They are either at the back or the sides of the device based on the opener model.
How to adjust craftsman garage door opener speed.
Set up a stepladder under the opener and climb until you can easily access the mechanism.
Press the adjustment button until the up button begin to flash and or a beep is heard.
If it still gets to a certain point and reverses you may be able to adjust the down force.
Check the setting of opener speed.
If the door seems to be binding try lubing the tracks.
Press the tabs on either side of the access panel on the opener and tilt up or down to remove the panel.
It s often just a little piece of wire hanging down.
How to adjust a garage door opener.
Like the fm antenna you have on a radio it can benefit from being wiggled a bit.
Adjust the antenna on the garage door opener motor.
Tighten the chain by turning the rear adjustment nut counterclockwise and the front adjusting nut clockwise.
Change the angle and try the opener again.
Most new garage door.
To open the door completely adjust.
Step 1 adjust the limit.
Once you have the door working fine reconnect the opener and check the operation.
This will usually cure the problem.
Then operate the door to ensure smooth operation.
To do that you need to disengage the door from the opener.
Step 2 adjust the force.
To loosen the chain reverse the procedure.
Step 3 adjust the safety reverse.
To adjust craftsman garage door opener with regulating the chain you will need 9 16 inch wrench to apply for moving the adjusting nuts.
This video details how to adjust the opener force and travel of the door.
Turn the adjustment screw on the limit clockwise if the door doesn t fully close.