Aga TC3 USA Door adjustment guide After the doors have been attached to the Aga they may need final adjustment to ensure correct fit. The adjustment pins are located in the front plate lugs and can be adjusted using a flat blade screw driver Ol . After the doors have been correctly adjusted the pins must be locked in position using the grub screws located in the door lugs. A prom Allen key has been supplied with your Aga for this purpose.