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. 
									
	
		
	
																	A properly balanced garage door is less likely to crush someone or something and keeps your door opener from working too hard. 
																	To know how to balance a garage door first disengage the opener from the door by pulling the opener release handle see opening photo. 
																	This was done because i was informed by the garage door company that it was not a way to add a garage door opener to my doors but here is the evidence. 
																	Then lower the door about halfway.