I had a company came and replaced the spring once years ago and the guy must not have wound it to the correct amount.
Garage door heavy to lift.
If you have a large garage door with windows and other heavy features such as insulation you may already know that it can be hard to lift by hand.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
So my 2 car garage door takes at least 30 50lb to lift manually.
Keep the garage door opener disconnected from power.
The most important thing you can do for your garage door no matter the size and weight is to use the appropriate size springs.
Borrow one from a neighbor if you don t already have one or don t want to buy one.
A one horsepower opener can easily lift approximately 400 pounds.
A perfectly balanced door with the proper sized spring s will be.
If the spring is to small the door will be difficult to open if the spring is to large the.
That is particularly true if the garage door drums and springs aren t the right type and adjusted properly.
A properly balanced garage door weighs about 10 to 15 pounds which can easily be lifted with one hand.
If the tension is too loose the springs that help lift the door are ineffective and the weight of.
This is the best way.
If the door is heavier it is highly.
I was thinking about taking a couple steel rods and adjust the torsion spring myself.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
A 1 2 horsepower garage door opener can lift approximately 300 pounds which is the average weight of a two car steel door.
Never use screwdrivers pin punches or pliers handles to wind or unwind a torsion spring.
All springs are made to lift certain size doors.
Pull the emergency cord on your door opener and gently lift your garage door.
Tips for finding the best heavy duty garage springs.
Door will be difficult to close.
Position your ladder to the side of the spring ends so you re never directly in front of the spring cones when they re.
It sounds to me like you shouldn t have to lift the door if you re just replacing cables and extension springs.
For safety reasons don t try to solve the problem yourself.
There could be several issues preventing your door from lifting easily.
But if you insist on lifting the door anyway you could try a farmer s jack sometimes called a hy lift jack.
You need proper tension on a garage door to operate the door by hand or with an automatic opener.