Pampu ya petulo Vaz 2107: cholinga, zosokoneza ndi kukonza
Zamkatimu
Pampu yamafuta ya Zhiguli yapamwamba ndi imodzi mwazofooka zamagalimoto awa. Makinawa amachititsa mavuto ambiri kwa eni galimoto, zomwe zimawonekera makamaka nyengo yotentha. Ngati pali mavuto ndi pampu yamafuta, muyenera kudziwa zomwe zimayambitsa zomwe zimachitika komanso momwe mungawathetsere.
Mafuta mpope carburetor VAZ 2107
Imodzi mwamakina amagetsi amagetsi aliwonse ndi pampu yamafuta. Kuyamba ndi kugwira ntchito kwa gawo la mphamvu mwachindunji kumadalira momwe amachitira. Mapampu amafuta amtundu wa diaphragm DAAZ 2101 adayikidwa pa carburetor "zisanu ndi ziwiri" Komabe, nthawi zambiri amayambitsa mavuto kwa eni ake a Zhiguli. Choncho, m'pofunika kuganizira kwambiri za ntchito ndi malfunctions a mfundo imeneyi.
Ntchito zazikulu
Ntchito ya pampu yamafuta ndikupereka mafuta kuchokera ku tanki kupita ku carburetor.
Mapangidwe a msonkhano siangwiro, choncho ndi chimodzi mwa mfundo zofooka m'galimoto. Izi zikufotokozedwa ndi mfundo yakuti zotsatira za katundu wokhazikika ndi khalidwe loipa la petulo zimatsogolera ku kuvala kwachilengedwe kwa zinthu. Izi ndi zomwe zimapangitsa kuti chipangizochi chilephereke. Ngati pali vuto ndi mpope, injini imayamba kugwira ntchito pang'onopang'ono kapena kusiya kugwira ntchito palimodzi.
Kupanga ndi momwe amagwirira ntchito
Makinawa amapangidwa ndi magawo angapo olumikizidwa ndi zomangira. Kumtunda kwa thupi pali zida ziwiri zomwe mafuta amaperekedwa ndikuponyedwa mu carburetor. Kapangidwe kameneka kamapereka chiwongolero chomwe chimakulolani kupopera mafuta pamanja kuchokera ku tanki kupita kumafuta, omwe ndi ofunikira pambuyo poyimitsa galimoto yayitali. Zinthu zazikulu za node ndi:
- wokankha;
- kasupe;
- kulinganiza;
- chivindikiro;
- chophimba chophimba wononga;
- wononga;
- mesh fyuluta;
- nembanemba (ntchito ndi chitetezo);
- pansi ndi pamwamba mbale;
- katundu;
- ma valve (kulowetsa ndi kutuluka);
- manual lift lever.Mapangidwe a pampu yamafuta: 1 - chitoliro chotulutsa; 2 - fyuluta; 3 - thupi; 4 - chitoliro choyamwa; 5 - chivundikiro; 6 - valavu yoyamwa; 7 - katundu; 8 - chitsulo chopopera mafuta pamanja; 9 - masika; 10 - kamera; 11 - balancer; 12 - makina opangira mafuta lever; 13 - chivundikiro chapansi; 14 - spacer mkati; 15 - spacer wakunja; 16 - valve yotulutsa
Mfundo yogwiritsira ntchito pampu ya petulo yapamwamba imakhazikitsidwa pakupanga kukakamiza kofunikira kuti musunge mafuta ofunikira mu chipinda cha carburetor. Chifukwa cha diaphragm, kutuluka kwa petulo kumayima kapena kutsika pamene mphamvu yochepetsera mphamvu imayikidwa mu mzere wa mafuta. Pa carburetor "zisanu ndi ziwiri" pampu yamafuta ili pansi pa hood kumanzere kwa chipika cha silinda. Zimakhazikitsidwa pazitsulo ziwiri kudzera mu spacer yotentha ndi gaskets, zomwe zimagwiritsidwanso ntchito kusintha. The spacer ndi kalozera pa mpope ndodo.
