Hoʻolālā ʻia nā valve seal pressure no nā lawelawe wela kiʻekiʻe a me ke kiʻekiʻe kiʻekiʻe ma ka mea kanu mana.Ke hoʻohālikelike ʻia me nā puʻupuʻu bonnet bolted, ʻoi aku ka paʻakikī o nā pahu hoʻopaʻa paʻi BVMC a hiki ke hāʻawi i ka lawelawe sila maikaʻi loa me ka mālama liʻiliʻi.