Kev kuaj tus kheej thiab kev daws teeb meem ntawm lub driveline VAZ 2107
Txheem
Cardan ncej ntawm lub tsheb ntawm VAZ tsev neeg yog ib tug ncaj ncees txhim khu kev qha tsev. Txawm li cas los xij, nws tseem xav tau kev saib xyuas raws sijhawm. Tag nrho cov malfunctions ntawm cardan kis tau tus mob yuav tsum tau muab tshem tawm sai li sai tau. Txwv tsis pub, tej zaum yuav muaj teeb meem loj thiab kim dua.
Lub hom phiaj thiab kev npaj ntawm cardan ncej VAZ 2107
Lub cardan ncej yog ib tug mechanism uas txuas lub gearbox mus rau lub rear qag gearbox thiab yog tsim los xa torque. Hom kev sib kis no feem ntau nthuav dav rau cov tsheb nrog lub tsheb thiab txhua lub log tsav.
Cardan ntaus ntawv
Cardan ncej VAZ 2107 muaj cov hauv qab no:
- ib los yog ntau seem ntawm nyias-walled hollow yeeb nkab;
- slotted zawv zawg qhov txuas;
- rab rawg;
- ntoo khaub lig;
- outboard bearing;
- fastening ntsiab;
- rear movable flange.
Cardan kis tau tus mob yuav ua tau ib leeg-ncej los yog ob-ncej. Qhov kev xaiv thib ob suav nrog kev siv cov txheej txheem nruab nrab, mus rau sab nraum qab ntawm lub shank nrog cov slots txuas rau sab nraud, thiab lub tes tsho zawv zawg yog tsau rau pem hauv ntej los ntawm pob khawm. Nyob rau hauv ib leeg-ncej qauv, tsis muaj ntu nruab nrab.
Sab pem hauv ntej ntawm cardan yog txuas mus rau lub gearbox los ntawm ib qho kev sib txuas ntawm kev sib txuas ntawm spline. Ua li no, nyob rau hauv qhov kawg ntawm lub ncej muaj ib lub qhov nrog rau sab hauv. Cov khoom siv cardan suav nrog kev txav mus ntev ntawm cov splines thaum lub sijhawm sib hloov. Tus tsim kuj muab rau ib tug outboard bearing txuas rau lub cev nrog ib tug bracket. Nws yog qhov txuas ntxiv rau lub cardan thiab yog tsim los txwv qhov amplitude ntawm nws txoj kev txav.
Ib rab diav rawg yog nyob nruab nrab ntawm qhov nruab nrab thiab pem hauv ntej ntawm cardan ncej. Ua ke nrog tus ntoo khaub lig, nws kis torque thaum lub cardan yog khoov. Lub rear ib feem ntawm lub ncej yog txuas mus rau lub rear qag gearbox los ntawm ib tug flange. Lub shank koom nrog lub ntsiab iav flange los ntawm sab nraud splines.
Cardan yog koom ua ke rau txhua tus qauv VAZ classic.
Xav paub ntxiv txog qhov chaw kuaj xyuas VAZ-2107: https://bumper.guru/klassicheskie-modeli-vaz/kpp/kpp-vaz-2107–5-stupka-ustroystvo.html
Hla ntaus ntawv
Tus ntoo khaub lig VAZ 2107 yog tsim los kho cov axes ntawm cardan thiab hloov lub sijhawm thaum nws cov ntsiab lus yog khoov. Lub pob khawm muab kev sib txuas ntawm rab rawg txuas mus rau qhov kawg ntawm lub tshuab. Lub ntsiab tseem ceeb ntawm tus ntoo khaub lig yog koob bearings, ua tsaug rau lub cardan txav tau. Cov bearings no tau muab tso rau hauv lub qhov ntawm rab rawg thiab tsau nrog circlips. Thaum lub pob khawm hnav, cardan ncej pib khob thaum tsav tsheb. Ib tug hnav khaub lig yog ib txwm hloov nrog ib tug tshiab.
Hom ntawm cardan shafts
Cardan shafts yog cov hauv qab no:
- nrog kev sib koom ua ke tsis tu ncua (CV sib koom ua ke);
- nrog lub pob khawm ntawm qhov tsis sib npaug ntawm qhov nrawm (classic tsim);
- nrog semi-cardan elastic hinges;
- nrog nruj semi-cardan pob qij txha.
