How To Adjust My Crafsman Garage Door Opener

Make sure the outlet has power.

How to adjust my crafsman garage door opener. 1 2 hp 315mhz garage door opener for residential use only. Plug another device into the outlet to make sure it is working. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. To adjust craftsman garage door opener with regulating the chain you will need 9 16 inch wrench to apply for moving the adjusting nuts.

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. If circuits are tripped reset them. Step 2 adjust the force.

Refer to the owner s manual to determine which is. To loosen the chain reverse the procedure. Turn the adjustment screw on the limit clockwise if the door doesn t fully close. View and download craftsman garage door opener owner s manual online.

How to adjust a garage door opener. Craftsman 139 30437 is a residential garage door opener. Step 1 adjust the limit. 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.

Garage door opener garage door opener pdf manual download. Adjust the garage door opener mechanism. 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. To open the door completely adjust.

Check the fuse box or circuit breakers. Locate the force adjustment dials. If fuses are blown replace them. This video details how to adjust the opener force and travel of the door.