1, first you need to lift the glass sliding door upwards and take it out at an angle.
2, use a screwdriver to rotate down the screws on both sides of the low end of the glass door.
3, then use a utility knife to cut the glass glue along the low end, front and back.
4, then use a vise to remove the bottom of the frame little by little.
5, pour out the bottom frame has been worn out roller.
6, into the new roller, the total **** to be loaded into the two, and then the original way to screw the screws, tilt back into the glass door can be.