Do not try and lift the top. You will break the gas lines. Use a small nail or pin to clean the hole beside the igniter on that burner that will not light.https://www.youtube.com/watch?v=ACat1pFqZLY&feature=player_embedded If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61