pū kāweka whenua
Ko te tari pūhanga kōwhai he tari pneumatica matatika, whakaritea hei whakamahi i ngā mahi pūhanga i te kō whatu me ngā mahi kohatu. He mīhini nui ā-motu tēnei tari e hāpai ana i te wehi o te pūhanga i roto i ngā āhuatanga whenua rerekē. E whai ana i te wehi o te wāe komihana e rahi nei i waenganui i te 80 ki te 100 PSI, ko te motu pneumatica tohua o te tari pūhanga kōwhai e whakahaere ana i te mīhini pūhanga. Ko te rākau whakatū pūnaha tuatahi e whai take ana, e tautoko ana i te haerepū me te iti iho i te mate kaiwhakahaere i te wā e hirahira ana. Ko te hanga o te pūhanga kei roto ia e whakauru ana i te mīhini huringa hau e whai ana i te wehi huringa pūhanga, ā, e āheinga ana hoki ki te tahutahu korenga i te poaka i te wā e mahi ana. Ko ngā raraunga matua he tari pūhanga, he motu whiringa, he mīhini pakoti, me te whakatū hau kawe anake. Kei te whai mana rawa atu te tari i roto i ngā mahi kohatu ki raro, i ngā mahi kōwhatu, me ngā mahi hanga, nō reira ka noho wehi te wea hiko i te ao, heoi, ka noho wehi hoki te wea hiko i te ao. Ko ngā tari pūhanga kōwhai o nāianei kei raro i ngā kaiwhakahaere e ara ana i ngā kaiwhakahaere, e tino whakatika ana i ngā kaiwhakahaere, me ngā mīhini haumaru katoa hei whakapai i te wā kaiwhakahaere me te tiaki i a ia. Ko te wehi o te tari ki te mahi i runga i ngā āhuatanga wai, me te hiahia iti noa iho ki te tiaki i te tiaki, ka whakatūria he tūtohi matua i te rohe kohatu me te rohe hanga. Ki te whai mana rawa atu te wehi o te pūhanga i waenganui i ngā poaka iti-titi ki ngā whakawehenga nui, ka whakaangina te tari pūhanga kōwhai i tana wehi nui puta noa i ngā hiahia tonu o ngā kaupapa.