Mokhoa oa ho hlahloba valve ea ho hloekisa ka multimeter
Tse ka hare
Sephahla sa ho hloekisa ke sesebelisoa se nang le litšobotsi tsa sona.
Ho fapana le likarolo tse ling tsa enjene ea hau, ho nka nako e telele hore mechini e e bontše ha mathata a hlaha.
Ka mokhoa o makatsang, ena ke e 'ngoe ea likarolo tse bonolo ho etsa liteko.
Ho na le mekhoa e mengata e ka sebelisoang, leha ho le joalo batho ba bangata ha ba tsebe hore na ba etse eng.
Sehlooho sena se akaretsa ntho e 'ngoe le e' ngoe eo ue hlokang ho tseba ka valve ea ho hloekisa, ho kenyelletsa le hore na e sebetsa joang le mekhoa e fapaneng ea ho e hlahloba ka multimeter.
Ha re qaleng.
Belofo ea ho hloekisa ke eng?
The purge valve ke karolo ea bohlokoa ea mekhoa ea sejoale-joale ea Evaporative Emissions Control (EVAP) e thusang ho ntlafatsa ts'ebetso ea mafura le ho fokotsa mesi.
Nakong ea mollo, valve ea ho hloekisa ea EVAP e thibela mouoane oa mafura hore o se ke oa phonyoha sepakapakeng ka ho o boloka ka har'a canister ea mashala.
Hang ha motlakase oa motlakase oa motlakase (PCM) o romela letšoao ho valve ea ho hloekisa, mouoane ona oa mafura o lelekoa ka enjene bakeng sa ho tuka, o sebetsa e le mohloli oa bobeli oa mafura.
Ka ho etsa joalo, PCM e tiisa hore valve ea ho hloekisa e bula le ho koala ka nako e nepahetseng ho lokolla palo e nepahetseng ea mouoane oa peterole ka enjene.
Mathata a ho hloekisa valve
The purge valve e ka ba le liphoso tse 'maloa.
- Hlakola valve e koetsoe
Ha valve ea ho hloekisa e khomarela sebakeng se koetsoeng, ho fosahala le bothata ba ho qala enjene.
Leha ho le joalo, PCM e lemoha bothata bona habonolo 'me mabone a enjene a tla ka dashboard ea koloi.
- Purge valve e lutse e bulehile
Ha valve ea ho hloekisa e khomarela sebakeng se bulehileng, ho ke ke ha khoneha ho laola bongata ba mouoane oa mafura o lahleloa ka har'a enjene.
E boetse e etsa hore enjene e sebetse hampe le bothata ba ho qala, 'me ho thata ho lemoha hobane koloi e ntse e tsoela pele ho matha.
- Bothata ba terminal ea motlakase
Ho ka 'na ha e-ba le mathata ka li-terminals tsa motlakase tse li hokahanyang le PCM.
Sena se bolela hore ha ho e-na le ho se sebetse hantle, valve ea ho hloekisa ha e fumane boitsebiso bo nepahetseng ho PCM ho etsa mesebetsi ea eona.
Multimeter e thusa ho etsa liteko tse nepahetseng ho sena hammoho le liteko ho likarolo tse ling tsa koloi.
Mokhoa oa ho lekola Valve ea Purge ka Multimeter (Mekhoa e 3)
Ho lekola valve ea ho hloekisa, beha mohala oa li-multimeter ho li-ohms, beha li-lead tsa tlhahlobo holim'a li-terminal tsa motlakase tsa purge, 'me u hlahlobe ho hanyetsa pakeng tsa li-terminals. Ho bala ka tlase ho 14 ohms kapa ka holimo ho 30 ohms ho bolela hore valve ea ho hloekisa e fosahetse 'me e hloka ho nkeloa sebaka..
Hase tsohle, hammoho le mekhoa e meng ea ho hlahloba hore na valve ea ho hloekisa e boemong bo botle kapa che, 'me re tla fetela ho bona hona joale.
Mokhoa oa 1: Hlahloba ho Tsoela Pele
Bongata ba li-valve tsa ho hloekisa ke solenoid, 'me tlhahlobo ea ho tsoelapele e thusa ho netefatsa hore khoele ea tšepe kapa ea koporo e tlohang ho positive terminal ho ea ho e fosahetseng e ntle.
Haeba coil ena e fosahetse, valve ea ho hloekisa e ke ke ea sebetsa. Ho etsa tlhahlobo ena, latela mehato ena.
- Tlosa valve ea ho hloekisa koloing
E le hore u be le mokhoa o nepahetseng oa ho fumana valve ea ho hloekisa 'me u hlahlobe ho tsoela pele, u tlameha ho e tlosa koloing.
Pele u etsa sena, etsa bonnete ba hore koloi e koetsoe bonyane metsotso e 30.
