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The Ultimate Repairing a Garage Door Quiz
by Staff
Is your car trapped inside because your garage door is stuck? On the other hand, is a faulty door keeping your car out in the cold? You don't have to be shut in or out. Take our quiz and learn how to fix it!

How many components are there to a garage door?

  • two
  • three
  • four

What does an overhead garage door operate on?

  • a pulley
  • electricity
  • spring tension

What is the first thing you should check if your garage door is not working?

  • the rollers
  • the tracks
  • the electrical wiring

If there are dents or flat spots in garage door tracks, how can you fix them?

  • Pound them out.
  • They can't be fixed; replace them immediately.
  • Melt them with a propane torch and reshape them.

What should you use to check the tracks to make sure they are properly aligned?

  • a ruler
  • your own judgment
  • a level

How should horizontal tracks be positioned?

  • plumb
  • slanting slightly upward toward the front of the garage
  • slanting slightly down toward the back of the garage

What should be used to clean the tracks and rollers?

  • anti-oxidizing metal cleaner
  • concentrated household cleaner
  • bleach

How can sagging on one side of a garage door be corrected?

  • by tightening the pulley
  • by moving the horizontal tracks on that side a little higher
  • by servicing the hinges

What can you do if a screw hole on a hinge is enlarged?

  • replace the screw with a longer one
  • fill it with filler to make it smaller
  • replace the hinge

In what case should you not try to fix the spring on your garage door yourself, but leave it to a professional?

  • if you have unsteady hands
  • if your door has only one torsion spring
  • if your garage door has broken down several times in the last few years

How do the springs work on a roll up door?

  • There is a spring on each side connected to a generator which sends out electric pulses.
  • There is a spring on each side controlled by a spring cable on a pulley.
  • There is a spring on each side of the door that is hooked into notches.

What kind of motor does a typical garage door opener have?

  • a reversible motor
  • a linear motor
  • a stepper motor

Where should a garage door opener be installed?

  • on the back wall of the garage
  • at the center of the door
  • on either the right or left hand side of the door

When raising and lowering the door, what should you observe?

  • whether the door glides or moves in stops and starts
  • the speed at which the door ascends and descends
  • the door's highest point of travel

What should the measurements of the rail's supporting plank be?

  • two by six inches
  • three by five inches
  • four by six inches

What kind of screws does the rail attach to the supporting plank with?

  • lag screws
  • machine screws
  • hex cap screws

Where should the rail be attached?

  • exactly at the point where the garage door center and highest travel point intersect
  • two inches above the point where the garage door center and highest travel point intersect
  • in the center of the supporting board

Where should you install the motor unit?

  • no more than two meters from the center of the garage door
  • on the floor, against the garage wall
  • at the point where the rail is parallel to the door track

What can you use to install the push button?

  • bell wire
  • cable wire
  • plastic wire

When testing your newly installed garage door, where you should you plug in the drive assembly cord?

  • into an extension cord
  • into the nearest outlet
  • into a lower voltage outlet for testing purposes