Ideally you will want to get the doors close to the halfway point on the guide so they are secure in it.
How to put sliding shower doors back on track.
Angle the bottom of the door toward you while you let it down and the wheels should hook right onto the track.
Make sure you use a drop cloth to protect your shower from any scratches.
After you lower the door lower the wheels by turning each screw clockwise to secure the door in the frame.
Release the wheel when it s over the track.
To begin you will need to unscrew the guide rail from the bottom of the shower track.
Lift each of the wheels with a flat head screwdriver while you push the door in.
Release the door and let it swing gently back to the vertical position.
Slide the shower doors back to one side and place the guide in the middle area of the shower track.
Next lift the sliding door out of the track.
Lower the door when both wheels are on the track.
Hold the shower guide above the bottom of the track as much as you can while you slide it onto the edges of the shower doors.
Make sure the door roller is on the track properly at the top.
Raise the wheel by turning the adjustment screw counterclockwise.
Unscrew them the should be about1 4 inch long.
Take a razor knife and cut the caulking if there is any.
Simply lift the sliding shower door and put it back onto the track.
There are a screw at the inside top of the track.