Hakolla valve ea ho hloekisa ka ho khoasolla lithapo tsa liphaephe tse kenang le tsa ho tsoa, hammoho le ho li hakolla setsing sa motlakase.
Hose e kenang e tsoa tanka ea mafura 'me hose ea ho tsoa e ea enjene.
- Beha multimeter ho mokhoa o tsoelang pele
Beha mohala oa multimeter ho mokhoa o tsoelang pele, oo hangata o emeloa ke letšoao la "sound wave".
Ho hlahloba hore na mokhoa ona o behiloe ka nepo, beha li-multimeter probes tse peli holim'a tse ling 'me u tla utloa molumo oa molumo.
- Beha li-probe tsa multimeter ho li-terminals
Hang ha multimeter ea hau e se e hlophisitsoe ka nepo, u beha feela li-probe li-terminals tsa motlakase tsa purge valve.
- Reita liphetho
Hona joale, haeba multimeter e sa lla ha u tlisa li-probe ho li-terminals tsa matla, joale coil e ka hare ho valve ea ho hloekisa e senyehile 'me valve eohle e hloka ho nkeloa sebaka.
Haeba multimeter e lla, fetela litekong tse ling.
Mokhoa oa 2: Teko ea ho hanyetsa
Sephahla sa ho hloekisa se ka 'na sa se ke sa sebetsa hantle hobane khanyetso pakeng tsa li-terminals tse ntle le tse mpe e tlaase haholo kapa e phahame haholo.
Multimeter e tla boela e u thuse ho hlahloba ka ho latela mehato ena.
- Tlosa valve ea ho hloekisa koloing
Joalo ka tlhahlobo ea ho tsoela pele, o khaola valve ea ho hloekisa ka ho felletseng koloing.
U qhaqha li-clamp hape u arola valve ho theminale ea motlakase.
- Beha multimeter ea hau ho ohms
Ho lekanya ho hanyetsa ha valve ea hau ea ho hloekisa, u beha mohala oa multimeter ho ohms.
Hangata sena se bontšoa ke letšoao la omega (Ω) ho multimeter.
Ho netefatsa hore e behiloe ka nepo, multimeter e lokela ho bonts'a "OL" e bolelang "loop e bulehileng" kapa "1" e bolelang ho bala ho sa feleng.
- Boemo ba li-multimeter probes
Beha feela li-multimeter lead ho li-terminals tsa motlakase tsa purge valve.
- Reita liphetho
Sena ke seo u se ela hloko. Ho lebeletsoe hore valve e ntle ea ho hloekisa e be le khanyetso ea 14 ohms ho 30 ohms, ho itšetlehile ka mohlala.
Haeba multimeter e bontša boleng bo ka holimo kapa ka tlaase ho moeli o loketseng, joale valve ea hau ea ho hloekisa e fosahetse 'me e hloka ho nkeloa sebaka.
Haeba boleng bo oela ka har'a moeli ona, joale tsoela pele ho mehato e meng.
Multimeter ha e hlokehe bakeng sa mehato ena e meng, empa e na le thuso bakeng sa ho hlahloba mathata a bulehileng kapa a koetsoeng.
Mokhoa oa 3: tlhahlobo ea mochini
Liteko tsa ho tobetsa mochini li kenyelletsa tlhahlobo ea ho tobetsa li-valve tsa purge le tlhahlobo ea vacuum ea purge valve.
Hlakola Valve Click Test
Ho hlahloba li-clicks tsa purge valve ho thusa ho tseba bothata bo koetsoeng.
Ka tloaelo, ha enjene e ntse e sebetsa, ho romelloa lets'oao ho valve ea ho hloekisa lihokelong tse bohareng ho bula le ho lumella mouoane oa mafura ho kena.
Ho na le molumo oa ho tobetsa nako le nako ha valve e bula 'me sena ke seo u batlang ho se hlahloba.
Ho etsa tlhahlobo e bonolo, latela mehato ena.
Hang ha valve ea ho hloekisa e khaotsoe koloing ea hau, e kopanye le matla ka ho e hokahanya le beteri ea koloi feela. Ke tlhophiso e bonolo 'me sohle seo u se hlokang ke likotoana tsa alligator, betri ea 12 volt le litsebe tsa hau.
Beha likotoana tse peli tsa alligator ho terminal e 'ngoe le e' ngoe ea motlakase ea valve ea hau ea ho hloekisa 'me u behe karolo e 'ngoe ea likotoana ka bobeli ho e 'ngoe ea lipehelo tsa betri. Sena se bolela hore sekotwana se le seng sa alligator se ea setsing sa betri se setle 'me se seng se ea ho se fosahetseng.
Valve e ntle ea ho hloekisa e etsa molumo o tobang ha li-clamp li hokahane hantle. Joalokaha ho boletsoe pejana, molumo oa ho penya o tsoa ho buloa ha valve ea ho hloekisa.