Chipangizochi chimagwira ntchito motere:
- pompopompo imayendetsedwa ndi makina oyendetsa galimoto omwe akugwira ntchito kuchokera ku makina ogawa gasi;
- nembanemba mkati pa mpope mafuta kusuntha ndi kupanga kupanikizika ndi vacuum motsatana mu chipinda;
- ngati kuthamanga kutsika, valavu yotuluka imatseka ndipo mafuta amalowa kudzera mu valve yolowera;
- pamene kupanikizika kumakwera, valavu pa polowera pampu imatseka, ndipo mafuta amaperekedwa kudzera mu payipi kupita ku carburetor.
Pampu yamafuta iti yomwe ili yabwinoko
Pampu yamafuta ikasokonekera, funso limadza nthawi zambiri posankha chipangizo chatsopano. eni Zhiguli makamaka amakonda mankhwala opanga awiri: DAAZ ndi Pekar. Ngati pali mavuto ndi makina a fakitale, mwachitsanzo, pamene akuwotcha, ambiri amasintha ku njira yachiwiri, kufotokoza kuti mapampu a Pekar alibe chizolowezi chopanga chitsekerero cha nthunzi, chomwe chimayambitsa zolakwika mu chipangizocho nyengo yotentha. Ndipotu, maganizo amenewa ndi olakwika, chifukwa iwo ali ndi vuto, monga umboni ndi ndemanga zambiri za eni galimoto. Tiyeneranso kukumbukira kuti Pekar amawononga 1,5-2 kuposa DAAZ. Choncho, pampu wamba wamafuta ndiye chisankho chabwino kwambiri potengera kudalirika, mtengo ndi mtundu. Mtengo wa pampu ya fakitale ndi ma ruble 500-600.
Table: magawo a mapampu amafuta ochokera kwa opanga osiyanasiyana a "classic"
Zotsatira za mayeso | "Baker" | DAAZ | QH | OTA |
Ziro chakudya kuthamanga (pa crankshaft liwiro 2 zikwi rpm), kgf / cm² | 0,26 | 0,28 | 0,3 | 0,36 |
Zopanga pa kukhetsa kwaulere (pa liwiro la crankshaft 2 rpm), l/h | 80 | 76 | 92 | 74 |
Nthawi yoyamwa pa liwiro crankshaft 2 rpm, s | 4 | 13 | 9 | 6 |
Kuthina kwa mavavu pa kuthamanga kwa 0,3 kgf/cm² (mafuta atuluka mkati mwa mphindi 10), cm³ | 8 | 12 | 8 | 8 |
malo | 3 | 4 | 1-2 | 1-2 |
Mapampu a QH amapangidwa ku UK, pomwe mapampu a OTA amapangidwa ku Italy. Komabe, zida izi zili ndi zinthu zina: pampu ya QH ilibe chotchingira chopopera mafuta pamanja, ndipo nyumbayo imapangidwa kuti ikhale yosasiyanitsidwa. Makina a ku Italy ali ndi magawo abwino kwambiri poyerekeza ndi ena, koma mtengo wake ndi pafupifupi nthawi 3 kuposa zinthu zaku Russia.
Zizindikiro za vuto la pampu yamafuta
Munthu wokonda galimoto, wodziwa zambiri, angadziŵe kulephera kwa galimoto yake mwa khalidwe lake kapena ndi mawu omveka. Izi zikugwiranso ntchito ku mpope wamafuta. Ngati kudziwa sikukwanira, ndiye kuti muyenera kuganizira zizindikiro zotsatirazi zomwe zikuwonetsa mavuto ndi mpope wamafuta:
- injini sikuyamba;
- injini imakhala nthawi zonse;
- mphamvu ndi mphamvu za galimoto zimachepetsedwa.
Komabe, ziyenera kukumbukiridwa kuti mphamvu imathanso kuchepa pazifukwa zina zingapo: mavuto ndi mphete za pistoni, ma valve, ndi zina zotero. Ngati pampu yamafuta ili yolakwika kwathunthu, injiniyo sichitha kuyamba.
Pompo yamafuta osapopa
Pakhoza kukhala zifukwa zingapo zomwe chipangizocho sichimapereka mafuta. Musanayambe kuthetsa mavuto, muyenera kuonetsetsa kuti mu thanki muli mafuta. Zimachitika kuti sensa ya mulingo ikuwonetsa molakwika ndipo vuto limabwera chifukwa chosowa mafuta. Muyeneranso kuwonetsetsa kuti zinthu zosefera sizinatseke, koma ndi bwino kuzisintha, chifukwa ndizotsika mtengo. Pambuyo pazimenezi, mukhoza kupita ku matenda.
