How to know the model number of Craftsman garage door openers. If you don't know the model number of your Craftsman garage door opener, here are the places to find them. Sides of the garage door opener. There is vital information written on the garage door opener itself. Look at all the sides of the garage door opener for the model number.. When wiring your craftsman garage door opener, safety should always be your primary concern.. One of the most important pieces of information you need when wiring your craftsman garage door opener is the wiring diagram. This diagram will provide you with step-by-step instructions on how to correctly wire the opener.. Craftsman 1395364812.
Craftsman takes safety seriously, and the Craftsman 3/4 Hp Belt Drive Garage Door Opener is equipped with advanced safety features to protect your family and property.. Safety Sensors: The system includes infrared safety sensors that detect obstacles in the door's path.If an object or person is detected, the door automatically reverses to avoid injury or damage.. View and Download Craftsman 139.5399 owner's manual online. 3/4 HP. 139.5399 garage door opener pdf manual download. Also for: 139.53990.. Page 23 MOUNTING AND WIRING THE SAFETY SENSORS • Slide a 1/4"-20x1/2" carriage bolt head into the slot on each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other.