WARNING - Springs are under high tension. Only qualified persons should adjust them.
Quadruple Facts on a Garage Door
- Using three springs make sense on the heavier doors because when one springs breaks then you only have to lift up 1/4th of the door weight.
- Because of the weight of the garage door ADM Garage Doors recommends changing the bearings on the end bearing plates when you change the springs.
- ADM Garage Doors recommends servicing this door at least once a year to ensure everything is working correctly