Lub classic universal sib koom ua ke muaj rab rawg thiab tus ntoo khaub lig nrog rab koob bearings. Feem ntau ntawm cov tsheb tsav tsheb yog nruab nrog cov ncej zoo li no. Cardans nrog CV pob qij txha feem ntau yog ntsia ntawm SUVs. Qhov no tso cai rau koj kom tshem tawm tag nrho cov kev vibration.
Lub cev muaj zog sib koom ua ke muaj lub tes tsho roj hmab uas muaj peev xwm xa cov torque ntawm cov ces kaum tsis tshaj 8˚. Txij li cov roj hmab yog mos heev, lub cardan muab qhov pib du thiab tiv thaiv kev thauj khoom sai. Xws li shafts tsis xav tau kev saib xyuas. Cov tawv semi-cardan sib koom ua ke muaj cov qauv tsim, uas suav nrog kev sib kis ntawm torque vim qhov khoob ntawm qhov sib txuas spline. Xws li shafts muaj ntau qhov tsis zoo cuam tshuam nrog kev hnav sai thiab kev tsim khoom nyuaj, thiab tsis siv hauv kev lag luam tsheb.
CV sib koom tes
Lub imperfection ntawm tus tsim ntawm classic cardan nyob rau hauv lub crosses yog manifested nyob rau hauv lub fact tias nyob rau hauv lub loj cov ces kaum vibrations tshwm sim thiab torque ploj. Kev sib koom ua ke thoob ntiaj teb tuaj yeem sib txawv qhov siab tshaj plaws ntawm 30-36˚. Nyob rau hauv cov ces kaum, lub mechanism yuav jam los yog ua tsis tiav. Cov kev tsis txaus siab no yog deprived ntawm cardan shafts ntawm CV pob qij txha, feem ntau muaj xws li:
- pob;
- ob lub nplhaib (sab nrauv thiab sab hauv) nrog grooves rau pob;
- separator uas txwv txoj kev txav ntawm cov pob.
Qhov siab tshaj plaws lub kaum sab xis ntawm inclination ntawm cardan ntawm qhov tsim no yog 70˚, uas yog pom tau tias siab tshaj ntawm cov ncej ntawm tus ntoo khaub lig. Muaj lwm cov qauv tsim ntawm CV pob qij txha.
Cardan mount VAZ 2107
Cardan VAZ 2107 yog mounted nyob rau hauv ntau qhov chaw:
- lub rear seem yog bolted rau lub flange ntawm lub rear qag gearbox;
- sab pem hauv ntej yog ib qho kev sib txuas sib txuas nrog elastic coupling;
- nruab nrab ib feem ntawm cardan yog txuas mus rau lub cev los ntawm tus ntoo khaub lig tus tswv cuab ntawm lub outboard bearing.
Kawm paub ntxiv txog kev kho lub qag nram qab: https://bumper.guru/klassicheskie-modeli-vaz/zadnij-most/reduktor-zadnego-mosta-vaz-2107.html
Cardan mounting bolts
Rau mount cardan ntawm lub VAZ 2107, plaub bolts ntsuas M8x1.25x26 nrog lub taub hau conical. Ib tug self-locking txiv ntseej nrog ib tug nylon nplhaib yog screwed rau lawv. Yog hais tias lub ntsia liaj qhov rooj tig thaum zawm los yog loosening, nws yog xauv nrog ib tug screwdriver.
Elastic coupling
Lub elastic coupling yog ib qho nruab nrab ntawm kev sib txuas ntawm cardan ntoo khaub lig thiab cov zis ncej ntawm lub thawv. Nws yog ua los ntawm cov roj hmab muaj zog kom txo tau kev co. Lub clutch raug tshem tawm thaum muaj kev puas tsuaj rau kev hloov pauv lossis thaum kho lub gearbox. Thaum txhim kho lub qub coupling, koj yuav xav tau ib lub clamp ntawm qhov tsim nyog kom nruj nws. Tshiab hloov tau yooj yim couplings feem ntau yog muag nrog ib tug clamp, uas yog muab tshem tawm tom qab installation.
Cardan malfunctions
Lub VAZ 2107 cardan ncej hnav tawm thaum lub sij hawm ua hauj lwm nyob rau hauv lub zog ntawm tas li loads. Lub crosspiece yog raug rau hnav tshaj plaws. Yog li ntawd, lub cardan poob nws cov yam ntxwv qub, kev co, khob, thiab lwm yam tshwm sim.
