Ukushintsha izinzwa ze-BMW X5 E53 engine management system

Lapho usuqedile ukushintshwa kwezinzwa zepharamitha yenjini, kubalulekile ukufunda ulwazi mayelana nokungasebenzi kahle kumemori ye-ECU-KSUD yememori yohlelo "DME". Xazulula inkinga futhi usule inkumbulo yolwazi mayelana nokungasebenzi kahle kwenkumbulo.

Inzwa yesivinini se-crankshaft yenjini ye-BMW X5 E53 ifakwe ngaphansi kwesiqalisi futhi kufanele ishintshwe ngendlela elandelayo. Vala i-ignition bese ususa i-booster plate. Vula ikhebula bese uyinqamula kunzwa yesivinini se-crankshaft yenjini (23, bheka uMfanekiso 3.3). Khulula isikulufu (24) bese ukhipha inzwa.

I-1 - i-cylinder block; 2—ipulaki enentambo (M14x1,5); 3- indandatho yokuvala; I-4 - umkhono ophakathi nendawo (13,5); S - isihlangu; 6, 30 - umkhono ophakathi nendawo (10,5); 7, 8 - umlomo wombhobho; 9 - umshudo (M6x16); 10 - isokhethi; 11 - ikhava; I-12 - i-centering sleeve (14,5); I-13 - uphawu: 14 - isembozo sebhokisi lokugxusha; 15,16 - ibhawudi (M8×32); 17—i-omentum; I-18 - i-centering sleeve (10,5); 19—ibhawodi (M8×22); 20 - inzwa yezinga lamafutha; 21 - umshudo (M6x12); 22—indandatho yokuvala (17×3); 23 - inzwa ye-crankshaft; 24 - umshudo (M6×16); 25—imfoloko (M8×35); 26 - imfoloko (M10 × 40); 27—ibhawodi (M8×22); 28—ukufaka phakathi; 29—ipulaki enentambo (M24×1,5); 30—umkhono ophakathi nendawo (13,5); 31-inzwa yokungqongqoza; 32 —ibhawodi (M8×30); 33 — umshudo (M10×92); 34 - isikulufa cap (M14 × 1,5); 35, 36 - iphinikhodi yekhava

Inzwa ye-camshaft isikhundla (35, bheka i-Fig. 3.63) itholakala ekhanda le-cylinder, kufanele ishintshwe ngendlela elandelayo.

1, 19 - isokhethi; 2—inadi; 3—ikhava yokuvikela; 4 - ukugoqa; 5, 28, 31, 33, 39 - indandatho yokuvala; 6, 23 - iphinikhodi yokubeka; 7-ihinge yerabha-yensimbi; 8, 9 - i-nati eyimpumputhe; I-10 - iwasha yokubeka uphawu; 11—uphawu; 12, 13, 14 - iphrofayili ehlangene; 15, 37—indandatho yokuvala (17×3); 16, 35—inzwa ye-camshaft; 17, 34 - umshudo (M6x16); 18 - umshudo wokunemba; 20 - ipulaki ngendandatho yokuvala; 21 - i-hook flange; 22—slayidi; 24 - nut M6; 25- jumper "inhlama"; 26 - umshudo (M6x10); 27—inadi elingu-M8; 29, 32—ibhawodi elingenalutho; 30—umzila wamafutha; 36-EMK; 37-indandatho (17×3); 38 - ipiston; 39—entwasahlobo; 40 - ikhanda le-cylinder; 41 - uphawu lwensimbi; 42—ibhulokhi lesikhulu; 43-ikepisi yokugcwalisa uwoyela; 44 - isigqoko

Cisha umlilo bese ususa indlu yesihlungi somoya. Khipha i-solenoid valve (36) kuyunithi yokulawula ye-D-VANOS ku-camshaft yokudonsa. Nqamula iluphu ebhokisini lekhebula.

