BUSINESS

How to Repair a Garage Overhead Door

If your garage overhead door has become loose in it’s tracks or seems heavier to lift than it used to be, you may well be correct. Door hinges and rollers wear out over time and become sloppy. Adding grease may help for a short period but in the end you will have to replace some of the door parts. Basically there three types of hinges used. They are stamped #1, #2 and #3’s. When you look at your door you will notice that at the top and bottom are two roller brackets that are different from the rest of the hinges on the door listed above. The bottom roller bracket also has a protruding peg where the spring cable is attached. The top bracket projects further out from the door then the rest of the rollers to allow the door to when opened, immediately follow the curved section of the track without binding. A word of caution. Never remove the bottom bracket without first disconnecting the lift spring and cable when the door is open. If the cable is removed from the bottom roller bracket with the door closed, the spring will recoil with no control and can cause a serious injury.

Before removing any hinges, close the door and place two C-clamps or Vise grips in both tracks just at the top of the door to prevent any movement if the lift springs are still connected. overhead garage door repair You may by removing one hinge at a time (not the bottom roller bracket), replace each hinge one by one in the exact position where it was removed. Purchase roller grease made for overhead door rollers and apply a liberal amount of grease to each roller as it is installed. Remind yourself to do this once a year as maintenance.

Once all the hinges are replaced take a good look at the door itself to assure that all the panels are in sound condition, all glass is unbroken and any other bolts or screws at the lift or foot handles for example are in place and are tight. If the bottom weather seal is broken or missing, replace that as well. Finish the door with a new coat of paint it needs it.

Remove your c-clamps and raise the door to the full open position. This will take all the tension out of the lift springs. If you do not know what “weight” your door springs are, most springs are spray a painted color on one end. Red, yellow, white and so on. Each color indicates what weight door it should be used on. Wood doors are very heavy and usually use the heaviest spring available. Aluminum doors, the lightest springs and so on. Carefully remove one side of the door’s spring and cable. Check the cable pulley to assure it is not split or worn. Replace the spring, pulley and cable in the exact same manner in which is was removed. If in doubt, look at the one you have not removed as yet. Once both springs are replaced operate the door a number of times placing some extra grease in the tracks for the rollers to spread.

Your garage door should by much quieter to operate and much easier to lift and close. If you intend to install an electric garage door opener, these maintenance items are a must before you do the installation.

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