Jim S Frostproof , FL February 09, 2016 Appliance: General Electric Free Standing Microwave JVM1490BH01 Ge Microwave Jvm1490bh01: Missing convection shelf in our used class a rv. How to replace Shelf. Checked for availability from manufacturer and supply companies. Found best prices at appliace parts pro and ordered it. It was back ordered but still came in reasonable time with regularly updated tracking. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes