Yog hais tias lub tshuab txiav nyom yuav tsis pib, sputters lossis haus luam yeeb, lub carburetor qias neeg yog tus txhaum. Yog tias koj muaj kev txawj tsav tsheb tag nrho, koj tuaj yeem daws qhov teeb meem koj tus kheej. Phau ntawv qhia no piav qhia yuav ua li cas ntxuav lub carburetor ntawm lub tshuab petrol lawnmower.
Kuv yuav ntxuav kuv lub tshuab txiav nyom li cas?
Txhawm rau ntxuav lub lawnmower lub carburetor, koj yuav xav tau cov khoom siv kho, lub tshuab nqus tsev ntxhua khaub ncaws lossis cov dej ntxhia, cua compressed, rags thiab cov cuab yeej. Tshem tawm cov carburetor, tsau txhua qhov chaw thiab ntxuav cov dav hlau thiab cov kab nrog cua compressed. Qhuav thiab sib sau ua ke lub carburetor ua ntej kho nws qhov chaw.
Material Requirement and Tools
Txawm hais tias tus qauv tshwj xeeb ntawm lub carburetor nyob ntawm tus qauv txiav nyom, kev tu yuav tsum tau ua tib yam nkaus. Cov kws tsim khoom lag luam muaj peev xwm muab cov khoom siv kho rau ua-nws-koj tus kheej nrog txhua yam khoom tseem ceeb, xws li cov ntsaws ruaj ruaj thiab O-rings. Thov muab cov ntaub ntawv thiab cov cuab yeej hauv qab no:
- Lawnmower carburetor kho khoom siv (€ 10.00 ntawm Amazon)
- Carburetor ntxuav lossis ntxhia dab
- Compressed cua qhov chaw
- rag
- Vat lossis lub thoob loj
- Screwdriver, torque wrench
Yog tias cov chaw tsim khoom ntawm koj lub tshuab txiav nyom tsis muab cov khoom siv kho, yuav cov khoom seem uas tsim nyog, xws li cov hlua khi, los ntawm cov khw muag khoom uas nyob ze tshaj plaws.
Cov lus qhia ib ntus - Yuav ua li cas ntxuav lub carburetor
Thawj rub tawm lub txim plug cable. Rau kev ceev faj, khaws lub cable kom zoo nyob deb ntawm lub qhov hluav taws xob. Tom qab ntawd tshem lub lim cua thiab tua cov roj kais. Ntawm cov cav tsis muaj roj valve, cov roj kab yog qhov zoo tshaj plaws clamped siv lub clamp. Yuav ua li cas mus ntxiv:
- Loos lub mounting screws thaum lub carburetor tseem txuas nrog tus tswj ceev
- Yog tias koj muaj teeb meem, xyuas cov haujlwm ntawm cov ntsia hlau ntsia hauv phau ntawv
- Tsis txhob tshem tus tswv xeev ceev kom txog thaum lawv txoj haujlwm tau raug cim
- Filling mineral spirits into a tub
- Soak lub carburetor thiab tag nrho cov yas thiab hlau hauv nws
- Xwb, rub lossis tshuaj tsuag cov khoom nrog carburetor tu tus neeg saib xyuas
Thaum lub lawnmower carburetor yog tsau, kho nozzles thiab kab nrog compressed cua kom tshem tawm cov khib nyiab. Lub tshuab lim cua thiab lub tshuab hluav taws xob yuav tsum tau muab ntxuav rau lub sijhawm no. So cov carburetor thiab cov khoom seem uas tsis muaj zog kom qhuav nrog ib daim ntaub huv. Thov hloov qhov puas los yog hnav.
Nruab thiab kho cov carburetor - qhov no yog nws ua haujlwm li cas
Nruab lub carburetor huv si thiab huv si cua lim, reconnect lub txim plug cable rau lub txim plug thiab qhib lub roj kais. Thov xa mus rau cov chaw tsim khoom cov lus qhia ua haujlwm kom nkag siab txog qhov tseeb ntawm cov khoom. Hauv cov kauj ruam kawg ntawm kev ntxuav, koj hloov kho lub carburetor. Nov yog qhov nws ua haujlwm:
- Pob lawnmower
- Cia nws khiav ob peb feeb kom lub cav sov so
- Tig rau hauv cov ntsia hlau kho kom tswj lub cav ceev 1 mus rau 1 1/2 lem
- Engine speeds
- Kho qhov idle mix adjustment ntsia hlau kom lub cav khiav zoo thiab sib npaug
Thaum kawg, lub cav ceev yog qhov zoo-tuned rau lub zoo meej idle speed. Qhov zoo tshaj plaws, koj muaj tachometer rau ntsuas lub cav nrawm muaj rau lub hom phiaj no. Qhov zoo tshaj qhov tseem ceeb nyob nruab nrab ntawm 1200 rpm rau lub cav nrog lub tog raj kheej cam khwb cia hlau mus txog 1750 rpm rau lub cav nrog lub tog raj kheej txhuas.
Tip
A carburetor nyob twj ywm huv si ntev dua yog tias koj pib lub tshuab txiav nyom kom raug. Thaum lub cav tau sov so, cov roj yuav tsum tau siv lub tshuab throttled (choke). Txwv tsis pub, cov teeb meem deposits yuav tsim nyob rau hauv lub carburetor thiab lwm yam Cheebtsam vim tsis yog tag nrho cov roj av raug hlawv.
