Mienzaniso yegiyabhokisi MAZ

Mota dzeMAZ dzine sere-speed YaMZ-238A mbiri-range gearbox ine masynchronizer mumagiya ese kunze kwekudzokera kumashure. Iyo giya bhokisi rine maviri-anomhanya giya bhokisi uye yekuwedzera maviri-anomhanya gearbox (downshift). Iyo gearbox mudziyo inoratidzwa muFig.44. Kuiswa kwezvikamu zvese zvegiya bhokisi kunoitwa mumakasi eiyo huru uye ekuwedzera mabhokisi, ayo akabatana obva aunganidzwa mudzimba dzeclutch; imwe simba unit inoumbwa sechikamu cheinjini, clutch uye gearbox. Iyo yekupinza shaft 1 yebhokisi hombe yakaiswa pamabhora maviri ebhora; iyo inotyairwa clutch discs yakasungirirwa pamucheto wepamberi, uye iyo yekumashure inogadzirwa muchimiro chemhete giya reiyo huru crankcase inogara giya. Iyo inobuda shaft yeiyo main crankcase 5 inomira kumberi pane cylindrical roller inotakura yakaiswa mubhobho regiya regiya redhiraivha shaft, uye kumashure pane bhora rakaiswa pamadziro emberi ekuwedzera crankcase. Mugumo wekupedzisira wechipiri shaft inogadzirwa nenzira yekorona, iyo inobatanidzwa zvachose yeimba yekuwedzera. Magiya echipiri uye chechina magiya ekubuda shaft yebhokisi hombe akaiswa pamabhengi akajeka akagadzirwa muchimiro chesimbi bushings ane yakasarudzika coating uye impregnation, uye giya rekutanga uye reverse magiya akaiswa pa roll bearings. Iyo yepakati shaft 26 yebhokisi hombe kumberi inomira pane roller bhengi rakaiswa pamadziro emberi kwebhokisi guru crankcase, uye kumashure - pane kaviri-mutsara spherical bearing yakaiswa mugirazi yakaiswa kuseri kwemadziro eiyo main. crankcase housing. Mune crankcase mafungu ebhokisi guru, imwe shaft yepakati reverse gear inoiswa. Reverse giya rinoitwa nekufambisa reverse ngoro 24 kumberi kudzamara yabatana nereverse giya giya giya 25 iro riri kuramba richibatikana nereverse idle giya. Iyo inobuda shaft 15 yebhokisi rekuwedzera inomira kumberi pane cylindrical roller inotakura iri mugomba regiya rimu reinobuda shaft yebhokisi hombe, kumashure - pamabheji maviri: cylindrical roller inotakura uye bhora rinotakura. , zvichiteerana, akaiswa kumashure kwemadziro ekuwedzera bhokisi rekugara uye inobuda shaft inotakura chivharo. Mune splines yepakati chikamu chekubuda shaft yebhokisi rekuwedzera, gear shift synchronizers akaiswa, uye kumucheto wakatsetseka kumashure kune flange yekubatanidza cardan shaft. Pakati pe cylindrical chikamu che shaft, iyo giya 11 yebhokisi rekuwedzera yakaiswa pane cylindrical roller bearings. Iyo yepakati shaft 19 yebhokisi rekuwedzera inomira kumberi pane cylindrical roller kutakura yakaiswa pamberi pemadziro ekuwedzera bhokisi rekugara, uye kumashure - pane kaviri-mutsara spherical bearing yakaiswa mugirazi yakaiswa pamadziro kumashure kwe. iyo yekuwedzera sump bhokisi. Reducation giya 22 rakaiswa kumberi kwakapetwa kumagumo kweyekubatsira crankcase countershaft. Muchikamu chekumashure chepakati shaft, giya remhete rinogadzirwa, iro rinobatanidzwa negiya rekudzikisa rechipiri shaft yebhokisi rekuwedzera.

Mamwe mashoko

Iyo MAZ semi-trailer mugearbox system ine yekumberi roller inodzora yechipiri lever inoiswa mumusoro weinofamba link yerutsigiro. Chikamu chekunze chetsvimbo inofambiswa yakabatanidzwa kune yepakati yekudzora nzira kuburikidza neiyo yakareba cardan rod. Iyo inokwirisa bracket inonamirwa kune mota furemu.

