Repairing Chain Drive Garage Door Opener

If you re too far away this can cause a problem with opening or closing the door.

Repairing chain drive garage door opener.

Too little tension could cause the chain to skip off the sprocket and fall down on your car. Chain drive garage door openers have a sprocket that is attached at the top of the motor. How to put a chain back on an automatic garage door opener. Of slack from the rail to the chain check your manual.

Press the wall control button or remote so that the opener completes its close. Located along the rail the chain an. You may also need to reprogram your keypad or replace the batteries in it. This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener.

Your chain drive garage door opener is tasked with operating the largest moving part in your entire home with this type of responsibility you want to make sure that the opener will work consistently without any problems. Most chain drive openers suggest you tighten the chain so there s about 1 4 in. When problems do occur you should know how to fix them easily and quickly. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door.

You need to loosen the bolts located near the motor and squeeze the nut located on the opposite end to tighten the chain. The chain and cable assembly connects to the trolley and drives the trolley along the rail to raise and lower the door. If the chain and cable assembly breaks the door won t move. If your opener seems to overrun the switch and just keeps trying to pull the garage door up or down after it reaches the end of travel you might assume that it missed the.

Firstly check that you re using it within the range required for your opener. Replace the chain and cable assembly with the manufacturer approved replacement part. Also verify the antenna on the motor unit is in the proper placement. This diy repair guide explains how to replace the chain and cable assembly on a chain drive garage door opener.

Disengage the garage door from the opener by pulling down on the emergency pull cord to release the door trolley from the opener carriage. The adjustment bolt is held in place by nuts located on the sides of the assembly.