Xhuma ucezu lwekhebula elisizayo elingaba ngu-50 - 60 cm ubude ku-loop yenzwa, okuzokwenza kube lula nakakhulu ukufaka inzwa entsha. Khulula isikulufu (34) inzwa yokuvikela (35). Susa inzwa ekhanda lesilinda. Khipha isiphetho sekhebula lenzwa kuze kube yilapho ikhebula elingumsizi lingena endaweni yalo ebhokisini lekhebula. Susa inzwa kanye nekhebula elixhuma kusistimu. Nqamula ikhebula elisizayo kwinzwa ehlulekile. Namathisela ikhebuli engumsizi AL yenzwa entsha. Faka ikhebula kusuka kunzwa entsha ebhokisini lekhebula usebenzisa ikhebula elisizayo.

Bheka i-O-ring (33) ngomonakalo ongenzeka, buyisela uma kunesidingo. Shintshanisa i-O-ring (37) ye-D-VANOS solenoid valve (36) bese uqinisa ivalvu ibe ngu-30 Nm (3,0 kgfm).

I-exhaust camshaft position sensor ye-BMW X5 E53 itholakala phambi kwekhanda le-cylinder ohlangothini lwe-exhaust futhi kufanele ishintshwe ngendlela elandelayo. Vala ukuthungela bese unqamula ikhebula lenzwa.

Susa isikulufu (17) esivikela inzwa ekhanda lesilinda. Susa isishumeki (16) ekhanda lesilinda. Hlola indandatho yokuvala (15) ngomonakalo ongaba khona, buyisela uma kunesidingo.

Vala ukuthungela bese ususa ubuningi bokufaka. Khulula ithebhu yebakaki ebhokisini lekhebula bese uyikhipha. Thuthukisa izikulufu (32) bese ususa izinzwa ezingqongqozayo ku-cylinder bank 1-3 kanye ne-cylinder bank 4-6.

Lapho ufaka, hlanza izindawo zokuthintana zezinzwa ezingqongqozayo kanye namaphoyinti azo okunamathiselwe kubhulokhi yesilinda. Faka izinzwa zokungqongqoza bese uqinisa amabhawodi afakayo (32) ukuya ku-20 Nm (2,0 kgfm).

Izinzwa zesistimu yokugcoba (ama-3 ama-pcs.) afakwe ezindaweni ezimbili. Izinzwa ezimbili zamafutha zifakwe endlini yesihlungi samafutha: izinga lokushisa (10, bheka i-Fig. 3.16) nokucindezela (11), etholakala nge-diagonally.

1 - into eshintshwayo; 2 - indandatho (7,0×2,5); 3 - indandatho (91×4); 4 - ikhava yokuhlunga; I-5 - i-gasket yokuvala; 6-umugqa wamafutha; 7-indandatho yokuvala (A14x20); 8 - umshudo ongenalutho; 9 - umshudo (M8×100); 10 - inzwa yokushisa yamafutha; 11-inzwa yokucindezela uwoyela; 12—ibhawodi (M8x55); 13 - umshudo (148×70); 14 - indandatho (20×3); I-15 - ipayipi yokudonsa; 16 - umshudo (M6×16); 17,45—ibhawodi (M8×55); 18—iphampu yamafutha; 19 - umkhono; 20 - uphenyo; 21 - indandatho (9x2,2); 22 - ukwesekwa; 23, 25, 27, 28, 34—isikulufu; 24—umhlahlandlela; 26 - indandatho (19,5 × 3); 29 - i-pan yamafutha; 30 - iphini (M6×30); 31, 35 - indandatho yokuvala; Inzwa yezinga le-32-oyela; 33—inadi (M6); 36 - ukhokho (M12 × 1,5); 37-i-gasket evaliwe; 38 - indandatho yokufaka; 39- nut (M10 × 1); 40—inkanyezi; 41 - i-rotor yangaphakathi; 42—i-rotor yangaphandle; 43 - iketanga; 44—umsabalalisi; 46 - intwasahlobo; 47-indandatho (17×1,8); 48 - umkhono wesikhala; 49 - indandatho yokugcina (2x1); I-50 - ipayipi ye-bypass ye-hose yesihlukanisi samafutha; 51 - izindlu zokuhlunga amafutha

Inzwa yezinga lokushisa ifakwe phezulu kancane.