Iyo yakaderera mupendero wegiya lever yakabatana kune imwechete node. Mounting nzira: yakafanana nenzira yapfuura. Chikamu cheruoko chinopinda nepakati pekabhini pasi, kuve nechokwadi chekuvimbika kwezvimwe zvese zvinongedzo. Iyi dhizaini inobvumidza iwe kutenderedza iyo cab pasina kudiwa kwekuparadzanisa uye deformation yezvinhu zviripo uye magungano.

Device

MAZ-5551 isina bheti yakakura zvikuru kupfuura motokari yeKamAZ. Kutenda kune akaiswa zvakanaka mahandrails nematanho, kukwira mucab yerori yekurasa kuri nyore kwazvo. Ichokwadi, iyo ergonomics yekombi haisi iyo yakasimba yerori. Kunyange zvazvo mutsara wechigaro uchifamba uye mbiru yekutungamirira ichigadziriswa mundege mbiri, hapana chikonzero chekutaura pamusoro pekunyaradza kwemutyairi. Iko mukati memotokari ine kuonekwa kwakanaka, asi kusagadzikana kunokonzera kuwedzera kuneta, izvo zvinonyanya kuoneka pakufamba kwenguva refu. Chidhiraivho chihombe hachiwedzeri nyaradzo, sezvo vatyairi vadiki vachifanira kusendamira mberi kuti vatendeuke.

Iyo MAZ-5551 chiridzwa pani inodzidzisa uye yakanakira. Zvisinei, panewo zvakaipa. Chiratidzo chechiedza chine kupenya kwakaderera, saka zvakaoma kuona masikati.

Nekudaro, mukombi yerori yekurasa, kune zvakawanda zvakabudirira mhinduro. Nzvimbo yefuse uye relay bhokisi kuseri kwedashboard iri nyore uye nyore kusvika. Iyo inoshanda yekudziya system, sunroof uye dome mwenje mukati mecab inosimudzira kutyaira kugarika.

Kutenda kune magirazi makuru ekumashure, kuonekwa uye kuchengeteka kweMAZ-5551 control inowedzera.

Chigaro chemutyairi chine suspension system uye chinochinjika munzira dzinoverengeka. Nekudaro, iyo kabhini haisati yanyatsogadzikana, sezvo mota isina depreciation system. Chigaro chevatambi chakabatanidzwa zvakananga pasi.

Cab

Ndezvipi zvinhu zvinonakidza zvakaitwa nevagadziri kuti vavandudze ergonomics uye kubata kweMAZ? Kune shanduko dzakawanda, uye dzose dzinofadza zvikuru. Kabhini yakasununguka uye yakakura. Kunyangwe pasina mubhedha, vatakuri vaviri vanogona kugara pano nyore, vasingaverenge mutyairi pachake.

Yakagadzirwa zvakanaka handrails uye matanho anoita kuti kupinda mukombi nekukurumidza uye nyore. Chigaro chinogona kufamba uye kugadziriswa; Sezvineiwo, chigaro chevatambi chete. Mumakore ekuma90, kwete motokari dzose dzine chidhiraivho chinogadziriswa, asi iyo MAZ-5551 inayo. Iyo yekutanga dhizaini zvakare yakacherechedzwa mune kabhini - chidhiraivho chakakura kwazvo. Kana uri mupfupi, unofanira kusendamira mberi zvishoma nekutendeuka kwega kwega. Hazvigoneki kuti hutsva hwakadaro hunogona kunzi huri nyore.

Dashboard inosiya maonero maviri. Kune rimwe divi, ine ruzivo rwakanyanya, kune rumwe rutivi, ine kupenya kusina kusimba, nekuda kwekuti zvinhu zvega hazvionekwe mukati mezuva. Nzvimbo yakachengeteka yakachengeteka ndeye, hongu, kuwedzera kweMAZ-5551. Zvisinei, pamwe chete nekudziya kwakanyatsonaka, iyo inoita basa rakanakisisa kunyange muchando chakanyanya. Pakati pemutyairi nemutyairi pane kamuri diki maunogona kuviga zvinhu zvidiki zvakasiyana: zvinyorwa, makiyi, bhodhoro remvura, nezvimwe.

