Questions & Answers for: adjust chain liftmaster

adjust the chain to move it back about 8-12 inches so the piece on the garage door can latch to the piece on the chain? There are two white screws on the sides that adjust the limits. Adjust the "down

...chain will sag slightly on one side when the door is closed and on the other side when it is open. It should not sag enough that it is dragging on the T-rail. You can adjust it at the trolley. If you ...

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.

...it up and noticed the chain was sagging about a foot below the bar how dow I tighten the chain The adjustment for the chain is on the trolley. That is the part the chain and the door are connected

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 ...

...open fully and the trolley travels to far back,which causes the bar to bend Ive tried the travel adjustment screws, but doesnt seem to work? is this a sensor problem ? You did not sync the chain ...

Stanley garage door opener 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 ...

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. &

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 ...