Pre installation checks a sectional overhead door is designed to be fitted behind the opening so the following dimensions need to be checked before fully unpacking the door for installation.
How to install a sectional garage door motor.
Garage door openers will have a screw or belt driven openers or chain openers that make more noise but are easier to repair.
Average weight double doors or heavier single doors may require 1 2 h p.
First you need to release the springs.
For doors with torsion springs located over the door spend the 50 or so to have a garage door professional release the tension.
Torsion springs mount on a bar above the door while extension springs stretch down the side of the upper tracks.
Motors while larger doors like those for two car garages may require anywhere between 3 4 to 1 h p.
Knowing garage door clearance requirements will help you avoid ordering the wrong garage door set up for your needs.
After your new door is installed remove the old stop material on the outside of the door and replace it with the type that has a rubber weatherstrip gasket available at home centers.
Next part 2 2.
Sectional door installation guide 6 of 20 section 1.
Once the replacement sectional garage door arrives you need to remove the old door.
This is done by inserting the inch rods through the holes in the torsion spring cone on top.
Check that the panels supplied overlap the daylight opening width by 25 35mm each.
Sectional garage door indsordoorsconz installation instructions safety checklist there are many potential hazards associated with sectional garage door installation.