We have two videos here one Shows how to remove the oven door easily, The other shows more on cleaning the Oven Door

How to remove the oven door If your oven features a bottom hinged door, you can remove the oven door for better access to the oven when cleaning (side-hinged) doors are not removable).  Proceed as follows ·

Open the door fully, Lift up and turn the small hooks located on the two hinges, Grip the door on the two external sides, close it slowly but not completely, Pull the door up towards you, lifting it out of the oven frame.· To replace the door, use the reverse procedure.

See Video Below