Te Mārama ki te Mahi a te Pūnaha Horoi DPF
I ngā tau tata nei, kua tino kaha haere ngā paerewa tukunga hau o ngā waka. He mārama te whāinga: te whakaiti i te parahanga o te hau me ōna pānga kino ki te hauora me te taiao. Ko tētahi o ngā wāhanga nui e wātea ana hei whakatutuki i ēnei hiahia i roto i ngā waka tīhi hou ko te Tātari Matūriki Tīhi (DPF). Heoi, kāore te DPF e mahi takitahi. Kia mau tonu te whai huatanga, ka whakamahia he pūnaha horoi DPF, e āwhina ana ki te pupuri i te tātari kia "manawa" me te ārai i te aukati. Ka matapakihia e tēnei tuhinga te mahi a te pūnaha horoi DPF, me pēhea te mahi, ōna painga, me ngā tohu o tētahi raruraru.
He aha te DPF, ā, he aha i hiahiatia ai?
Ko te DPF he wāhanga o te pūnaha putanga hau o te miihini tīhiera e hopu ana i ngā matūriki pungarehu i puta mai i te tahunga. He matūriki waro pai te pungarehu, ina tukuna ki te rangi, ka kino ake te kounga o te hau, ā, ka tū hei mōrearea ki te ara manawa o te tangata. Ka hopukina e te DPF ēnei matūriki ki roto i te tātari, ka hua ake he putanga hau ma ake.
Heoi, nā te mahi "tātari", ka kī tonu te DPF i te pungarehu. Ki te kore e rongoatia, ka nui ake te aukati, ka aukati i te rere o te hau, ka whakaiti i te mahi, ā, ka kino pea te miihini, te turbo rānei. Koinei te wāhi e tino hira ai te pūnaha horoi DPF.
Te Mārama ki te Pūnaha Horoi DPF
Ko te pūnaha horoi DPF he raupapa tukanga—he aunoa, he ā-ringa rānei—e whai ana ki te tango i te pungarehu me te pungarehu kua pupū ake i te tātari matūriki kia pai ai te mahi a te DPF. Ko te tikanga, ka oti tēnei horoi mā te tukanga e kiia nei ko te whakaora, arā, ko te tahu i te pungarehu i ngā pāmahana teitei kia huri rā anō hei hau, ā, kia iti ake te toenga.
I te nuinga o te wā, e rua ngā momo "paru" e whakakī ana i te DPF:
1. Kahurangi: ka taea te tahu mā te whakaora anō.
2. Pungarehu: he toenga kore-mura mai i te hinu miihini, i ngā tāpiringa, i ētahi hua mura rānei. Kāore e taea te tango i te pungarehu mā te whakahoutanga noa, ā, me horoi i ia wā mā te whakamahi i ngā tikanga motuhake.
Ko te arotahi matua o te pūnaha horoi DPF ko te whakahaere i te pungarehu, engari mō te wā roa ka mahi anō hoki ki te whakahaere i te pungarehu kua pupū ake.
Ngā Mahi Matua o te Pūnaha Horoi DPF
1. Kia mau tonu te whai huatanga o te tātari tukunga
Ko tāna mahi matua ko te whakarite kia mau tonu te kaha o te DPF ki te hopu i ngā matūriki kino me te kore e aukati. Ina ma te tātari, ka tino pai te kaha tātari, ā, ka iti tonu ngā tukunga, e ai ki ngā ture.
2. Te Pupuri i te Mahi a te Mīhini
Ka piki ake te pēhanga whakamuri i roto i te pūnaha whakaputanga hau ina purua te DPF. Nō reira, me kaha ake te mahi a te mīhini ki te whakaputa i ngā hau para. Ka āwhina te pūnaha horoi DPF ki te pupuri i te pēhanga whakamuri noa, kia mau tonu ai te mana o te mīhini, te urupare a te pētera whakatere, me te pai o te turbo.
