If the blue ends of the magnets are aft, and the fore-and-aft tray is at the top,you should addsome magnets. if the blue ends of the magnets are aft you should lower the fore-and-aft tray. If the blue ends of the magnets are aft, and the fore-and-aft tray is at the top, you shouldreverse the magnets. If the blue ends of the magnets are forward, and the fore-and-aft tray is at the bottom, youshould add some magnets."