Mokhoa ona o bonolo, 'me haeba o bonahala o ferekanya, video ena e khutšoanyane e bontša hantle mokhoa oa ho etsa tlhahlobo ea ho penya valve ea purge.
Hlakola Vacuum Test
Teko ea vacuum ea purge valve e thusa ho tseba bothata bo bulehileng ba thupa.
Haeba valve ea ho hloekisa e lutla, e ke ke ea etsa mosebetsi oa eona oa ho fana ka mouoane o nepahetseng oa mafura enjeneng.
Sesebelisoa se seng hape seo u tla se hloka ke pompo ea vacuum e tšoaroang ka letsoho.
Mohato oa pele ke ho hokela pompo ea vacuum koung eo mouoane oa mafura o tsoang ka eona enjeneng.
U hloka hose ea pompo ea vacuum hore e be lipakeng tsa lisenthimithara tse 5 ho isa ho tse 8 hore e lekane hantle.
Hang ha hose e hokahantsoe ka nepo, bulela pompo ea vacuum 'me u hlahlobe hore khatello e pakeng tsa 20 le 30 Hg. 30 rt. Art. e emela vacuum e loketseng 'me ke khatello e phahameng ka ho fetesisa ea vacuum (e pota-potiloeng ho tloha ho 29.92 Hg).
Ema metsotso e 2-3 'me u shebe ka hloko khatello ea vacuum holim'a pompo.
Haeba khatello ea vacuum e theoha, valve ea ho hloekisa e ea lutla 'me e hloka ho nkeloa sebaka. Haeba ho se joalo, joale ha ho na ho lutla ha valve ea ho hloekisa.
Haeba khatello e sa fokotsehe, o ka nka mohato o mong hape - hokela valve ea ho hloekisa mohloling oa matla, joalo ka betri ea koloi, e le hore e bulehe.
Hang ha u utloa ho tobetsa ho supa ho buloa ha valve, u lebelletse hore khatello ea vacuum e theohele ho zero.
Haeba sena se etsahala, valve ea ho hloekisa e ntle.
Na u hloka ho khutlisa valve ea ho hloekisa?
Ho hlahloba valve ea ho hloekisa ho bonolo haholo. U ka sebelisa multimeter ho lekola ho tsoela pele kapa ho hanyetsa lipakeng tsa li-terminals, kapa u etsa liteko tsa mochini bakeng sa ho tobetsa melumo kapa vacuum e nepahetseng.
Haeba e 'ngoe ea tsena e hloleha, joale unit e tlameha ho nkeloa sebaka.
Litšenyehelo tsa ho khutlisa li tloha ho $100 ho isa ho $180, tse kenyelletsang le litšenyehelo tsa basebetsi. Leha ho le joalo, u ka boela ua nkela valve ea ho hloekisa sebaka ka boeena haeba u tseba ho tsamaea hantle.
Lipotso tse atisang ho botsoa
Ke tseba joang haeba valve ea ka ea ho hloekisa e lutse e butse?
Haeba valve ea ho hloekisa e lutse e bulehile, enjene ea tsoelipana, ha e sebetse hantle, e mahoashe, kapa e thata ho bulela koloi. Sena se bakoa ke taba ea hore mouoane o feteletseng oa mafura o fanoa enjeneng.
Ho etsahala'ng haeba valve ea ho hloekisa e ka khomarela sebakeng se koetsoeng?
Ha valve ea ho hloekisa e koala, enjene e tla be e sa sebetse, enjene e tla ba le bothata ba ho qala, kapa lebone la enjene le tla tima. Sena se potlakile ho lemoha ho feta ha valve ea ho hloekisa e khomaretsoe sebakeng se bulehileng.
Ho hanyetsa ha valve ea ho hloekisa ke eng?
Ho hanyetsa ha valve e ntle ea ho hloekisa ho pakeng tsa 14 ohms le 30 ohms. Sena se fapana ho ea ka mohlala mme boleng leha e le bofe bo ka tlase kapa ka holimo ho sebaka sena se bontša ho hlōleha ha valve ea ho hloekisa.
Na valve ea purge e lokela ho tobetsa?
E, valve e sebetsang ea ho hloekisa e tobetsa ha e hokahane le mohloli oa matla. Sena se bolela hore e bula monyetla oa ho lokolla mouoane oa mafura ho tloha ka har'a canister ea mashala ebe o fana ka eona ho enjene.
Na valve ea ho hloekisa e ka hloekisoa?
U ka hloekisa valve ea ho hloekisa ntle le ho e bula ka ho fafatsa carburetor cleaner kapa MAF ka har'a likoung tsa ho kenya le ho ntša metsi. Koala mahlakore ka bobeli, fa valve e sisinyeha hantle 'me u tlohele maloanlahla a tsoe.
