Bosch Unit Injector Retaining Nut – Impact Damping & Vibration-Induced Loosening Resistance Rau Scania 701 Series Cav Platforms
1. Khoom: 701 Series Cav Platforms
2. Cov khoom siv sib xws: Diesel Fuel Injection Systems
3. Chaw tsim tshuaj paus: Aftermarket OEM Hloov
4. Cov xwm txheej: Brand tshiab, kuaj tag nrho
5. Keeb kwm: ABOSEDE Diesel
6. Lub sij hawm xa khoom: 3-5 hnub ua haujlwm
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Khoom Taw qhia
Hauv cov tsheb thauj khoom hnyav xws li Scania 701 series (xws li DC12, DC13, thiab DC16 platforms), Bosch lub twj tso kua mis-nozzle chav injector yog raug rau cov neeg kho tshuab tsis tu ncua los ntawm camshaft rocker, combustion siab spikes, thiab txoj kev-induced chassis vibration. Thaum cov kws tshaj lij feem ntau tsom rau qhov zoo li qub clamping torque, qhov kev sib tw tiag tiag nyob hauvdynamic load khaws cia- lub txiv ntseej lub peev xwm los tswj kev ua ntej hauv qab ntau lab ntawm kev hloov pauv hloov pauv. Bosch chav tsev injector khaws cov txiv ntoo rau Scania 701 daim ntawv thov yog tsim los nrog cov qauv tsim tshwj xeeb:vibration-induced loosening kuj los ntawm ib tug hybrid xov daim ntawv thiab nto kev sib txhuam modulation. Tsis zoo li cov txheej txheem fasteners uas vam khom rau lub zog nkaus xwb, cov txiv ntoo no muaj qhov tshwj xeebhloov xov flank lub kaum sab xis(60℃30' hloov tus qauv 60 degree) thiab amicro-encapsulated kev sib txhuam-txhim kho txheejntawm lub ntsej muag bearing uas ua rau kom qhov tawg-loo torque los ntawm 35% yam tsis hloov lub installation torque. Qhov no ua kom ntseeg tau tias ib zaug torqued, cov txiv ntseej tiv thaiv qhov kev sib hloov rov qab los ntawm kev sib hloov kev co-ib hom tsis ua haujlwm hauv cov tsheb thauj mus ntev. Thaum cov txheej txheej no hnav los yog cov ntaub ntawv raug puas tsuaj los ntawm kev rov siv dua, cov txiv ntoo ua rau muaj kev cuam tshuam rau kev sib hloov maj mam, ua rau lub tshuab nqa nqa, lub sijhawm txhaj tshuaj tiv thaiv, thiab tus yam ntxwv "knocking" suab nyob rau hauv load uas feem ntau misdiagnosed raws li ib tug hnav cam follower.
◆ Cav Compatibility - Precision Fitment rau Scania 701 Series
Qhov no Bosch tuav cov txiv ntseej yog qhov sib npaug rau qhovScania 701 cav tsev neeg, uas encompasses lub heavy-duty DC thiab DI series siv nyob rau hauv:
Scania G-Series, R-Series, thiab S-SeriesCov tsheb loj (Euro 3, 4, 5 emission theem)
Scania DC12, DC13, DC16- 12-, 13-, thiab 16-liter inline-6 thiab V8 engine
Scania Industrial Cavrau gensets, twj, thiab marine auxiliary zog
Scania tsheb npav chassis(K- thiab N-series) nrog tib lub twj tso kua mis-nozzle txhaj tshuaj
Lub txiv ntoo ruaj ntseg Bosch unit injector (feem ntau nrog Bosch siv 2 418 455 0xx lossis 0 414 798 001) rau lub tog raj kheej taub hau, siv lubfine-pitch xov(feem ntau M14 × 1.5 lossis M16 × 1.5 nyob ntawm kev kho tshuaj txhaj). Nws nta asiab hexagonal taub hau(27 mm lossis 30 mm AF) thiab atawv caj dabuas faib clamping load ncaj qha mus rau lub injector lub xub pwg nyom. Lub 701-series txiv ntseej yog qhov txawv ntawm Scania 600-series txiv ntseej ua ntej los ntawm nwsntev threaded ntev(22 mm vs . 18 mm) thiab atruncated pilot tipuas coj cov txiv ntseej mus rau lub cev txhaj tshuaj yam tsis muaj kev sib tw. Nco ntsoov txheeb xyuas tus naj npawb ntawm Bosch (piv txwv li, 2 418 455 015) tiv thaiv cov txiv ntoo uas twb muaj lawm.
● Diagnostic Kos Npe – Tshawb xyuas Dynamic Preload Poob
Cov txiv ntoo tuav tseg uas tau poob nws qhov kev co tsis kam nthuav tawm cov tsos mob sib txawv dua li qhov tsis ua haujlwm zoo li qub:
Knocking suab hauv qab load- nce nrog lub cav torque thiab ploj ntawm qhov tsis ua haujlwm; tshwm sim los ntawm injector lub cev micro-lifting thiab rov zaum nrog txhua lub zog stroke.
Irregular roj rov siab- Lub loosening txiv ntoo tso cai rau lub injector tig me ntsis, hloov cov kev sib raug zoo ntawm cov roj inlet thiab rov qab cov chaw nres nkoj, tsim kom muaj kev hloov pauv siab.
Cov pa luam yeeb dub ntawm acceleration- retarded txhaj lub sij hawm vim injector nqa qeeb pib txhaj.
