Question: how to change garage door opener sprocket?
Answer: Disconnect power. [00:31], Take the garage door opener down. [00:37], Remove the chain and cable assembly. [01:47], Remove the gear and sprocket assembly. [02:07], Install the new gear and sprocket assembly sears! [02:38], Reinstall the chain and cable assembly. [03:25], Tighten the chain and cable assembly. [03:47], Reinstall the garage door opener. [03:59]