If it is too slack it will slap around and could possibly slip off the main drive gear.
Craftsman garage door adjustments.
How to adjust a garage door to close completely.
This video details how to adjust the opener force and travel of the door.
Refer to the owner s manual to determine which is which.
At least that s the theory.
Craftsman openers are self diagnostic.
Most of these problems can be fixed with some troubleshooting steps and in this post you are going to learn how to troubleshoot a craftsman garage door opener.
Examine the chain on the door opener carefully.
The adjustment for the opener.
Adjust craftsman garage door opener up and down force with the knobs in the same way the limits were adjusted in step 1.
You ll never need to step outside to get your car in or out of the garage again.
Chain the last step of craftsman garage door opener adjustment.
Garage door openers make life convenient.