Enjene ea Renault J8S
Tse ka hare
Ho elella bofelong ba lilemo tsa bo-70, letoto la enjene la French J le ile la tlatsoa ka enjene ea diesel, e ileng ea sebelisoa ka katleho likoloing tse ngata tse tsebahalang tsa Renault.
tlhaloso
Mofuta oa diesel oa lelapa la J J8S oa likarolo tsa motlakase o ile oa ntlafatsoa mme oa kenngoa tlhahisong ka 1979. Tokollo e hlophisitsoe femeng ea k'hamphani e Douvrin (Fora). E hlahisitsoe ka bobeli liphetolelong tse lakatsehang (1979-1992) le turbodiesel (1982-1996).
J8S ke enjene ea disele ea 2,1-liter in-line-cylinder four-cylinder e nang le matla a 64-88 hp. ka le torque 125-180 Nm.
E kentsoe likoloing tsa Renault:
- 18, 20, 21, 25, 30 (1979-1995);
- Master I (1980-1997);
- Sephethephethe I (1980-1997);
- Mollo I (1982-1986);
- Sebaka I, II (1982-1996);
- Safrane I (1993-1996).
Ho phaella moo, enjene ena e ka bonoa tlas'a hoods tsa Cherokee XJ (1985-1994) le Comanche MJ (1986-1987) SUVs.
The cylinder block e entsoe ka alloy aluminium, empa li-liner ke tšepe e entsoeng ka tšepe. Tharollo ena ea moralo e ekelitse sekhahla sa khatello haholo.
Hlooho ea silinda le eona ke aluminium, e nang le camshaft e le 'ngoe le li-valve tse 8. Hlooho e ne e e-na le moralo oa pele ho kamoreng (Ricardo).
Li-piston li entsoe ho ea ka morero oa setso. Li na le mehele e meraro, tse peli tsa tsona ke compression le oli e le 'ngoe.
Koloi ea nako ea mofuta oa lebanta, ntle le li-phase shifters le hydraulic compensator. Mohloli oa lebanta o nyane haholo - lik'hilomithara tse likete tse 60. Kotsi ea khefu (ho qhoma) e teng ka ho kobeha ha li-valve.
Sistimi ea ho tlotsa e sebelisa pompo ea oli ea mofuta oa gear. Tharollo e ncha ke ho ba teng ha li-nozzles tse khethehileng tsa oli bakeng sa ho pholisa tlase ho piston.
Pompo e tšepahalang ea ente ea mofuta oa VE (Bosch) e sebelisoa tsamaisong ea phepelo ea mafura.
Litlhaloso tsa theknoloji
| Moetsi | SP PSA le Renault |
| Bophahamo ba enjene, cm³ | 2068 |
| Matla, l. Ka | 64 (88) * |
| Torque, NM | 125 (180) * |
| Compression ratio | 21.5 |
| Moqomo | aluminium |
| Thibela tlhophiso | e mocheng |
| Palo ea diselennere | 4 |
| Taelo ya ho kenya mafura ka hara disilindara | 1-3-4-2 |
| Hlooho ea Moqomo | aluminium |
| Moqomo bophara, limilimithara | 86 |
| Leqeba la piston, mm | 89 |
| Palo ea li-valve ka silindara | 2 |
| Koloi ea nako | lebanta |
| Hydraulic compensator | ha ho |
| Turbocharging | che (turbine)* |
| Sisteme ea phepelo ea mafura | Bosch kapa Roto-Diesel, prechambers |
| Mokelikeli | mafura a disele (DF) |
| Litekanyetso tsa tikoloho | Euro 0 |
| Mohlodi, kantle. km | 180 |
| Sebaka: | mosehla ** |
* boleng ka masakaneng bakeng sa turbodiesel. ** ho na le liphetoho tsa enjene ka tlhophiso ea longitudinal.
Liphetoho li bolela'ng?
Ho ipapisitsoe le J8S, ho ile ha etsoa liphetoho tse 'maloa. Phapang e kholo ho tloha mohlala oa motheo e ne e le ho eketseha ha matla ka lebaka la ho kenngoa ha turbocharger.
Ntle le litšoaneleho tsa matla, tlhokomelo e kholo e ile ea lefshoa tsamaisong ea ho hloekisa khase ea ho qeta, ka lebaka leo tekanyo ea litekanyetso tsa tlhahiso ea tikoloho e phahamisitsoeng haholo.
Liphetoho moralong oa enjene e tukang ka hare ha lia ka tsa etsoa, ntle le likarolo tsa ho tiisa koloi 'meleng oa koloi, ho latela mohlala oa eona.
