Be sure the runners are on the ridge or the door will fall out again.
Sliding door track falling.
If you see an uneven gap it will require you to raise or lower one of the sides.
Sometimes patio doors become hard to open even when the track is clean.
National hardware 1 piece 60 in bi pass door sliding closet door track kit.
First check the alignment of your closet doors.
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How to clean or fix a door track.
National hardware 1 piece 48 in bi pass door sliding closet door track kit.
In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.
Replace the door by hooking the upper runner to the track lifting the bottom of the door over the lower track and setting it down so that the ridge on the lower rack fits inside the grooves in the runners.
The best way to lubricate any lock is to disassemble it and use an aerosol lubricant to flush away grime and coat the moving parts of the lock.
Sliding closet doors fall off tracks.
There should be an even and uniform separation all the way along the top and bottom.
Use the blade of an old screwdriver to pry stubborn dirt loose.
If a malfunctioning sliding door is a chronic problem see if the track is dirty.
A sliding glass door glides back and forth along a track.
Built up dirt or loose debris can cause a door to stop sliding and ride off the track.