Repairing Chain Drive Garage Door Opener

Most chain drive openers suggest you tighten the chain so there s about 1 4 in.

Repairing chain drive garage door opener.

The chain and cable assembly connects to the trolley and drives the trolley along the rail to raise and lower the door. Over time the sprocket s teeth can wear and the chain may jump or skip when the opener raises the door. 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. Of slack from the rail to the chain check your manual.

Replace the chain and cable assembly with the manufacturer approved replacement part. This video from sears partsdirect shows 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. Firstly check that you re using it within the range required for your opener.

This diy repair guide explains how to replace the chain and cable assembly on a chain drive garage door opener. Also verify the antenna on the motor unit is in the proper placement. Located along the rail the chain an. Press the wall control button or remote so that the opener completes its close.

Over tightening the chain will put excess wear and tear on the shaft and gears. A chain drive garage door usually has two small switches on the top of the unit these are triggered when small rollers attached to the chain ride into the mechanism. How to put a chain back on an automatic garage door opener. In most types of carriage assemblies for door chain openers the adjustment bolt is located inside the carriage assembly.

You may also need to reprogram your keypad or replace the batteries in it. 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. When problems do occur you should know how to fix them easily and quickly. If you re too far away this can cause a problem with opening or closing the door.

Too little tension could cause the chain to skip off the sprocket and fall down on your car. If the chain and cable assembly breaks the door won t move.