Zifukwa za zovuta zitha kukhala:
- kuvala chifukwa cha mtunda wautali;
- kuwonongeka kwa diaphragm;
- kusakwanira kwa kasupe kuuma chifukwa cha kutambasula;
- kuipitsidwa kwa valve;
- kulephera kwa chisindikizo.
Ngati pampu ya gasi pa "zisanu ndi ziwiri" sizipereka mafuta, ndiye kuti pali njira ziwiri zochotsera izi: kukhazikitsa chipangizo chatsopano kapena kusokoneza chakale, kuzindikira ndikusintha magawo owonongeka.
Kanema: Pampu yamafuta ya VAZ siyipopera
Amasiya kupopa kutentha
Imodzi mwa mavuto a tingachipeze powerenga "Lada" ndi kutenthedwa kwa mpope mafuta, zomwe zimabweretsa kuphwanya ntchito yake - basi kusiya kupopera. Vutoli limachitika chifukwa chopanga chotsekera cha nthunzi, chomwe chimatsekereza kutulutsa mafuta. Pali njira zingapo zothetsera vutoli: kuthira madzi pampopu yozizira kapena kukwera ndi chiguduli chonyowa. Njirazi zimagwiritsidwa ntchito pazovuta, koma osati zogwiritsidwa ntchito tsiku ndi tsiku. Vutoli limathetsedwa mwa kusintha pampu yamafuta pogwiritsa ntchito ma gaskets, m'malo mwa ndodo, m'malo mwa msonkhano womwewo, kapena kugwiritsa ntchito mafuta abwino.
Kuyang'ana pampu yamafuta
Ngati pali kukayikira kapena zizindikiro za kulephera kwa mpope wamafuta, makinawo ayenera kufufuzidwa. Kuti muchite izi, chitani zotsatirazi:
- Masulani payipi achepetsa amene amapereka mafuta kwa kabureta, ndiyeno kukoka payipi pa koyenera. Mafuta amatuluka mumphuno, choncho ndi bwino kutsitsa m'mphepete mwake mu chidebe chopanda kanthu.Timamasula chotchinga ndikumangitsa payipi yomwe imapereka mafuta ku carburetor
- Timayesa kupopera mafuta pamanja ndi lever.Lever pamanja ikuyesera kupopa mafuta
- Mafuta amafuta opanikizika amayenera kuyenderera kuchokera ku kolowera. Ngati mapampu apompopompo, ndiye kuti akhoza kuonedwa kuti ndi othandiza. Apo ayi, timapitiriza matenda.
- Masulani chotsekereza ndikuchotsa payipi panjira yolowera pampopi yamafuta.Timamasula chotchinga ndikukoka payipi yamafuta kuchokera ku tanki yamafuta
- Timakanikizira cholowera ndi chala chathu ndikuchipopera. Ngati vacuum imamveka (chala chikuyamwa), ndiye kuti ma valve a pampu akugwira ntchito. Ngati sizili choncho, msonkhanowo uyenera kukonzedwa kapena kusinthidwa.
Pampu yamafuta amafuta
Pampu yamafuta VAZ 2107 imayendetsedwa ndi pusher (ndodo) ndi eccentric yomwe ili patsinde la zida zothandizira ("nkhumba", shaft yapakatikati), yomwe imayendetsedwa ndi makina anthawi kudzera mugiya. Zida zothandizira zimaphatikizapo zogawa, mafuta ndi mapampu amafuta.
Mfundo yogwirira ntchito
Drive imagwira ntchito motere:
- tsinde lapakati limazungulira kudzera mu unyolo wanthawi;
- eccentric amachita pa ndodo ndikukankhira iyo;
- ndodoyo imakankhira pampu ya mafuta, kuonetsetsa kuti ikugwira ntchito.
Kuwonongeka kwa pampu yamafuta
Pamene gawo loperekera mafuta likutha, zovuta zimatheka zomwe zimakhudza momwe zimagwirira ntchito.