MAZ-5551 rori yave yakabudiswa neMinsk Automobile Plant kwemakore makumi matatu, kubva muna 1985. Pasinei nemagadzirirwo ayo asiri matsva (akafanotangira MAZ-503 akatanga kurova migwagwa muna 1958), rori yekurasa MAZ-5551 inoramba iri imwe yemarori anonyanya kufarirwa matani masere muhukuru hweRussia. Verenga nezve Kamaz 500 yakatevedzana mune ino chinyorwa.

Chinyorwa

Bhuku rekuraira rine zvikamu zvinotevera:

Zvinodiwa zvekuchengetedza paunenge uchishanda nemotokari iyi

Ese ekuchengetedza uye e emergency maitiro akanyorwa pano.

Motor. Ichi chikamu chine zvirevo zveinjini, dhizaini uye kugadzirisa kurudziro.

Kupararira kwehutachiona

Kushanda kwekufambisa kunotsanangurwa uye tsananguro pfupi yezvinhu zvayo zvikuru inopiwa.

Chassis yekufambisa. Ichi chikamu chinotsanangura magadzirirwo emberi ekisi uye tie tsvimbo.

Kutungamira, mabhureki masisitimu.

Zvigadzirwa zvemagetsi.

Transport marking. Kupi kwekuwana nhamba yekuzivikanwa yemotokari kunotsanangurwa pano, decoding yenhamba inopiwa.

Mitemo ye samsval.

Zvimiro zvekushanda nekugadzirisa. Inotsanangura nguva uye sei kugadzirisa, kuti ndeapi marudzi ekugadzirisa.

Mamiriro ezvinhu ekuchengetedza motokari, mitemo yekufambisa kwavo.

Nguva yewaranti uye tikiti rekufambisa.

Gearshift muenzaniso

Iyo gearshift dhizaini iri mubhuku remuridzi werori yekurasa. Kuchinja kunoitika seizvi:

1. Uchishandisa clutch mechanism, iyo unit yemagetsi inobviswa kubva pakufambisa kwemotokari. Izvi zvinokutendera kuti uchinje magiya pasina kuderedza injini kumhanya.
2. Iyo torque inopfuura nepa clutch block.
3. Iwo magiya akarongedzerwa akaenzana kune shaft axis yemudziyo.
4. Yekutanga axle yakabatanidzwa kune clutch mechanism, pamusoro payo pane splines. A drive disk inofamba pavari.
5. Kubva pane shaft, chiito chinotenderera chinoendeswa kune yepakati shaft, yakasanganiswa negiya rekuisa shaft mechanism.
6. Kana iyo yekusarerekera modhi ikamiswa, magiya anotanga kutenderera akasununguka, uye ma-synchronizer clutches anouya panzvimbo yakavhurika.
7. Kana iyo clutch yakaora mwoyo, iyo forogo inofambisa clutch kunzvimbo yakabatanidzwa ine torque iri pamagumo egiya.
8. Iyo giya inogadziriswa pamwe chete neshaft uye inomira kutenderera pairi, iyo inovimbisa kutapurirana kwechiito uye kutenderera simba.

Wiring diagram

Iyo yemagetsi yedunhu diagiramu inosanganisira zvinhu zvakadai se:

1. Mabhatiri Mhepo yavo ndeye 12 V. Usati watanga basa, zvakakosha kugadzirisa kuwanda kwemabhatiri.
2. Jenareta. Kuiswa kwakadaro kwakashongedzerwa neyakavakirwa-mukati voltage regulator uye rectifier unit. Iyo jenareta dhizaini inosanganisira mabearings, mamiriro ayo anokurudzirwa kuti atariswe yega yega 50 km.
3. Utange. Ichi chishandiso chinodiwa kuti utange simba remagetsi. Iyo ine chivharo cherelay, mabhatani, mapulagi emagetsi ekuzora, tsvimbo yekumisa, girazi, zvitubu zvebhurashi, zvisungo, mubato, tepi yekudzivirira.
4. Chigadzirwa chemagetsi. Basa rayo nderekufambisa kutanga injini pane tembiricha yakaderera.
5. Battery ground switch. Mabhatiri anofanirwa kubatanidzwa uye kubviswa kubva muhuwandu hwemotokari.
6. Lighting system uye chiedza chiratidzo. Kudzora malights, malightlights, fog lights, mukati memwenje.

