Richard A New Windsor , IL March 09, 2017 Appliance: General Electric Electric Range JMP28BA1AD Ge Range Jmp28ba1ad: The inner glass in the oven door was severely cracked. How to replace Door Oven Gls. I first removed the door from the oven. I disassembled the door exposing the inner glass plates which my oven had three not including the door face. The glass was easily removed by unscrewing several 1/4 hex screws and clips. Replacing the glass was just a reversal of the disassembly process. I cleaned all the glass as I went. This probably took longer than actually replacing the glass. It was a good time to clean it up though. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes