How To Replace Belt On Craftsman Garage Door Opener

This is a video on how to change the gear sprockets in a craftsman garage door opener.

How to replace belt on craftsman garage door opener. Use a step ladder to access the garage door opener s power cord and motor unit. Install the new belt. 315 series 139 53939d is a residential garage door opener. I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the.

I have a 1 2 hp craftsman garage door opener that is about 20 years old. This gear kit on amazon. Craftsman 315 series 139 53939d garage door opener troubleshooting. The garage door opener uses a belt drive to move.

Https amzn to 2uwvnkj i m working on a chain drive opener. Recently the wall switch that powers opening and closing is not lit and will not activate the opener. This was a craftsman model 139 53976srt. As soon as you understand the problem you will be able to decide whether you can make craftsman garage door repair by yourself.

Unplug the garage door opener. Take the garage door opener down. If yours is a belt drive you need a kit like this https amzn to 2zqns. The model is powered by a 1 2 hp motor.