
If any of these conditions exist, check if the air shutter or burner ports are blocked by dirt, debris, spider webs, etc. and proceed with air shutter adjustment. The amount of air which is pulled through a burner is governed by a sheetmetal cup called the air shutter located at the inlet of the burner It is locked in place by a set screw which must be loosened prior to lighting the burner for adjustment. The air shutter adjustment screws are accessible with a screwdriver. Remove the burner b