Kuvala ndodo
Chizindikiro chachikulu cha chitukuko cha katundu - galimoto sikulitsa liwiro lofunika. Ngati galimotoyo ikufulumira, koma, itapeza liwiro lamtengo wapatali, sichikulitsanso, chifukwa chake ndi kuvala kwa ndodo. Posachedwapa, pusher amapangidwa ndi chitsulo chotsika kwambiri chomwe chimatsogolera ku chitukuko cha 500-1000 km. Mphepete mwa tsinde kumbali ya eccentric imangotuluka, zomwe zimasonyeza kufunika kosintha gawolo.
Ndodo yopopera mafuta iyenera kukhala ndi kutalika kwa 82,5 mm.
Kukonza pampu yamafuta
Kuti musinthe kapena kukonzanso mpope, iyenera kuchotsedwa mu injini. Za zida zomwe mudzafunikira:
- 13 mm kiyi;
- crosshead screwdriver.
Kuchotsa pompa mafuta
Timachotsa node motere:
- Pukutani mpope ndi chiguduli.
- Timadula ma hoses onse awiri (polowera ndi potuluka) pomasula zingwe ndi screwdriver.
- Timakoka ma hoses kuchokera pazitsulo.Titamasula zomangirazo, timakoka mapaipi onse awiri kuchokera pamiyendo yamafuta
- Pogwiritsa ntchito wrench 13 mm kapena mutu wokhala ndi chowonjezera, masulani mtedza wa 2 wokhazikika.Timamasula zomangira za pampu yamafuta ndi wrench ya 13 mm
- Chotsani bwino pampu yamafuta.Chotsani mpope wamafuta pamipando
Ngati ndodoyo ikufunika kusinthidwa, ndiye ingochotsani ku spacer yoteteza kutentha ndikusintha kukhala yatsopano.
Kusokoneza
Kuti mutsegule pampu yamafuta, muyenera kukonzekera:
- chinsinsi cha 8 ndi 10 mm;
- mtanda screwdriver.
Njira ya disassembly ndi motere:
- Masulani bawuti yomwe mwagwira chivundikiro chapamwamba.Kuti muchotse chivundikiro chapamwamba, masulani bolt ndi wrench ya 8 mm.
- Timachotsa chivundikirocho ndikuchotsa zosefera pa mauna abwino.Chotsani chophimba ndi kusefa
- Timamasula zomangira 6 kukonza magawo awiri a chipangizocho.Zigawo za mlanduwu zimalumikizidwa ndi zomangira zisanu ndi chimodzi, zitulutseni
- Timalekanitsa ziwalo za thupi.Pambuyo pomasula zomangira, timalekanitsa mbali ziwiri za mlanduwo
- Timatembenuza ma diaphragms ndi 90 ° ndikuchotsa mnyumbamo. Chotsani kasupe.Titatembenuza ma diaphragms ndi 90 °, timawatulutsa mnyumbamo pamodzi ndi kasupe
- Masulani mtedza ndi 8mm wrench.Kuti muwononge gulu la diaphragm, ndikofunikira kumasula mtedza ndi wrench ya 8 mm.
- Timagawaniza msonkhano wa diaphragm, kuchotsa zinthu motsatizana.Pambuyo pomasula zomangira, timachotsa gulu la diaphragm m'zigawo
- Timayang'ana ma diaphragms. Ngati pali delaminations, misonzi kapena kuwonongeka pang'ono pa zinthu, ife kusintha diaphragms kwa atsopano.
- Timatsuka fyuluta, kenako timasonkhanitsa mpope motsatira dongosolo.
Pamsonkhano, strainer iyenera kuikidwa kuti kutsegula kwake kuli pamwamba pa valve.
Kusintha kwa valve
Mavavu a pampu mafuta Vaz 2107 ali m'gulu kukonza zida. Kuti muwalowe m'malo, mufunika fayilo ya singano ndi malangizo abwino oti mugwetse.
Tsatanetsatane wa zochita za disassembly ndi motere:
- Timachotsa kukhomerera ndi fayilo ya singano.Kuti muchotse ma valve, ndikofunikira kuchotsa nkhonya
- Timasindikiza ma valve ndi malangizo oyenera.Timasindikiza ma valve ndi zowonjezera zoyenera
- Timayika magawo atsopano ndikuyika chishalocho m'malo atatu.
Kuyika ndi kusintha kwa pampu yamafuta
Kuyika kwa mpope wamafuta pa "zisanu ndi ziwiri" kumachitika motsatira dongosolo lochotsa. Njira yokhayo siyimayambitsa zovuta. Komabe, chidwi chiyenera kuperekedwa kwa ma gaskets, chifukwa makulidwe awo amakhudza mwachindunji ntchito ya makinawo.
