Perform routine maintenance once a month. Check the owner’s manual for the garage door maintenance. If you do not have a manual, look for the model number on the back of the door, or check the locking handle, hinges or other hardware for the manufacturer’s name and request a manufacturer’s manual.
Look at springs, cables, rollers, pulleys and other garage door maintenance accessories for signs of wear. Suspicious problems? Have a qualified person make repairs.
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Balance of Door
- Periodically test the balance of your door.
- Start with the door closed.
- If you have a garage door maintenance opener, use the release mechanism to operate the door by hand when doing this test.
- I should be able to lift the door gently, with little resistance. It should also remain open about three or four feet above the floor. If not, it is out of adjustment. Has a qualified service professional adjusted it?
Make sure your door opener has an investment function. If an investment characteristic is not present, the opener must be replaced.
Garage door maintenance openers manufactured after January 1, 1993, are required by federal law to have safety features that comply with the latest UL (Underwriters Laboratories) standards 325. Contact your manufacturer or installer for additional information.
Try The Investment Function Every Month.
- First, try the balance of the door. If your garage door maintenance is properly balanced, proceed.
- With the door fully open, place a piece of 1-1 / 2 “thick wood (one 2” X 4 “flat) on the floor near the center of the door.
- Press the transmitter or the wall button to close the door. The door should revert when the obstruction hits. (Note that the bottom of the “one-piece doors” must be rigid so that the door does not close, but inverts when it touches the obstruction).
- If the door does not reverse, have it repaired or replaced. Have a qualified technician adjust, repair or replace the opener or door.
Force Adjustment Test
Try setting the strength of your garage door maintenance by holding the bottom of the door when it closes. If the door does not reverse easily, the force configuration may be excessive and must be adjusted. Consult the owner’s manual on how to make the adjustment.
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Additional Security Devices
Many garage door maintenance openers are equipped with additional security, such as photo eyes or edge sensors, to protect against entrapment. Keep in mind that adding more safety devices will not cause an old opener to meet current UL standards. Make sure that additional safety devices are installed and adjusted correctly (see owner’s manual).
WARNING: the springs in the garage door maintenance are under high voltage. Only qualified people should adjust them.
The garage door maintenance springs, brackets, cables and other hardware attached to the springs are subject to very high tension and, if handled improperly, can cause injury. Only a qualified professional should adjust them, carefully following the manufacturer’s instructions.
Torsion springs (springs on the door) should only be adjusted by a professional garage door maintenance technician. Do not attempt to repair or adjust these springs yourself.
A cable or other device must be installed on the extension spring (the spring along the side of the door) as a backup if the spring breaks.
Never adjust, remove or loosen the screws on the lower door supports. These supports are under extreme tension and are connected to the springs.
Regularly lubricate the moving parts of the door, but do not lubricate the bearings of the plastic idler pulley. Lubricant specially designed for garage door maintenance parts is available in Overhead garage door maintenance showrooms. Consult the owner’s manual of the door to obtain the manufacturer’s recommendation.
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