How To Adjust My Crafsman Garage Door Opener

Craftsman 139 30437 is a residential garage door opener.

How to adjust my crafsman garage door opener.

It has a timer to close feature which allows you to set the opener to automatically move your door down after a specified period of time. Plug another device into the outlet to make sure it is working. Step 1 adjust the limit. If circuits are tripped reset them.

To loosen the chain reverse the procedure. Step 2 adjust the force. Garage door opener garage door opener pdf manual download. Tighten the chain by turning the rear adjustment nut counterclockwise and the front adjusting nut clockwise.

How to troubleshoot the craftsman 1 2 hp garage door opener. This video details how to adjust the opener force and travel of the door. Locate the force adjustment dials. To open the door completely adjust.

1 2 hp 315mhz garage door opener for residential use only. Check the fuse box or circuit breakers. Step 3 adjust the safety reverse. Make sure the outlet has power.

Craftsman 139 30437 garage door opener troubleshooting. They can be found at the back panel of your craftsman garage door opener to increase the open force turn the open force dial about 1 4 of a full turn similarly to increase the close force turn the close force about 1 4 of a full turn operate your garage door. Adjust the garage door opener mechanism. Turn the adjustment screw on the limit clockwise if the door doesn t fully close.

Refer to the owner s manual to determine which is. View and download craftsman garage door opener owner s manual online. How to adjust a garage door opener. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.