Kusintha kwa malo a msonkhano kuyenera kuchitidwa ngati, mutachotsa, ma gaskets adasinthidwa kapena zisindikizo zakale zidapanikizidwa mwamphamvu.
Pampu yamafuta imasindikizidwa ndi ma gaskets angapo:
- kusintha (kukula kwa 0,7-0,8 mm kapena 1,1-1,3 mm);
- kutentha-kuteteza;
- kusindikiza (0,27-0,33 mm).Pampu yamafuta imamangiriridwa ku injini kudzera pama gaskets atatu.
Kusintha ndi kusindikiza ma gaskets amasiyana kokha mu makulidwe. Nthawi zonse payenera kukhala chosindikizira chosindikizira pakati pa injini ya injini ndi chinthu choteteza kutentha.
Pampu yamafuta imasinthidwa motere:
- Ikani gasket yosindikiza.Choyamba, gasket yosindikiza yokhala ndi makulidwe a 0,27-0,33 mm imayikidwa pazipilala.
- Timayika tsinde mu spacer.
- Timayika spacer pazitsulo.Pambuyo posindikiza gasket, yikani spacer yoteteza kutentha
- Ikani chowongolera.Pakati pa spacer ndi pampu yamafuta timayika shimu yosinthira 0,7-0,8 mm wandiweyani.
- Timakanikiza mwamphamvu ma gaskets ku chipikacho, kenako timatembenuza pang'onopang'ono crankshaft ya injini ndi pulley ndi kiyi, kusankha malo a ndodo momwe imatuluka pang'onopang'ono poyerekezera ndi gasket yosintha.
- Ndi wolamulira wachitsulo kapena caliper timadziwa kutuluka kwa ndodo. Ngati mtengo uli wochepera 0,8 mm, timasintha chisindikizo chosinthira kukhala chochepa kwambiri - 0,27-0,33. Ndi mfundo za 0,8-1,3 mm, zomwe ndizozoloŵera, sitisintha chilichonse. Pazinthu zazikulu, timayika gasket yokulirapo (1,1-1,3 mm).Timapukuta crankshaft ya injini kuti ndodo ya mpope ituluke pang'ono kuchokera ku spacer, ndikuyesa mtengo wake ndi caliper.
Video: momwe mungasinthire pampu yamafuta pa "classic"
Onerani kanemayu pa YouTube
Pampu yamagetsi yamagetsi ya VAZ 2107
Kuchulukirachulukira, eni "zachikale", kuphatikizapo VAZ 2107, akuyika zida zamakono pamagalimoto awo. Chifukwa chake, pampu yamakina yamafuta imasinthidwa ndi yamagetsi. Cholinga chachikulu choyambitsa pampu yamagetsi yamagetsi ndikuchotsa mavuto omwe amabwera ndi mapampu okhazikika. Komabe, muyenera kumvetsetsa kuti ngati jekeseni "zisanu ndi ziwiri" njira yotereyi imayikidwa mwachindunji mu thanki ya gasi, ndiye pa galimoto ya carburetor imayikidwa pansi pa hood.
Amene angathe kuikidwa
Monga pampu yamagetsi yamagetsi pa "classic" mutha kukhazikitsa chipangizo chilichonse chomwe chimapangidwa kuti chigwire ntchito pamagalimoto a jakisoni. Malingana ndi ndemanga za eni ake a galimoto ya Zhiguli, mapampu opangidwa ndi China amagwiritsidwa ntchito nthawi zambiri, komanso Magneti Marelli ndi Bosch. Ndikofunikira kudziwa kuti mankhwalawa ayenera kupereka kupanikizika kochepa. Pampu yamakina yokhazikika imatulutsa pafupifupi 0,05 atm. Ngati chizindikirocho ndi chapamwamba, ndiye kuti valavu ya singano mu carburetor idzangodutsa mafuta, zomwe zidzatsogolera kutuluka kwake kunja.
