Open the oven door fully.
Remove the screws near the hinges inside the oven door.
Close the oven door until it stops in the quarter-open position. Pull the door away from the hinges to remove it.
Pry the hinge covers off each hinge with the flat-blade screwdriver.
Press the hinges into the oven to loosen them. Pull the hinges out through the holes in the front of the cabinet to remove them.
Slide the new hinges into the holes the old hinges were extracted from. Position the hinges so the long part is inside the oven and the short portion is protruding.
Replace the hinge covers. Press down on the covers to snap them into place.
Slide the oven door onto the hinges. Open the door fully. Replace the screws next to the hinges.