Tighten the bolts on.
Garage door chain stretched.
First the chain tends to loosen somewhat over time.
Slide the pulley toward the garage door until the chain is stretched tight then move it toward the motor until the middle of the chain touches the upper side of the chain arm.
The screw drive garage door opener mechanism offers two distinct advantages over the chain drive system.
Every year inspect your chain to see if it has loosened up.
Garage door opener forces are not high enough to cause that.
This guide will teach you how to adjust an uneven garage door to keep it running safely and smoothly.
Accessories and parts 17 garage door opener chain kits 17 parts 17 apply.
This type of chain is similar to a bike chain.
An out of balance garage door can close too quickly creating a potential hazard for kids and pets and placing unnecessary strain on the door s parts.
Chain adjusts by shortening the chain itself.
You should be able to tighten the chain by tightening the limit screw.
There are only a few ways that the chain can be tightened.
Use the chain kits with a number of our garage door openers.
A sagging chain is a result of normal usage of the garage door opener.
Chain kit 10 44 53.
Make sure that the chain does not get over stretched because it may snap if that happens.
Both adjustment types should be done with the door closed and disconnected from the opener using the emergency release.
When you have removed the slack in the chain replace the garage door opener connections and reconnect the garage door opener to the power source.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.
Now tighten the other bolt in the same way.
How to adjust garage door tension.
Eventually it could fall off and keep the door from opening and closing.
As brought to my attention by one or our visitors ken f the chain doesn t actually stretch.
Over time it can stretch out and become less effective.
As you tighten the bolts the chain will tighten as well.
Chain kit 12 ats211.
