Hoʻohui ʻia ka valve hoʻokuʻu kiʻekiʻe kiʻekiʻe kiʻekiʻe me ʻelua mau ʻāpana o ka valve diaphragm air valve kiʻekiʻe a me ka inlet haʻahaʻa haʻahaʻa a me ka valve exhaust, Loaʻa iā ia nā hana exhaust a intake.