3. Ārai i te Whakamahinga Wahie Nui rawa
Ina purua te DPF, ka whakarerekētia e te ECU (rorohiko miihini) te rautaki tahunga hei whakatika i te āhuatanga. I roto i ētahi waka, ka hua ake pea tēnei i te pikinga o te whakapaunga wahie. Mā te horoi tika i te DPF ka mau tonu te pai o te whakamahinga o te wahie.
4. Whakaiti i te tūponotanga o te kino ki ngā wāhanga utu nui
Ka taea e te DPF katoa te whakaoho i te mekameka o ngā raruraru: te pikinga o te mahi turbo, te pikinga o te pāmahana o te putanga hau, te tere ake o te poke o te EGR, me te kino pea ki ngā pūoko, ki te kaitahuri catalytic rānei. He "ārai" te pūnaha horoi whai hua ki ēnei kino utu nui.
5. Whakaroa i te Ora o te DPF
Ehara te DPF i te wāhanga iti te utu. Mēnā he pūnaha horoi tika, ka taea te roa ake te roa o te ora o te DPF nā te mea kāore e whakaaetia kia nui haere ngā aukati ki tua atu i ngā rohe haumaru.
Te Mahi a te Pūnaha Horoi DPF (Whakaora)
Ko te tukanga horoi DPF tino noa ko te whakahounga, arā, ko te tahu i te pungarehu i roto i te tātari. He maha ngā momo whakahounga:
1. Whakahoutanga Āhuakore
Ka puta noa te whakahoutanga kore mahi ina whakahaerehia te waka i ngā pāmahana hau putanga teitei, pērā i ngā haerenga roa me te tere pumau. I ētahi pāmahana, ka tahuna haere te pungarehu me te kore he wawaotanga motuhake mai i te pūnaha.
Ngā Painga: maeneene, kāore e rangona e te taraiwa, ā, he whai hua.
Ngā huakore: kāore i te tino whai hua mēnā ka whakamahia pinepinetia te waka mō ngā tawhiti poto, i roto rānei i ngā waka e piri ana.
2. Whakaora Kaha
Mena ka kitea e te ECU kua tīmata te whakakī o te DPF (mai i ngā raraunga pūoko pēhanga rerekētanga, i ngā tātaitanga kawenga pungarehu rānei), ka whakaoho te pūnaha i te whakahoutanga kaha mā te whakanui ake i te pāmahana hau putanga. Ka taea tēnei te mahi i roto i ngā huarahi maha, i runga i te hoahoa o te waka, hei tauira:
– te werohanga wahie tāpiri i ētahi wāhanga,
– ngā tautuhinga wā werohanga,
– te whakamahinga o ngā wāhanga whakamahana, ngā rautaki tahunga motuhake rānei.
Ko te whāinga kia eke ki te pāmahana teitei hei tere ake te tahu i te pungarehu.
Ngā Painga: ka puta pea ahakoa kāore te waka e whakamahia ana mō ngā tawhiti roa.
Ngā huakore: ka taea te whakanui ake i te whakapaunga wahie mō te wā poto, ā, ki te kore e rahua pinepine ka pā mai ētahi atu raruraru.
3. Whakahoutanga Āwhina
Ka mahia tēnei mā te whakamahi i tētahi taputapu tātaritanga awheawhe ina kī rawa te DPF, ā, kāore e taea te whakahou aunoa. Ka whakahaerehia e te mekanika tētahi tikanga motuhake hei whakahaere i te pāmahana putanga hau o te miihini hei horoi i te DPF.
Kia mōhio: me whakahaere te whakahoutanga ā-kaha mā roto i ngā tikanga haumaru nā te mea he nui te pāmahana me te mōrearea o te wera nui mēnā he raruraru anō kei roto.
Te Horoi DPF i tua atu i te Whakaora: Te Whakatau i te Pungarehu
I roto i te wā, ka kī tonu te DPF i te pungarehu, engari ka kohia hoki te pungarehu e kore e taea te tahu katoa. I tētahi wā, me horoi mā te whakamahi i ngā tikanga motuhake, pēnei i:
– te horoi ki tētahi mīhini motuhake (mīhini horoi DPF) e pupuhi ana, e mimiti ana hoki i ngā toenga,
– te horoi ultrasonic, ētahi wai rānei (i runga i ngā taunakitanga a te kaihanga),
– me whakakapi rānei i te DPF mēnā kua hipa i te rohenga.
