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?
What does an overhead garage door operate on?
What is the first thing you should check if your garage door is not working?
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?
your own judgment
How should horizontal tracks be positioned?
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
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?
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?
When testing your newly installed garage door, where you should you plug in the drive assembly cord?