Kev Co
Qee zaum thaum tsav tsheb ntawm VAZ 2107, lub cev pib vibrate. Yog vim li cas rau qhov no feem ntau yog nyob rau hauv lub driveline. Qhov no tej zaum yuav yog lub installation ntawm ib tug ncej ntawm qhov pib tsis zoo los yog tsis tsim nyog ntawm lub rooj sib txoos. Kev co kuj tuaj yeem tshwm sim thaum muaj kev cuam tshuam rau cov khoom siv ntawm cardan thaum ntaus obstacles lossis kev sib tsoo. Qhov teeb meem zoo li no tuaj yeem yog vim qhov tsis raug ntawm cov hlau tsis zoo.
Muaj ntau ntau yam ua rau muaj kev tsis sib haum xeeb hauv kev tsav tsheb. Kev vibration tuaj yeem tshwm sim hauv cov khoom hnyav. Tsis tas li ntawd, VAZ 2107 cardan tuaj yeem deformed txawm tias tsis siv lub tsheb. Qhov no tseem yuav ua rau muaj kev vibration. Nyob rau hauv cov xwm txheej zoo li no, kev sib npaug lossis hloov ntawm cov node yuav tsum tau kho, thiab qhov teeb meem yuav tsum tau kho tam sim ntawd. Txwv tsis pub, qhov kev vibration ntawm cardan tuaj yeem ua rau kev puas tsuaj ntawm cov ntoo khaub lig thiab lub rear qag gearbox, thiab cov nqi kho yuav nce ntau zaus.
Tsis tas li ntawd, kev vibration tuaj yeem tshwm sim vim cov roj hmab ntawm cov kabmob sab nraud. Cov roj hmab ua tsis tshua muaj elastic thaum lub sijhawm, thiab qhov sib npaug tuaj yeem cuam tshuam. Kev loj hlob ntawm cov kabmob kuj tuaj yeem ua rau muaj kev vibration ntawm lub cev thaum pib tawm. Qhov no, nyob rau hauv lem, tuaj yeem ua rau tsis ua hauj lwm ntxov ntawm cov ntoo khaub lig. Thaum muas ib tug tshiab outboard bearing, tshwj xeeb yuav tsum tau them rau lub elasticity ntawm cov roj hmab ncua kev kawm ntawv thiab qhov yooj yim ntawm kev sib hloov ntawm cov kabmob nws tus kheej. Yuav tsum tsis txhob muaj kev cuam tshuam thiab rov qab.
Nyeem txog hub bearing malfunctions: https://bumper.guru/klassicheskie-modeli-vaz/hodovaya-chast/zamena-stupichnogo-podshipnika-vaz-2107.html
Khob
Kev ua haujlwm tsis zoo thiab hnav ntawm tus kheej cov ntsiab lus ntawm lub kiv cua ncej VAZ 2107 vim kev sib txhuam ua rau muaj kev cuam tshuam rov qab hauv cov txheej txheem thiab, vim li ntawd, mus rau qhov pom ntawm khob. Qhov feem ntau ua rau khob khob yog:
- Ntoo khaub lig. Knock tshwm los ntawm kev hnav thiab kev puas tsuaj ntawm bearings. Qhov yuav tsum tau hloov.
- Loosening ntawm cardan mounting bolts. Qhov teeb meem yog daws los ntawm kev tshuaj xyuas thiab ua kom nruj cov kev sib txuas xoob.
- Kev hnav hnyav ntawm kev sib txuas spline. Hauv qhov no, hloov cov splines ntawm lub driveline.
- Outboard bearing ua si. Cov kabmob yog hloov nrog ib qho tshiab.
Txhawm rau ua kom lub neej kev pab cuam ntawm lub driveline, lawv cov kev saib xyuas ib ntus yog qhov tsim nyog, uas cuam tshuam nrog lubrication nrog lub koob txhaj tshuaj tshwj xeeb. Yog tias cov ntoo khaub lig tsis muaj kev saib xyuas, lawv tsuas yog hloov thaum ua si tshwm. Lub outboard bearing thiab crosses yog lubricated nrog Litol-24 txhua 60 txhiab km. khiav, thiab qhov slotted ib feem - "Fiol-1" txhua txhua 30 txhiab km.
