This is the largest piece of the opener and it will be positioned furthest from the garage door.
How do you attach a garage door chain.
This is great if your garage door is near a living area like a living room or bedroom.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Once that s done you can move the whole door back manually.
You simply pull back on the emergency cord and it disengages.
Grasp the chain 1 foot from where it connects to the end of the threaded chain anchor.
Pulling back a second time does.
The first key is that you have to open your garage door.
Attach the straps to the power unit with the hardware provided.
Located along the rail the chain an.
Trying to reengage your garage door opener with the door closed doesn t work.
The trolley is responsible for pushing or pulling the opener arm along the chain so as to open and close the garage door.
Now you re ready to re attach the door in four easy steps.
Make sure the chain does not hang or is too tight too.
If you are in the market for a new garage door opener you might consider upgrading to a belt driven garage door opener.
Belt driven openers are a little more expensive but are much quieter.
Attach the rail to the motor compartment.
This video from sears partsdirect shows how to replace the chain and cable assembly on a chain drive garage door opener.
Tightening your garage door chain is a simple matter of turning the right nut.
Press down on the chain with your finger.
There is a threaded eye bolt that can be adjusted to get enough slack to attach the chain.
This short video goes along with one of our blogs on the d d garage door website.
Make sure the chain and motor are in the sane position.
Next up is reattaching the gear to the track.
Belt driven garage door openers also tend to last longer than chain.
If you have ever needed to disconnect the opener from the door due to pow.
The one you re looking for is attached to a bolt found at the spot where the trolley or carriage connects to the rail.
Ie if the motor has just turned to close the door make sure the chain trolley is in the closed door position vise versa for up.
Attach the straps to the irons with hex head screws.
Just pull the red cord straight down to disengage the door from the opener.
Pull the chain toward the garage door and hold it in position.
Test opening the garage door several times to make sure it clears the opener.
Then feed the belt or chain through the end of the rail around the pulley then around the other end at the motor.
When you disengage it it s easy and obvious.
You should have 1 2 inch of play in the chain.
