If you can t raise and lower the door normally by hand do not install the opener until the door is repaired.
Proper door arm angle on garage door.
See the section in your manual titled position the opener when the door is fully opened the opener rail should be max 2 above the edge of the top section.
That will cause the jerky noisy operation when you close the door.
Keeps the garage door balanced and stable as it opens and closes.
More buying choices 9900 2 new offers.
If the rail is shortened so it can be mounted vertically then the door geometrically opens gently and closes gently.
Think of the physics.
A solid steel handle of a tool that helps carry over the torsion springs lifting force to the cable drums and lifting cables.
Elastic spring that exerts a torque or rotary force when twisted.
Learn to install garage door openers with this illustrative project guide from the home depot.
If i extend the arm the rail bows even more before the door fully closes.
Make sure your garage door is well lubricated and operating properly.
If i extend the arm the rail bows even more before the door fully closes.
Prepare your garage door for opener installation.
Supports the top section of a garage door.
I think the angle is not right.
Shortening the arm even though it is reattached higher on the door will force you to relocate where you attach the arm to the chain or whatever it is on the overhead track by moving that point closer to the door front of the garage which will result in a steeper angle on the arm i e it should be closer to straight up and down than angled.
I ve tried everything extending the arm readjust the garage opener level.
Most garage door openers feature a carriage that runs on a rail or along a tube from a motor to the front of the garage and an arm connects the carriage to the garage door.
The arm that comes with the kit is too short i m only able to connect the straight and the curve arms using two consecutive bolts.
Garage door openers must be installed properly to ensure the mechanism fits to specifications and operates safely.
I think the angle is not right.
However verify the door opener can still pass the.
Go to your local home improvement store and buy some angle iron and lower the power head.
The weight of a garage door is supported by the door springs cables and pulleys not the opener.
Putting much less wear and tear on your door and opener.