Adjusting Garage Door Opener Chain Tension

Adjustments on the chain are located at or near the master link where the chain engages with the cable graphic below left.

Adjusting garage door opener chain tension.

Loosen the adjuster three turns counterclockwise if the door raised without. Use the wrench to loosen the lock nuts and turn the adjustment nut to set the slack in the chain. Once the power is out give the emergency release rope a tug. Tighten the adjuster three full turns clockwise to add tension if the door closed and did not remain open halfway.

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Watch this video and see the professional at town country door llc demonstrates the. Replacement gear kit if you need one http amzn to 2drtdvc if you. You can then use your step ladder to look at the carriage assembly. Adjust the chain on a garage door opener with help from a garage door spec.

This should remove the opener connections from the garage door. The chain is a very important component that makes up a garage door opener system. The adjustment bolt a bolt with threads which the chain is connected to has a pair of adjusting nuts on either side of the assembly. Chain adjusts by shortening the chain itself.

Determine changes in slack by using a measuring tape to measure the distance between the middle of the chain and the roof. Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.