Zvikamu zvepamusoro

Iyo MAZ gearbox inosanganisira yekutanga shaft ine giya rakaiswa mu crankcase pamabhora mabhengi. Kune zvakare shaft yepakati. Kubva kumberi, inoratidzika sechigadziro pane cylindrical roller bearing, uye kubva kumashure, kufanana nebhora. Iyo yekumashure element compartment inodzivirirwa neyakakandirwa-simbi casing, yekutanga uye yekumashure magiya mabhokisi anochekwa akananga pashaft, uye akasara marenji uye PTO ari kuburikidza nemakiyi madhiraivha.

Iyo MAZ gearbox ine giya rekudzikisa inoshongedzerwa nepakati shaft drive giya ine damper inonyorova. Izvi zvinokutendera kuti uderedze mavibrations anoshandurwa kubva kumagetsi emagetsi kuenda kudzimba dzekutumira. Mukuwedzera, iyi mhinduro inobvumira iwe kuderedza ruzha rwegiya bhokisi pasina basa. Kudiwa kwekuisa chigadziro chekuvhunduka kunokonzerwa nekusakwana kufanana kwekushanda kwejini yeYaMZ-236.

Zino regiya rinogadzirwa zvakasiyana kubva kuhubhu. Inodzimwa nematanho matanhatu emakoiri. Residual vibrations inonyoroveswa ne deformation yechirimo zvinhu uye friction mumusangano wedamper.

Scheme yemidziyo yemagetsi URAL 4320

Iyo yemagetsi dunhu URAL 4320 ndeye-single-waya, uko iyo yakaipa mukana wevoltage sosi yemidziyo uye zvishandiso zvakabatana kune pasi pemotokari. Iyo yakaipa terminal yebhatiri yakabatana ne "misa" yeURAL 4320 uchishandisa kure kure. Pazasi pane dhayagiramu yemidziyo yemagetsi URAL 4320 mukugadziriswa kwepamusoro.

Scheme yemidziyo yemagetsi URAL 4320

Padhiyagiramu yeURAL 4320 yemidziyo yemagetsi, kubatanidza pakati petambo nemidziyo inogadzirwa pachishandiswa mapulagi uye zvinobatanidza. Kuti zvive nyore, mavara ewaya ari paURAL 4320 magetsi emidziyo dhiyagiramu anoratidzwa muruvara.

Kugadziriswa kwekutarisa kweYaMZ-238A MAZ

Kutarisira bhokisi regiya rinosanganisira kutarisa huwandu hwemafuta uye nekuchichinja mu crankcase. Nhamba yemafuta mukrankcase inofanira kufanana negomba rekutonga. Oiri inofanira kufamba ichipisa mumakomba ose ekudhonza. Mushure mekupedza mafuta, iwe unofanirwa kubvisa chivharo pazasi pe crankcase, umo mafuta epombi yekuparadzanisa mafuta ine magineti inoiswa, sukurudza zvakanaka uye uiise panzvimbo.

Paunenge uchiita izvi, ita shuwa kuti mutsara wemafuta hauna kuvharwa necap kana gasket yayo.

Mupunga mumwe

Kuti ubvise bhokisi regiya, zvinokurudzirwa kushandisa 2,5 - 3 malita emafuta emuindasitiri I-12A kana I-20A zvinoenderana neGOST 20799-75. Iine gearbox control lever munzvimbo isina kwayakarerekera, injini inotangwa kwemaminetsi 7-8, yobva yamiswa, mafuta ekutsvaira anodonhedzwa uye mafuta anopihwa nemepu yekuzora anodururwa mubhokisi regiya. Hazvibvumirwi kugeza gearbox neparafini kana dhiziri mafuta.

