take sparkplug out-remove cover on side of saw that has pull rope..unhook trigger to carb. unhook line going to on-off switch.. then slide inside of saw-motor out of case.. will be two tanks in front. 1st tank is oiler, second tank is gas. take first tank out carefully do not disconnect oil line.. second tank =gas should slide out then .. will be two lines one on top of tank one about inch below.. usually will need both lines .. look to see where they connect to carb.. unhook from carb ..remember where lines go.. one will go to bottom of gas tank ..will be fuel filter on it ..replace line and fuel filter.. replace top line hook back up to carb .. and do reverse hook up on other and you are done..
coy, January 2007