Nyem thaum kov
Feem ntau, thaum pib ntawm cov qauv VAZ classic, koj tuaj yeem hnov cov clicks. Lawv muaj cov yam ntxwv ntawm lub suab nrov, yog qhov tshwm sim ntawm kev ua si hauv txhua lub caij ntawm cardan thiab tuaj yeem tshwm sim los ntawm cov laj thawj hauv qab no:
- lub crosspiece yog tawm ntawm kev txiav txim;
- ib qho kev sib txuas slotted tau tsim;
- loosened cardan mounting bolts.
Hauv thawj kis, tus ntoo khaub lig hloov nrog ib qho tshiab. Thaum tsim ib qho kev sib txuas spline, nws yuav tsim nyog los hloov lub flange pem hauv ntej ntawm lub universal sib koom. Yog tias qhov no tsis pab, koj yuav tau hloov lub cardan ncej tag. Thaum loosening lub mounting bolts, lawv tsuas yog yuav tsum tau nruj nreem kaw.
Kho cardan VAZ 2107
Nws yog ib qho ua tau los rhuav tshem VAZ 2107 cardan rau kev kho lossis hloov yam tsis muaj flyover lossis nqa. Qhov no yuav xav tau:
- qhib-kawg thiab socket wrenches rau 13;
- tiaj tus ntsia hlau;
- lub taub hau 13 nrog lub pob qhov rooj lossis ratchet;
- rab rauj;
- pliers.
Kev rhuav tshem
Txhawm rau kho lossis hloov qhov hloov pauv hloov pauv, lub cardan yuav tsum tau muab tshem tawm ntawm lub tsheb. Nws dismantling yog ua raws li hauv qab no:
- Qhov chaw nres tsheb nres xauv lub log tsheb.
- Plaub bolts ruaj lub cardan rau lub rear gearbox yog unscrewed.Lub rear ib feem ntawm cardan yog txuas mus rau lub rear qag gearbox nrog plaub bolts.
- Unscrew ob lub txiv ntoo ruaj ruaj rau cov kabmob sab nraud rau lub cev.Txhawm rau rhuav tshem cov kabmob sab nraud, tshem tawm ob lub txiv ntoo
- Nrog me ntsis tshuab ntawm rauj, lub ncej yog knocked tawm ntawm splines. Yog tias lub clutch ua haujlwm, nws tsis tas yuav raug tshem tawm.Txhawm rau tshem tawm cov cardan los ntawm splines, koj yuav tsum maj mam tsoo lub ncej nrog rauj
- Cov cim yog siv rau lub universal sib koom tes thiab flange ntawm lub rear qag (notches nrog rauj, ntswj ntsia hlau los yog chisel) kom lawv txoj hauj lwm tsis hloov thaum lub sij hawm tom qab sib dhos. Txwv tsis pub, lub suab nrov thiab kev co yuav tshwm sim.Thaum dismantling, cov cim yog siv rau cardan thiab flange los pab txhawb kev sib dhos tom ntej.
Hloov tus ntoo khaub lig universal
Yog hais tias kev ua si tshwm nyob rau hauv lub hinges, tus ntoo khaub lig yog feem ntau hloov mus rau ib tug tshiab. Qhov tseeb yog tias hnav koob bearings tsis tuaj yeem kho. Lub dismantling ntawm tus ntoo khaub lig tom qab tshem lub cardan yog ua raws li nram no:
- Nrog ib qho tshwj xeeb ruber lossis cov cuab yeej improvised, lawv tshem tawm cov nplhaib tuav uas tuav lub pob khawm hauv cov grooves.Lub khob pob khawm tau tuav hauv qhov zawj los ntawm kev tuav cov nplhaib, uas yuav tsum tau muab tshem tawm thaum dismantling tus ntoo khaub lig.
- Los ntawm kev ntaus nrig ntaus rau ntawm tus ntoo khaub lig nrog rauj, cov iav raug tshem tawm. Cov iav uas tuaj tawm los ntawm kev sib tsoo ntawm lawv lub rooj zaum raug tshem tawm nrog cov pliers.Raws li kev ntaus tus ntoo khaub lig nrog rauj, cov tsom iav tawm ntawm lawv lub rooj zaum
- Cov rooj zaum rau pob khawm yog ntxuav ntawm cov av thiab xeb nrog cov xuab zeb zoo.