Ko te tikanga o tētahi pūnaha horoi DPF whānui ko te whakahaere i ngā mea e rua: te whakaora i te pungarehu me te tiaki i te pungarehu i ia wā.
Ngā Wāhanga e Tautoko ana i te Pūnaha Horoi DPF
Kia pai ai te whakahaere o te tukanga horoi, he maha ngā wāhanga tautoko e whakamahia ana e ngā waka pēnei i:
– Pūoko pēhanga rerekētanga DPF: ka ine i te rerekētanga pēhanga i mua atu, i muri mai hoki i te DPF, he tohu mō te taumata o te aukati.
– Pūoko pāmahana hau putanga (EGT): e whakarite ana i te pāmahana e tika ana mō te whakahoutanga me te ārai i te wera nui.
– ECU/ECM: te roro e whakatau ana i te wā e mahia ai te whakahoutanga me te rautaki e whakamahia ana.
– Pūnaha werohanga: he mahi tāna ki te whakanui ake i te pāmahana mā te whakahaere i te mura.
– EGR me ngā pūnaha e pā ana: Ka pā pea ngā āhuatanga o te EGR ki te hanganga o te pungarehu me te auau o te whakaoranga.
Mena he hapa tētahi o ngā pūoko, ka rahua pea te whakahoutanga, ka kore rānei e puta, ka tere te whakakī o te DPF.
Ngā Tohu o te Raru ki te Pūnaha Horoi DPF
Anei ētahi tohu noa:
1. Kei te kā te rama tohu DPF, kei te whakaatu rānei he whakatūpato i te papa taputapu.
2. Ka ngoikore te mana, ka ngoikore rānei te motuka.
3. Ka piki ake te whakapaunga wahie, kāore he take mārama.
4. He maha ngā wā ka tahuri te pā o te pūwhakamahana, nā te mea ka piki te pāmahana o te miihini/pūhau i te wā kāore anō kia oti te whakahou.
5. Paoa hauā rerekē (i raro i ētahi āhuatanga).
6. Te whakahounga pinepine rawa (he tohu tēnei kei te tere te paru o te DPF, kei te hē rānei te pānui a te pūoko).
Ki te puta mai ēnei tohu, me tirotiro tonu kia kore ai e horapa, kia nui ake ai te kino.
Ngā Tikanga Taraiwa hei Āwhina i te Hauora o tō DPF
Ko tētahi take noa o te tere o te whakakī o te DPF ko te taraiwa poto me te maha o ngā waka e noho pūmau ana, e kore nei e taea te whakatutuki i te pāmahana hau putanga ki te paepae whakahou kore mahi. Anei ētahi mahi hei āwhina:
– i ētahi wā ka haere roa me te tere pūmau o te miihini (e whai ana i ngā taunakitanga a te kaihanga),
– te whakamahi i te wahie kounga teitei,
– whakamahia te hinu kia rite ki ngā whakaritenga SAPS iti (mēnā e taunakitia ana) hei pehi i te hanganga o te pungarehu,
– te mahi tiaki auau, me te whakarite kei te mahi tika ngā pūoko.
Whakamutunga
He mea nui te pūnaha horoi DPF hei pupuri i ngā waka tīhi hou kia pai ai te taiao, me te pupuri tonu i te mahi a te miihini. Mā te tango i te pungarehu mā te whakahoutanga me te āwhina ki te aukati i te aukati nui, ka whakaitihia e te pūnaha ngā tukunga, ka whakaitihia ngā utu tiaki mō te wā roa, ā, ka roa ake te ora o ngā wāhanga. Mā te mārama ki te mahi a te pūnaha horoi DPF me ngā tohu o ngā raruraru ka āwhina i ngā kaipupuri waka ki te mahi tika i mua i te kino haere o te kino.
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