Antique Stained Glass Doors - As it pertains to keeping your home in tip-top condition, nothing can be more annoying than a sliding glass door that won't slide.
The number 1 reason your sliding glass door won't side is because too much dirt and debris have clogged up the wheels and the course of your door panel. This is not a hard fix, but because most sliding glass doors are very heavy, it's best if you have another person present to help you.
After the door is on its side, you can carefully analyze the track along with the wheels. Most commonly, you will discover the wheels are filled with debris and soot, as well as the course can be probably quite grimy. Use compressed air and needle tip pliers, to clean the wheels. Take care to pull every last hair from the wheel bearings. It is best to be diligent in this step, and therefore you do not have to make a habit of this procedure.
While you're at it, clean up all the "mating-edges" of the doorway. This is where the sliding door meets with any other surface of the door frame. A general rule of thumb would be to just wipe down anything that looks filthy. Remember, even whenever dirt is just not always on the course itself, it may eventually fall to the trail causing your door to need another wipe down.