This is generally easy to do as it goes in behind the railing system of the garage door opener.
Homemade roll up garage door opener.
When installing a new garage door opener you will need to do what is called fit the motor assembly.
Today i m going to show you how to take your existing conventional garage door opener and convert it to a jackshaft style garage door opener for under 100.
A properly balanced garage door is less likely to crush someone or something and keeps your door opener from working too hard.
Then lower the door about halfway.