Injin Renault J8S
Abubuwa
A ƙarshen 70s, jerin injinan Faransan J an cika su da injin dizal, wanda aka yi nasarar amfani da shi akan manyan motocin Renault da yawa.
Description
An haɓaka sigar dizal na dangin JJ8S na rukunin wutar lantarki kuma an sanya shi cikin samarwa a cikin 1979. An shirya sakin a masana'antar kamfanin a Douvrin (Faransa). An samar da shi duka a cikin sha'awar (1979-1992) da turbodiesel (1982-1996).
J8S injin dizal mai silinda huɗu ne a cikin layi mai nauyin lita 2,1 mai ƙarfin 64-88 hp. tare da karfin juyi 125-180 Nm.
An shigar akan motocin Renault:
- 18, 20, 21, 25, 30 (1979-1995);
- Jagora I (1980-1997);
- Traffic I (1980-1997);
- Wuta I (1982-1986);
- Space I, II (1982-1996);
- Safrane I (1993-1996).
Bugu da ƙari, ana iya ganin wannan injin a ƙarƙashin hoods na Cherokee XJ (1985-1994) da Comanche MJ (1986-1987) SUVs.
Tushen Silinda an yi shi da alloy na aluminium, amma an yi jifa da baƙin ƙarfe. Wannan bayani na ƙira ya haɓaka ƙimar matsawa sosai.
Shugaban Silinda kuma aluminum ne, tare da camshaft guda ɗaya da bawuloli 8. Shugaban yana da ƙirar pre-chamber (Ricardo).
Ana yin pistons bisa ga tsarin gargajiya. Suna da zobe guda uku, biyu daga cikinsu na matsewa ne da kuma tarkacen mai.
Tuƙi nau'in belt, ba tare da masu canza lokaci ba da ma'auni na hydraulic. The bel albarkatun ne quite kananan - 60 dubu km. Hadarin karya (tsalle) yana cikin lanƙwasawa na bawuloli.
Tsarin lubrication yana amfani da famfon mai nau'in kaya. Wani sabon bayani shine kasancewar nozzles na mai na musamman don sanyaya ƙasan pistons.
Ana amfani da famfo mai inganci na nau'in VE (Bosch) a cikin tsarin samar da man fetur.
Технические характеристики
| Manufacturer | SP PSA da Renault |
| Ƙarar injin, cm³ | 2068 |
| Karfi, l. Tare da | 64 (88) * |
| Karfin juyi, Nm | 125 (180) * |
| Matsakaicin matsawa | 21.5 |
| Filin silinda | aluminum |
| Tsarin toshewa | layi-layi |
| Yawan silinda | 4 |
| Tsarin allurar mai a cikin silinda | 1-3-4-2 |
| Shugaban silinda | aluminum |
| Silinda diamita, mm | 86 |
| Bugun jini, mm | 89 |
| Yawan bawul a kowane silinda | 2 |
| Tukin lokaci | Ð ± |
| Na'ura mai ba da hanya tsakanin hanyoyin sadarwa | babu |
| Turbocharging | babu (turbine)* |
| Tsarin samar da mai | Bosch ko Roto-Diesel, forkamery |
| Fuel | man dizal (DF) |
| Matsayin muhalli | Yuro 0 |
| Albarkatu, waje. km | 180 |
| Location: | transverse** |
* dabi'u a cikin brackets don turbodiesel. ** akwai gyare-gyare na injin tare da tsari mai tsayi.
Menene gyare-gyare ke nufi?
Dangane da J8S, an haɓaka gyare-gyare da yawa. Babban bambanci daga samfurin tushe shine karuwar wutar lantarki saboda shigar da turbocharger.
Baya ga halayen wutar lantarki, an mai da hankali sosai ga tsarin tsabtace iskar iskar gas, sakamakon haka an ɗaga ma'auni na ƙa'idodin muhalli.
Canje-canje a cikin ƙirar injin konewa na ciki ba a aiwatar da su ba, sai dai abubuwan da ke ɗaure motar a jikin motar, dangane da ƙirar sa.