Inzwa yokushisa kawoyela kufanele ishintshwe ngendlela elandelayo. Cisha umlilo. Khumula isembozo (4) sesihlungi samafutha ukuze uwoyela ugelezele epanini likawoyela. Susa indlu yesihlungi somoya. Nqamula isekhethi yenzwa yezinga lokushisa likawoyela bese ukhulula inzwa yegeji yezinga lokushisa likawoyela.

Lapho ufaka, qinisa inzwa yokushisa kawoyela ibe ngu-27 Nm (2,7 kgf m). Hlola izinga likawoyela bese ugcwalisa uma kunesidingo.

Ukushintshwa kwe-BMW X5 E53 inzwa yokucindezela uwoyela (11) kufanele kwenziwe ngale ndlela elandelayo. Cisha umlilo. Khumula isembozo (4) sesihlungi samafutha ukuze uwoyela ugelezele epanini likawoyela. Susa indlu yesihlungi somoya bese unqamula isekethe yenzwa yomfutho kawoyela. Khipha inzwa yomfutho kawoyela.

Lapho ufaka, qinisa inkinobho yokucindezela uwoyela ibe ngu-27 Nm (2,7 kgfm). Hlola izinga likawoyela bese ugcwalisa uma kunesidingo.

Cisha umlilo. Khumula ikepisi lokuhlunga uwoyela ukuvumela uwoyela ukuthi uphumele epanini likawoyela wenjini. Khipha i-gusset, khipha ipulaki (36) bese ukhipha uwoyela wenjini. Lahla uwoyela okhishiwe ukuze ugaywe kabusha. Nqamula iluphu kunzwa yeleveli kawoyela.

Khulula amantongomane (33) futhi ukhiphe inzwa yezinga likawoyela (32). Hlanza indawo yokuvala epanini lamafutha. Shintshanisa i-o-ring (31) kunzwa yezinga likawoyela kanye ne-o-ring (3) kukepisi lesihlungi sikawoyela (4). Naka iphini lokukhiya (30).

Faka futhi uqinise isivalo sokuhlunga uwoyela sibe ngu-33 Nm (3,3 kgf m). Faka ipuleti lokuqinisa futhi uqinise ku-56 Nm + 90°. Gcwalisa injini ngamafutha futhi uhlole izinga layo.

Ukushintshwa kwenzwa yokushisa ye-BMW X5 E53 (19, bheka i-Fig. 3.18) yomoya ongenayo kufanele kwenziwe ngendlela elandelayo.

I-1 - i-rubber bushing; 2 - ukungena emoyeni; 3 - igobolondo; 4 - i-absorber shock; 5 - indandatho (91×6); 6 - ubakaki (34mm); 7—i-snob (42mm); 8-i-muffler/indlu; 9 - umkhono wesikhala; 10 - ukwesekwa; 11 - umshudo (M6x12); 12—insimbi; 13 - i-hinge; 14 - i-valve xx; 15 - umnikazi we-valve; 16 - isici sokuhlunga esingashintshwa; 17 - T-bolt (M6x18); 16—ibhulokhi lesikhulu; 19—inzwa yokushisa; 20 - indandatho (8×3); 21 - nati (MV); 22 - umkhono; 23—ukudla ngokuphindaphindiwe; 24 - nati (M7); 25—amahinji; 26—indandatho (7x3); 27 - isikulufu; 28 - i-adaptha

Cisha umlilo bese ususa ikhava yombhobho. Nqamula isekethe yenzwa yokushisa komoya oyithathayo. Cindezela i-latch bese ususa inzwa yezinga lokushisa elihlukahlukene.

