down" screw less. You should have to turn the screw 4 full turns for eight inches. After you make this adjustment, ...

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Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

Garage door chain is sagging Sears craftsman garage door - it opened but when we closed the door the chain is now sagging. If the chain is adjusted properly the chain will sag slightly on one side ...

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Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

how do I adjust the chain on Chamberlin 1/3hp The chain adjustment is on the trolley. Don't over tighten. Some slack is necessary.

Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

the chain The adjustment for the chain is on the trolley. That is the part the chain and the door are connected to. Your chain is sagging entirely too much. Have you done any other work to this opener

Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

new , just installed ; 3 feet from closing it stops. Does not reverse. I adjusted the up and down limits to no avail It sounds like your chain needs adjusting. Try this. Loosen the chain enough so ...

Question about Liftmaster, Chamberlain, Sears Door Bracket

1 Answer

...adjustment screws, but doesnt seem to work? is this a sensor problem ? You did not sync the chain correctly. If you have not touched the travel limits, take chain off sprocket and run door to either ...

Question about Chamberlain Garage Door Opener Transmitter 300MC

1 Answer

...chain screw adjustment I'm not sure what model of Stanley garage door opener we have, but it is for a double garage door, and is a chain driven opener. My husband has made adjustments to the screw ...

Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

Liftmaster professional mod. 1345. Have adjusted door balance, spring tension, new safety sensors (correctly aligned). With trolley disengaged from door the trolley will run approx. 8 - 10 inch. &

Question about Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

1 Answer

chain on a liftmaster There are adjusting nuts on the trolley. The chain should have a little slack. Do not overtighten. One side will always hang a little lower than the other. The lowest side should

...IF YES - replace the drive gear set. IF NO - lube & adjust the traveler / chain & door spring. The owners manual has a good diagnostic section - available at liftmaster.com Hope this ...

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