I'm the proud new owner of a 1950 Magic Chef four burner oven that has a separate broiler and oven. We have hooked it up to our gas link and found that all the burners and the broiler have ignition when we light them with a match. When we try to do so with the oven, no go. We have the temperature dial turned all the way up and oven dial turned on, too, but the light flame just flickers and the oven doesn't ignite. Any leads would be appreciated. Thanks.