Lapho ufaka inzwa, hlola i-o-ring (20) ngomonakalo bese ushintsha i-o-ring uma yonakele.

I-accelerator pedal (igesi) inzwa yendawo itholakala endaweni yabagibeli futhi ixhunywe ngqo ku-pedal, kufanele ishintshwe ngendlela elandelayo. Cisha umlilo. Cindezela kancane ithebhu yokukhiya phansi bese ukhipha imojuli ye-accelerator pedal (2) eceleni.

Nqamula i-AL kumojuli ye-accelerator pedal bese ususa inzwa yokuma kwe-accelerator.

Faka inzwa yokuma kwe-accelerator ngendlela ehlehlayo.

Inzwa yokushisa epholile itholakala ngaphansi kwe-exhaust manifold ekhanda le-cylinder, eduze kwe-cylinder yesi-6 futhi kufanele ishintshwe ngendlela elandelayo. Vala ukuthungela bese ususa ubuningi bokufaka. Nqamula isekethe bese ususa inzwa yezinga lokushisa elipholile.

Inzwa yokushisa kufanele ifakwe ngokulandelana okuphambene, kuyilapho kudingekile ukufaka inzwa yokushisa endaweni futhi uyiqinise nge-torque engu-13 N m (1,3 kgf m). Hlanganisa kabusha injini, hlola izinga lokupholisa bese ugcwalisa uma kunesidingo.

Ukushintsha i-valve engenzi lutho i-BMW X5 E53. I-valve yomoya engenzi lutho itholakala ngaphansi kwe-multifold intake, ngqo ngaphezu komzimba we-throttle.

Ukushintshwa kwe-valve yokulawula idling kuyadingeka ukwenza ngendlela elandelayo. Cisha ukuthungela bese unqamula itheminali ethi "-" yebhethri. Susa ipayipi lokumunca phakathi kwendlu yesihlungi somoya kanye nomzimba we-throttle. Nqamula i-AL kuvalvu ezwakalayo (18) kanye nevalvu yokulawula engenzi lutho (14).

• Thuthukisa isikulufu sokulungisa ibhokisi lekhebula kanye nezikulufu zokusekela ivalvu yomoya engenzi lutho (13). Khipha i-valve yomoya engenzi lutho ku-multifold intake ngobakaki.
• Khipha i-valve yomoya engenzi lutho esisekelweni serabha (4).
  
  
  
  I-gasket (1) phakathi kwevalve yomoya engenzi lutho (2) kanye ne-multifold intake kumele ishintshwe njalo. Lapho ushintsha i-gasket, qala uyifake ku-multifold intake.
• Ukuze kube lula ukufakwa kwe-valve engenzi lutho, gcoba ingaphakathi lophawu ngamafutha ukuze lisheleleke kalula.

Ukushintsha i-fuel fuel relay kufanele kwenziwe ngendlela elandelayo. Funda ulwazi lwenkumbulo yephutha le-ECU-ECU ohlelweni lwe-DME, vala ukuthungela. Vula ibhokisi lamagilavu ​​bese ulikhipha.

• Khulula izikulufu bese udonsela ibhokisi le-fuse phansi (ngaphandle kokunqamula ikhebula).
• Susa i-relay empompini yamafutha.
  
  

Ukuqapha

Ngemva kokukhipha i-fuel fuel relay, lapho ukhiye wokuthungela uphendulelwa endaweni yokuqala, iphampu yamafutha ayivuli futhi injini ayiqali.

Ukufakwa kwephampu kaphethiloli edluliselwe kufanele kwenziwe ngokulandelana, ngenkathi kufundwa ulwazi lwenkumbulo yephutha ye-ECM ohlelweni lwe-DME. Hlola imilayezo yephutha engeniwe. Ukuxazulula izinkinga kanye nokususa ulwazi kumemori yephutha.