Lintlha tse ling mabapi le litšobotsi tsa liphetoho tsa J8S li bontšitsoe tafoleng:
| Khoutu ea enjene | Sebeliso ea matla | Torque | Compression ratio | Lilemo tsa tokollo | E kentsoe |
|---|---|---|---|---|---|
| J8S 240* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1984-1990 | Renault Espace I J11 (J/S115) |
| J8S 600 | 72 l. lebelo la 4500 rpm | 137 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 610* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Space II J63 (J/S635, J/S63D) |
| J8S 620 | 64 l. lebelo la 4500 rpm | 124 Nm | 21.5 | 1989-1997 | Traffic I (TXW) |
| J8S 704 | 67 l. lebelo la 4500 rpm | 124 Nm | 21.5 | 1986-1989 | Renault 21 I L48, K48 |
| J8S 706 | 63 l. lebelo la 4500 rpm | 124 Nm | 21.5 | 1984-1989 | Renault 25 I R25 (B296) |
| J8S 708 | 86 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1984-1992 | Renault 25 I (B290, B29W) |
| J8S 714* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 736 | 69 l. lebelo la 4500 rpm | 135 Nm | 21.5 | 1988-1992 | Renault 25 I R25 (B296) |
| J8S 738 | 86 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1984-1992 | Renault 25 I (B290, B29W) |
| J8S 740 | 72 l. lebelo la 4500 rpm | 137 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 758 | 64 l. lebelo la 4500 rpm | 124 Nm | 21.5 | 1994-1997 | Traffic I (TXW) |
| J8S 760* | 88 l. lebelo la 4250 rpm | 187 Nm | 21 | 1993-1996 | Safrane I (B54E, B546) |
| J8S 772* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Space II J63 (J/S635, J/S63D) |
| J8S 774* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1984-1990 | Sebaka sa I J11, J/S115 |
| J8S 776* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Space II J63 (J/S635, J/S63D) |
| J8S 778* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1991-1996 | Space II J63 (J/S635, J/S63D) |
| J8S 786* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
| J8S 788* | 88 l. lebelo la 4250 rpm | 181 Nm | 21.5 | 1989-1994 | Renault 21 I L48, K48, B48 |
* Likhetho tsa turbocharged.
Ho tšepahala
Diesel J8S ha e fapane ka ho tšepahala ho phahameng. Liphetolelo tsohle pele ho 1995 li ne li fokola haholo tabeng ena.
Ho tloha karolong ea mochine, hlooho ea silinda e ile ea fetoha bothata. Tlatsetso ea bona e etsoa ke bophelo bo tlaase ba tšebeletso ea lebanta la nako, ho rarahana ha maemo a mang ha ho lokisoa motlakase, le ho haella ha li-hydraulic lifters.
Ka nako e ts'oanang, ho ea ka litlhaloso tsa beng ba likoloi tse ngata, enjene e hlokomela habonolo lik'hilomithara tse fetang 500 tse likete ntle le ho senyeha ho hoholo. Ho etsa sena, ho hlokahala ho etsa ts'ebetso e reriloeng ka nako le ka botlalo ho sebelisa likarolo tsa boleng bo holimo (tsa pele) le lisebelisoa. Ka nako e ts'oanang, ho kgothaletswa ho fokotsa maemo a tlhokomelo.
Mabala a fokolang
Tabeng ena, ho fanoa ka pele ho hlooho ea silinda. Hangata, ka lebelo la lik'hilomithara tse likete tse 200, mapetsong a hlaha ka kamoreng ea prechamber ea cylinder ea boraro. Li-jeep li hlaseloa haholo ke ketsahalo ena.
Ka 1995, moetsi o ile a fana ka Technical Note 2825A, ho khomarela ka tieo ho ileng ha fokotsa kotsi ea ho phatloha ha hlooho.
Ka ts'ebetso e sa lokelang, e thata le e mabifi, mochine o tukang ka hare o atisa ho chesa haholo. Liphello ke tse nyahamisang - phetoho e kholo kapa ho nkeloa sebaka ha enjene.
Enjene ea ho tuka ha ka hare ha e na mekhoa ea ho fokotsa matla a inertial a bobeli. Ka lebaka leo, enjene e matha ka ho thothomela ho matla. Liphello ke ho fokola ha manonyeletso a li-node le li-gaskets tsa tsona, ponahalo ea oli le ho lutla ha pholileng.
Ho tloaelehile hore turbine e qale ho khanna oli. Hangata sena se etsahala ho lik'hilomithara tse likete tse 100 tsa ts'ebetso ea eona.
Kahoo, enjene e hloka tlhokomelo ea kamehla le e haufi. Ka ho lemoha ka nako e nepahetseng le ho felisoa ha liphoso, ho tšepahala le bophelo ba tšebeletso ea mochine o tukang ka hare hoa eketseha.
Tlhokomelo
Ho boloka yuniti hoa khotsofatsa. Joalokaha u tseba, li-cylinder blocks tsa aluminium li ke ke tsa lokisoa ho hang. Empa ho ba teng ha li-sleeve tsa tšepe tse entsoeng ka tšepe ho tsona ho bontša monyetla oa ho fetola ka ho feletseng.
Ho fumana likarolo le likopano bakeng sa tsosoloso le hona ho baka mathata a mang. Mona, taba ea hore likarolo tse ngata tsa lisebelisoa li kopane li tla thusa, ke hore, li ka nkoa ho tsoa ho liphetoho tse fapaneng tsa J8S. Bothata feela ke theko ea bona.
Ha u etsa qeto ea ho tsosolosa, u lokela ho nahana ka monyetla oa ho fumana mochine oa konteraka. Hangata khetho ena e tla ba theko e tlaase haholo.
Ka kakaretso, enjene ea J8S ha ea atleha haholo. Empa ho sa tsotellehe sena, ka ts'ebetso e nepahetseng le tšebeletso ea boleng bo nakong, e ile ea e-ba thata, joalokaha ho pakoa ke lik'hilomithara tse phahameng.
