I have rebuilt one carb on the ski the one with the pump and check valves and i have the other left, this ski has been touched by numberous of people and i donīt thrust the order of apperance of diaphragm and gaskets, well the carb with the pump is complete done now with help of the exploded wiew....but the other one no diaphragm or gasket on the side where the internal filter is? only the oring?