- Tus ntoo khaub lig tshiab yog ntsia rau hauv qhov kev txiav txim rov qab.Lub installation ntawm tus ntoo khaub lig tshiab yog ua nyob rau hauv qhov kev txiav txim rov qab.
Video: hloov tus ntoo khaub lig VAZ 2107
Hloov cov kabmob sab nrauv
Yog tias cov kabmob lossis cov roj hmab raug tshem tawm tag lawm, kev hloov pauv tau ua raws li hauv qab no:
- Lub cardan raug tshem tawm ntawm lub tsheb thiab cov ntsaws rau hauv nws qhov nruab nrab yog txiav tawm.Yuav kom nkag tau mus rau lub bearing mounting txiv ntseej, koj yuav tsum tau disconnect lub cardan diav rawg
- Nrog rau qhov tseem ceeb ntawm 27, loosen lub hauv paus txiv ntoo ntawm cov kabmob ntawm tus ncej.Cov kabmob fastening txiv ntoo ntawm lub ncej yog loosened nrog tus yuam sij ntawm 27
- Lub diav rawg yog nias tawm nrog lub ruber, cov txiv ntoo yog unscrewed thiab rab rawg nws tus kheej raug tshem tawm.Txhawm rau rhuav tshem daim cardan diav rawg, siv lub rub tawm tshwj xeeb
- Unscrew ob lub bolts ruaj cov kabmob rau tus tswv cuab ntawm tus ntoo khaub lig. Lub crossbar raug tshem tawm.Txhawm rau tshem tawm cov kabmob tawm sab nraud los ntawm tus tswv cuab ntawm tus ntoo khaub lig, koj yuav tsum tau tshem tawm ob lub bolts
- Ib qho kev txhawb nqa nruab nrab nrog cov kabmob tawm sab nraud yog ntsia rau ntawm qhov chaw (piv txwv li, ntawm lub ces kaum). Cov kabmob yog tsoo nrog lub taub hau.Tom qab ntsia cov kabmob ntawm cov ces kaum hlau, lub cardan ncej yog knocked tawm nrog rauj
- Thaum hloov cov kabmob uas tsis muaj roj hmab, tshem lub nplhaib tuav nrog lub cuab yeej tsim nyog thiab, teeb tsa lub taub hau tsim nyog, tshem tawm cov kabmob nws tus kheej.Thaum hloov cov kabmob uas tsis muaj roj hmab, tshem lub nplhaib tuav thiab khob tawm cov kabmob nws tus kheej
- Kev sib dhos yog nqa tawm hauv qhov kev txiav txim rov qab, tom qab lubricating cov kabmob.
Video: hloov lub outboard bearing VAZ 2107
Saib daim video no hauv YouTube
Cardan sib dhos
Kev sib dhos thiab kev teeb tsa ntawm cardan ncej ntawm VAZ 2107 yog ua nyob rau hauv qhov kev txiav txim rov qab. Ua li no, koj yuav tsum tau xyuam xim rau cov ntsiab lus tseem ceeb hauv qab no:
- Thaum kho cov kabmob tawm sab nraud, ua ntej txhim kho lub diav rawg, kev sib txuas spline thiab rab rawg nws tus kheej yuav tsum tau lubricated. Litol yog qhov zoo tshaj plaws rau qhov no.
- Lub diav rawg fastening txiv ntoo yuav tsum tau nruj nrog ib tug torque ciaj ntswj nrog ib tug torque ntawm 79,4-98 Nm. Tom qab ntawd, cov txiv ntseej yuav tsum tau kho nrog ib tug hlau adapter.Lub bearing txiv ntseej yog nruj nrog ib tug torque ciaj ntswj.
