1. I mua i te whakamahinga o te mīhini horoi, hurihia, tangohia ngā wāhanga o te oko, horoia te mīhini horoi (pūwero) ki te wai wai, ki te wai kohua rānei (kāore e whakaaetia te whakamahi i te waikura pēhanga teitei), kātahi ka huihuia te ngongo momi wai ki runga i te hononga momi wai, ka honoa te ngongo ki te ngira momi wai.
2. Te whakarerekē i te nati whakarerekē ki te horopeta e hiahiatia ana
3. Whakauruhia te ngira momi wai ki roto i te pounamu wai, pēhia, ka tōia te kakau iti hei tango i te hau kei roto i te oko me te ngongo, kātahi ka momi i te wai.
4. Ki te kore e taea te mimiti i te wai, tirohia ngā wāhanga o te mīhini horoi, kia tika ai te tāutanga. Kia mārama te takirere, ki te mea he paru, tangohia atu, ka huihui anō i te mīhini horoi. Ka taea hoki te whakarerekē i ngā wāhanga mēnā kua pakaru.
5. Āhea te whakamahi i te werohanga, whakawhitia noa te ngongo whakamakuku ki te pane o te werohanga.
6. Kia mahara ki te pania te piston O-ring ki te hinu oriwa, ki te hinu tunu kai rānei i muri i te whakamahinga mō te wā roa.
7. Whai muri i te whakamahinga o te mīhini whakamākū, tāpirihia te ngira momi wai ki roto i te wai māori, me te mimi anō i te wai kia horoia te toenga wai kia mākū rawa te oko, kātahi ka whakamaroke.