How to repair a garage door

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How to Repair a Garage Door
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• There are two main components to a garage door
  the door itself and the opener.

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• Overhead garage doors, whether they roll up in
  sections or swing up in one piece, operate on
  spring tension. The door moves on metal tracks on
  the garage walls, and a heavy spring or springs
  provide the power.

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• Check the metal tracks inside the garage. Look at
  the mounting brackets that hold the tracks to the
  walls. If they're loose, tighten the bolts or
  screws at the brackets.

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• Working inside the garage with the Garage door
  closed, examine the tracks for dents, crimps, or
  flat spots. If there are any damaged spots, pound
  them out with a rubber mallet, or with a hammer
  and a block of scrap wood.

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• Check the tracks with a level to make sure
  they're properly aligned. Horizontal tracks
  should slant slightly down toward the back of the
  garage with roll-up Garage door , the vertical
  sections of track should be exactly plumb.

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• Clean the tracks with concentrated household
  cleaner to remove dirt and hardened grease. Clean
  the rollers thoroughly, and wipe both tracks and
  rollers dry.

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• Check for loose hardware, and tighten as needed.
  On swing-up Garage door , check the plates where
  the spring is mounted to be sure the screws are
  tight, and tighten any loose screws. 

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• Sagging at one side of the Garage door can often
  be corrected by servicing the hinges. If a screw
  hole is enlarged, replace the screw with a longer
  one of the same diameter, and use a hollow fiber
  plug, dipped in carpenters' glue, with the new
  screw.

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Garage door repair

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