- Tom qab txhim kho lub caj pas caj pas thiab lub caj pas nws tus kheej, nrog rau lub flange ntawm kev sib txuas spline, lub tawb yuav tsum tau kho los ntawm khoov lub kav hlau txais xov nrog lub hau ntswj.Txhawm rau txhim kho lub tawb ntawm tus ncej, koj yuav tsum khoov lub kav hlau txais xov nrog lub hau ntswj tsim nyog
- Lub spline txuas ntawm lub hauv ntej ncej yuav tsum tau lubricated nrog ib tug tshwj xeeb syringe. Rau qhov no, nws raug nquahu kom siv "Fiol-1" thiab "Shrus-4". Cov ntoo khaub lig lawv tus kheej yog lubricated nrog tib syringe.Siv ib tug syringe, lub splined sib koom yog lubricated
- Tom qab kev txhim kho cov pob khawm nrog lub tiaj tus ntsuas ntsuas, nws yuav tsum tau kuaj xyuas qhov sib txawv ntawm lub khob ntawm txhua tus bearings thiab qhov zawj rau lub nplhaib snap. Qhov sib txawv yuav tsum nyob nruab nrab ntawm 1,51 thiab 1,66 hli.Nruab nrab ntawm txhua lub khob ntim thiab qhov zawj rau lub nplhaib tuav, xyuas qhov sib txawv, tus nqi yuav tsum yog 1,51-1,66 hli
- Tom qab txhim kho cov nplhaib tuav, ntaus cov nkhaus ntawm cov ntoo khaub lig nrog rauj ob peb zaug los ntawm ntau sab.
- Lub flange pem hauv ntej thiab sab nraub qaum ntawm lub gimbal yuav tsum tau txuas nrog lub zog sib txuas thiab lub rear gearbox, feem.Sab pem hauv ntej ntawm cardan yog txuas nrog elastic coupling nrog peb bolts.
Thaum sib dhos, nws raug nquahu kom lubricate tag nrho cov kev sib txuas bolted. Qhov no yuav ua rau kev kho kom yooj yim dua yav tom ntej.
Sib npaug cardan VAZ 2107
Yog tias kev vibration tshwm sim vim qhov tsis sib xws ntawm cardan ncej, nws yuav tsum tau sib npaug. Nws yog teeb meem ua qhov no ntawm koj tus kheej, yog li lawv feem ntau tig mus rau kev pabcuam tsheb. Ntsuas lub cardan raws li nram no.
- Lub cardan ncej yog ntsia rau ntawm lub tshuab tshwj xeeb, uas muaj ntau qhov ntsuas ntsuas.
- Ib qho hnyav yog txuas rau ib sab ntawm gimbal thiab sim dua.
- Cov kev txwv ntawm cardan yog ntsuas nrog qhov hnyav txuas rau sab nraud.
- Ncej tig lub ncej 180˚ thiab rov ntsuas qhov ntsuas.
Cov txiaj ntsig tau ua rau nws muaj peev xwm sib npaug ntawm cardan los ntawm kev sib tsoo qhov hnyav rau hauv qhov chaw txiav txim siab los ntawm cov txiaj ntsig ntawm kev ntsuas. Tom qab ntawd, qhov nyiaj tshuav rov qab kuaj dua.
Video: cardan balancing
Saib daim video no hauv YouTube
Craftsmen txiav txim siab yuav ua li cas sib npaug ntawm cardan VAZ 2107 nrog lawv tus kheej txhais tes. Cov txheej txheem yog raws li nram no:
- Lub cardan ncej yog conditionally muab faib ua plaub qhov sib npaug, tom qab tsav tsheb mus rau hauv lub qhov dej los yog overpass.
- Ib qhov hnyav txog 30 g yog txuas rau thawj feem ntawm cardan thiab kuaj.
- Lawv tsav tawm mus rau hauv txoj kev nrog lub ntsej muag du thiab xyuas seb qhov kev vibration tau txo qis lossis nce ntxiv.
- Cov kev ua yog rov ua dua nrog ib qho hnyav txuas rau lwm qhov ntawm gimbal.
- Tom qab txiav txim siab qhov teeb meem ntawm cardan, qhov hnyav ntawm qhov hnyav yog xaiv. Ua li no, lub tsheb raug sim ntawm kev mus nrog qhov hnyav ntawm qhov sib txawv. Thaum lub vibration ploj, qhov hnyav yog welded rau cardan.
Obviously, nws yuav tsis muaj peev xwm ua kom tiav siab ntsuas qhov tseeb nyob rau hauv ib tug pej xeem txoj kev.
Kev kho ntawm VAZ 2107 driveline tsis yog qhov nyuaj tshwj xeeb txawm rau cov tswv tsheb tsis muaj kev paub. Txhua yam koj xav tau yog lub siab xav, lub sijhawm pub dawb, yam tsawg kawg nkaus ntawm cov cuab yeej locksmith thiab ua tib zoo ua raws li cov lus qhia ntawm cov kws tshaj lij.