Kuyika pampu yamagetsi yamagetsi
Kuyambitsa pampu yamagetsi yamagetsi ku carburetor "zisanu ndi ziwiri" mudzafunika mndandanda wazinthu:
- kukula 8x6x8 mm;
- mafuta mzere Vaz 2107;
- fufuzani valavu kuchokera "eyiti";
- kutalika kwa 8 mm;
- zikhomo, mapepala ochokera ku Kalina kwa mapini anayi (3 ma PC.) okhala ndi fuse;
- 3-contact relay yokha (XNUMX ma PC.);
- ndege yamafuta (150);
- payipi yobwerera mafuta kuchokera ku "eyiti";
- mawaya;
- batani osatsegula.
Timagwira ntchitoyi motere:
- Timayika chitoliro chamafuta (kubwerera) mofanana ndi mzere wamafuta wamba, ndikuchikonza m'malo a fakitale.Timayika chitoliro chobwerera kufananiza ndi mzere wanthawi zonse wamafuta
- Timadula koyenera 8 mm pachivundikiro cha sensor level mafuta.Timadula koyenera 8 mm pachivundikiro cha sensa ya mafuta kuti tigwirizane ndi mzere wobwerera
- Timayika pampu yamagetsi yamagetsi pansi pa hood pamalo abwino, mwachitsanzo, kumanzere kwa mudguard.Timayika pampu yamagetsi yamagetsi kumanzere kwa mudguard m'chipinda cha injini
- Pa cholowera cha carburetor, timayika tepi yokhala ndi ulusi wa 6 mm wodulidwa mkati mwa chubu, pambuyo pake timawotcha mu jet yamafuta ndi 150: ndikofunikira kupanga kukakamiza, apo ayi mafuta amapita ku thanki (ku mzere wobwerera) , osati kwa carburetor. Izi zipangitsa kuti dips mukanikize gasi.Polowera ku carburetor, timayika tepi yokhala ndi jet kuti ipangitse kukakamiza kofunikira
- Timayika valavu yotchinga yomwe imalepheretsa mafuta kuti asalowe mu thanki nthawi yayitali yosagwira ntchito.
- Kulumikizana kwamagetsi kwa pampu yamagetsi yamagetsi kumachitika molingana ndi dongosolo.Timalumikiza pampu yamafuta amagetsi ku nyali yoyatsira, choyambira ndi mphamvu kudzera pamapaipi atatu a pini anayi.
- Chotchinga chokhala ndi relay chilinso pa mudguard, koma chikhoza kusunthidwa pamwamba.Chotchinga chokhala ndi relay chimayikidwanso pa mudguard
- Timachotsa pampu yopangira mafuta ndikuyika pulagi (mbale yachitsulo) m'malo mwake.M'malo mwa makina opangira mafuta, ikani pulagi
- Timayika batani losinthana mu kanyumba, mwachitsanzo, pachivundikiro chowongolera.Timayika batani lopopera mafuta pachivundikiro chowongolera
Video: kukhazikitsa pampu yamagetsi yamagetsi pa VAZ 2107
Mukamaliza kuyika makinawo, idzagwira ntchito motsatira algorithm iyi:
- mutatha kuyatsa poyatsira ndikukanikiza batani lopopera, mpope imagwira ntchito ndikupopa mafuta;
- poyambira poyambira, pampu yamafuta imatsegulidwa;
- pamene injini ikuyenda, mpope imayendetsedwa ndi jenereta;
- injini ikasiya, ntchito ya unit imayima.
Ubwino Wokhazikitsa
Eni ake a Zhiguli omwe ayika pampu yamagetsi yamagetsi pamagalimoto awo amawona zabwino izi:
- injini yokhala ndi chipangizo choterocho imayenda mokhazikika mosagwira ntchito;
- ndi kuwonjezeka kwakukulu kwa liwiro, galimotoyo imayankha bwino pa pedal, palibe ma dips, omwe samawonedwa ndi pampu yamakina;
- pakusintha liwiro, kusalala kumadziwika, ndipo ndi kutulutsa kwakuthwa kwa gasi, palibe ma twitches;
- pa liwiro lalikulu, injini imazungulira bwino;
- palibe jerks pa liwiro otsika poyambitsa galimoto pambuyo pa ulendo wautali.
Pampu ya petulo ya Vaz 2107 nthawi zina iyenera kukonzedwa kapena kusinthidwa. Izi sizovuta kuchita monga zingawonekere poyamba. Ntchito yokonza ndi kukonzanso ikuchitika ndi zida zochepa potsatira malangizo a sitepe ndi sitepe.