Ana nuna ƙarin cikakkun bayanai game da halayen gyare-gyaren J8S a cikin tebur:
| Lambar injin | Ikon | Torque | Matsakaicin matsawa | Shekarun saki | An girka |
|---|---|---|---|---|---|
| J8S 240* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1984-1990 | Renault Espace I J11 (J/S115) |
| Farashin J8S600 | 72 l. s da 4500 rpm | 137 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 610* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Espace II J63 (J/S635, J/S63D) |
| Farashin J8S620 | 64 l. s da 4500 rpm | 124 Nm | 21.5 | 1989-1997 | Traffic I (TXW) |
| Farashin J8S704 | 67 l. s da 4500 rpm | 124 Nm | 21.5 | 1986-1989 | Renault 21 I L48, K48 |
| Farashin J8S706 | 63 l. s da 4500 rpm | 124 Nm | 21.5 | 1984-1989 | Renault 25 I R25 (B296) |
| Farashin J8S708 | 86 l. s da 4250 rpm | 181 Nm | 21.5 | 1984-1992 | Renault 25 I (B290, B29W) |
| J8S 714* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| Farashin J8S736 | 69 l. s da 4500 rpm | 135 Nm | 21.5 | 1988-1992 | Renault 25 I R25 (B296) |
| Farashin J8S738 | 86 l. s da 4250 rpm | 181 Nm | 21.5 | 1984-1992 | Renault 25 I (B290, B29W) |
| Farashin J8S740 | 72 l. s da 4500 rpm | 137 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| Farashin J8S758 | 64 l. s da 4500 rpm | 124 Nm | 21.5 | 1994-1997 | Traffic I (TXW) |
| J8S 760* | 88 l. s da 4250 rpm | 187 Nm | 21 | 1993-1996 | Safrane I (B54E, B546) |
| J8S 772* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Espace II J63 (J/S635, J/S63D) |
| J8S 774* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1984-1990 | Yanki I J11, J/S115 |
| J8S 776* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Espace II J63 (J/S635, J/S63D) |
| J8S 778* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Espace II J63 (J/S635, J/S63D) |
| J8S 786* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 788* | 88 l. s da 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
* Zaɓuɓɓukan turbocharged.
AMINCI
Diesel J8S ba ya bambanta a babban aminci. Duk sigogin da suka gabata kafin 1995 sun kasance masu rauni musamman a wannan fannin.
Daga sashin injina, shugaban silinda ya juya ya zama matsala. Ana ba da gudummawar su ta hanyar ƙarancin sabis na bel na lokaci, da rikitarwa na wasu matsayi yayin gyaran motar, da rashin kayan hawan ruwa.
A lokaci guda, bisa ga sake dubawa na masu motoci da yawa, injin yana sauƙin kulawa fiye da kilomita dubu 500 ba tare da raguwa ba. Don yin wannan, wajibi ne don aiwatar da tsare-tsaren da aka tsara a cikin lokaci kuma a cikakke ta yin amfani da sassa masu inganci (na asali) da abubuwan amfani. A lokaci guda kuma, ana ba da shawarar rage sharuɗɗan kulawa.
Raunuka masu rauni
A cikin wannan al'amari, ana ba da fifiko ga shugaban silinda. Yawancin lokaci, ta hanyar kilomita dubu 200 na gudu, raguwa ya bayyana a cikin prechamber na silinda na uku. Jeeps sun fi dacewa da wannan lamarin.
A cikin 1995, masana'anta sun ba da Bayanan Fasaha 2825A, tsananin bin abin da ya rage haɗarin fashewar kai.
Tare da rashin dacewa, mai tsanani da aiki mai tsanani, injin konewa na ciki yana da wuyar yin zafi. Sakamakon yana da banƙyama - babban gyare-gyare ko maye gurbin motar.
Injin konewa na cikin gida ba shi da hanyoyin da za a iya dasa ƙarfi mara ƙarfi na oda na biyu. Sakamakon haka, motar tana gudana tare da girgiza mai ƙarfi. Sakamakon shine rauni na haɗin gwiwa na nodes da gaskets, bayyanar mai da ruwan sanyi.
Ba sabon abu ba ne injin turbin ya fara tuka mai. Yawancin lokaci wannan yana faruwa zuwa kilomita dubu 100 na aikinsa.
Don haka, injin yana buƙatar kulawa akai-akai. Tare da gano lokaci da kuma kawar da kurakurai, dogara da rayuwar sabis na ingin konewa na ciki sun karu.
Mahimmanci
Dorewar sashin yana da gamsarwa. Kamar yadda kuka sani, tubalan aluminum Silinda ba za a iya gyara su kwata-kwata. Amma kasancewar safofin hannu na simintin ƙarfe a cikin su yana nuna yuwuwar sake fasalin gabaɗaya.
Nemo sassa da majalisai don maidowa shima yana haifar da wasu matsaloli. Anan, gaskiyar cewa yawancin kayayyakin da aka haɗa suna zuwa don ceto, wato, ana iya ɗaukar su daga gyare-gyare daban-daban na J8S. Matsalar kawai ita ce farashin su.
Lokacin yanke shawarar maidowa, yakamata kuyi la'akari da yuwuwar samun injin kwangila. Sau da yawa wannan zaɓi zai zama mai rahusa.
Gabaɗaya, injin J8S bai yi nasara sosai ba. Amma duk da wannan, tare da aiki mai kyau da kuma ingantaccen sabis na lokaci, ya zama mai ƙarfi, kamar yadda babban nisan mil ɗin ya tabbatar.
