There could be several issues preventing your door from lifting easily.
Garage door too heavy to lift manually.
I had a company came and replaced the spring once years ago and the guy must not have wound it to the correct amount.
Lift up the door halfway from the inside using one of the cross members.
I was thinking about taking a couple steel rods and adjust the torsion spring myself.
The result will be that the door will be too heavy to lift by yourself or the opener because a standard garage door opener is only designed to move the door with 10 pounds of pressure.
Close the garage door.
Unplug the power cord to the opener.
We recommend having a maintenance done to your garage door every 12 to 18 months.
For safety reasons don t try to solve the problem yourself.
Is your garage door hard to lift by hand.
Many doors we encounter do not have the proper size spring s installed.
If the spring is to small the door will be difficult to open if the spring is to large the door will be difficult.
Instead you want to lift with your lower body as if you are picking up a heavy box.
An unbalanced door can make the door difficult to raise manually and can cause damage to other components in the garage door system.
Consider updating the drums that guide the lifting cables.
So my 2 car garage door takes at least 30 50lb to lift manually.
Position a stepladder at the area of the automatic opener.
If your garage door spring is failing or broken it will not provide enough force to lift the garage door.
Raynor s new trubalance drums can provide 87 better balance throughout the full open close motion.
A properly balanced garage door weighs about 10 to 15 pounds which can easily be lifted with one hand.
If the door remains at the halfway position.
When the garage door spring is working properly a 200 pound door would feel weightless but when one or both springs break you will feel the weight when you work the door manually.
Usually a properly working garage door will roll open easily due to the torque in the springs but it is important to lift with your back straight up.
Pull the emergency cord on your door opener and gently lift your garage door.
If the spring is not the proper size the door will not be balanced.