2. Apply a lubricant. Apply a silicone-based lubricant to the tracks and channels. Do not get the grease on the glass.
3. Position the window. Place the window in the frame. Make sure that it is evenly positioned and that it does not tilt to either side.
4. Secure the window. Tighten the bolts that secure the window to the frame.
5. Adjust the window. Roll the window up and down to check for clearance and proper alignment. Adjust as necessary.
6. Test the window. Open and close the window several times to make sure that it is operating smoothly and properly aligned.