Kev tshuaj xyuas qhov muag- daim ntawv pleev xim rau ntawm cov txiv ntoo thiab lub tog raj kheej lub taub hau yuav pom kev sib hloov (ntau dua 5 degree) thaum piv rau daim duab siv.
Ib qho kev sim kom meej: nrog lub cav kub, siv lub torque wrench los xyuas qhov tawg-loo torque. Yog tias nws qis dua 130 Nm (rau cov txiv ntseej qub torqued rau 180 Nm qhuav), txheej txheej tau degraded los yog daim ntawv xov tau hnav - hloov yog pom zoo.
◆ Kev Pom Kev Lag Luam - Tiv thaiv Camshaft thiab Injector Damage
Lub loosened retaining txiv ntoo tso cai rau lub injector nqa, uas tuaj yeem ua rau lub caj npab rocker ntaus lub injector plunger ntawm lub kaum sab xis tsis raug, ua rau ntxov ntxov hnav ntawm lub camshaft lobe thiab lub injector lub plunger tsav. Hloov lub camshaft ntawm Scania DC13 tus nqi nce siab ntawm € 3,500, thaum lub txiv ntoo tshiab tuav qis dua € 40. Kev hloov pauv ntawm cov txiv ntoo ntawm txhua qhov kev pabcuam txhaj tshuaj (feem ntau 400,000-500,000 km) tshem tawm qhov kev pheej hmoo no tag nrho.
❓ Scania 701 Rhiav FAQ - Cov Lus Nug Txog Cov Lus Nug Txog Vibration
Q1: Kuv Scania R-Series muaj lub suab nrov nrov hauv kev nrawm nrawm uas ploj mus thaum kuv tshem tawm -cov txiv ntoo tuaj yeem yog qhov ua rau?
Yog-uas yog cov tsos mob classic ntawm cov txiv ntoo uas tau poob nws qhov kev vibration xauv. Lub cev injector yog micro-lifting nrog txhua lub zog stroke, tsim kom muaj lub khob hlau. Ua qhov ntsuas qhov tawg-loose torque; yog tias nws qis dua 130 Nm, hloov cov txiv ntoo. Cov txheej txheem tshiab yuav rov ua kom cov nyhuv xauv.
Q2: Kuv puas tuaj yeem rov siv cov txiv ntoo yog tias kuv thov xov xov xauv es tsis txhob cia siab rau cov txheej?
Tsis muaj - xov locker hloov cov kev sib txhuam coefficient unpredictably thiab yuav tsis muab tib yam dynamic kuj raws li lub Hoobkas txheej. Nws kuj ua rau yav tom ntej tshem tawm nyuaj, pheej hmoo xov puas. Tom qab ob zaug rov siv dua, lub txiv ntoo yuav tsum tau hloov pauv - tsis muaj lwm txoj kev kaw.
Q3: Dab tsi yog qhov tseeb torque yog tias kuv siv cov xov qhuav (tsis muaj anti-seize)?
Rau cov xov qhuav, siv180 Nm ± 10 Nm-tsis txhob siv cov angular rotation vim hais tias cov hloov xov flank lub kaum sab xis twb muab qhov tsim nyog stretch. Cov xov qhuav kuj nce kev sib txhuam; 180 Nm tus nqi suav rau qhov ntawd. Yog tias koj siv cov roj nplua nyeem, koj yuav tsum siv 150 Nm + 90℃txoj kev.
Q4: Kuv tuaj yeem qhia tau li cas yog tias qhov sib txhuam txheej tseem siv tau?
Lub txheej muaj ib tug matte grey tsos nrog ib tug me ntsis waxy xav. Yog hais tias cov txiv ntseej muaj ci los yog polished saib ntawm lub ntsej muag bearing los yog threads, lub txheej yog hnav. Tsis tas li ntawd, yog tias qhov tawg-loo torque poob qis dua 135 Nm tom qab paub zoo, cov txheej yuav tsis ua haujlwm ntxiv lawm.
Q5: Cov txiv ntoo no puas siv tau nrog Scania 600 series xyaw (xws li DC11)?
Tsis yog- 600 series siv cov xov luv luv (18 hli) thiab cov xov sib txawv (M12 × 1.5). Lub txiv ntoo 701 ntev dua thiab muaj txoj kab uas hla loj dua. Haum cov txiv ntoo tsis ncaj ncees lawm yuav ua rau hauv qab tawm ntawm lub cev txhaj tshuaj lossis tsis koom nrog cov xov txaus. Nco ntsoov xyuas nrog tus lej ntu.
Q6: Lub cev lub cev threads tau hnav me ntsis -Kuv puas tuaj yeem kho lawv nrog cov xov ntxig?
Xov inserts tsis pom zoo rau lub cev lub cev threads vim hais tias lawv hloov txoj kev sib koom tes xov zoo thiab tej zaum yuav qhia txog kev ntxhov siab. Yog hais tias cov threads puas lawm, lub cev txhaj tshuaj yuav tsum tau hloov los yog cov kws tshaj lij re-threaded rau tus thawj spec. Ib lub txiv ntoo tshiab yuav tsis them nyiaj rau lub cev puas tsuaj.




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Cim npe nrov: bosch unit injector tuav txiv ntoo - cuam tshuam damping & vibration-induced loosening kuj rau scania 701 series cav platforms, Tuam Tshoj bosch unit injector tuav txiv ntseej - cuam tshuam damping & vibration-induced loosening kuj rau scania 701 series cav platforms manufacturers, lwm tus neeg, Hoobkas
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