Kana gearbox iri kushanda, zvinotevera zvigadziriso zvinogoneka:

- nzvimbo ye lever 3 (ona Fig. 1) kuchinja magiya munzira yakareba;

- iyo nzvimbo yegiya lever munzira inotenderera;

- mudziyo wekuvhara weiyo longitudinal kusundirwa kwezvinhu zvetelescopic.

Kuti ugadzirise angle yekutenderera kwechitsiko З mukufamba kwenguva, zvakakosha kusunungura nuts pamabhoti 6 uye, kufambisa tsvimbo 4 munzira yeaxial, gadzirisa kona yevheji kusvika anenge 85 ° (ona Fig. 1) munzvimbo isina kwayakarerekera yegiya bhokisi.

Kugadziriswa kwechinzvimbo chechibatiso munzira inochinjika kunoitwa nekushandura kureba kweiyo transverse link 17, iyo inofanirwa kubvisa imwe yemazano 16 uye, kana wasunungura nzungu, gadzirisa kureba kwechinongedzo. kuitira kuti gearbox control lever, iri munzvimbo isina kwayakarerekera, inopesana nemagiya 6 - 2 uye 5 - 1 yaive nekona inosvika 90˚ nendege yakachinjika yekombi (mundege inochinjika yemotokari).

Kugadziriswa kweiyo gearshift yekuvhara mudziyo kunofanirwa kuitwa sezvinotevera:

- simudza cab;

- bvisa pini 23 uye bvisa tsvimbo 4 kubva paforogo 22;

- kuchenesa mhete 25 uye tsvimbo yemukati kubva kumafuta ekare uye tsvina;

- kusundira tsvimbo yemukati kusvika sleeve yekumira 15 kudzvanya;

- svinura nut yemhete 25 uye, kuisa screwdriver mu groove yetsvimbo yemukati yekubatanidza, kuisunungura kusvikira kutamba kwekona kwemhete kunopera;

- kudzivirira tsvimbo 24 kubva pakutendeuka, simbisa locknut;

- tarisa kunaka kwekukodzera. Kana lock sleeve 21 ikafamba yakananga kuchitubu 19, tsvimbo yemukati inofanira kutambanudza isina kunamatira kuhurefu hwayo hwakazara, uye kana tsvimbo yadzvanywa nzira yese mumikoto, cheki sleeve inofanira kufamba zvakajeka ne "tinya" kusvika ruoko. inozorora pakatarisana nechepazasi protrusion yemhete.

Paunenge uchigadzirisa dhiraivha, zvinotevera zvinodiwa zvinofanirwa kuverengerwa:

- ita zvigadziriso nekabhu yakasimudzwa uye injini yakadzima;

- dzivirira kinks uye kinks dzekunze uye dzemukati tsvimbo dzinofambiswa;

- kuitira kuti usaputsika, batanidza tsinde 4 neforogo 22 kuitira kuti gomba mumhete yepini 23 iri pamusoro peiyo longitudinal axis ye stem 4;

- tarisa nzvimbo isina kwayakarerekera yegiya bhokisi ine cab yakasimudzwa nemahara kufamba kweiyo lever 18 yegiya shanduko meshini munzira inochinjika (inoenderana neiyo longitudinal axis yemotokari). Roller 12 munzvimbo isina kwayakarerekera yebhokisi ine axial kufamba kwe30 - 35 mm, nepo kudzvanywa kwechirimo kunonzwa.

Iyo gearbox drive inogadziriswa yakatsanangurwa pamusoro inofanira kuitwa kana uchibvisa uye nekuisa injini uye cab.

MAZ gearbox mudziyo: mhando uye musimboti wekushanda

Muchikamu chino, tichakuudza kuti giya bhokisi riri paMAZ injini rinoita basa rei, kupa mamwe mazano ekugadzirisa, uye kuratidzawo MAZ gear shift shift scheme ine divider, iyo iwe unogona kudzidza uye kudzidza zvakadzama.

Kugadzwa kwenzvimbo yekutarisa

Mubhokisi regiya pane chinhu chakadai segiya, kazhinji kune akati wandei, iwo akabatana negiya lever uye imhaka yavo iyo giya rinoshanduka. Kuchinja kwegiya kunodzora kumhanya kwemotokari.

Saka, nemamwe mazwi, magiya magiya. Vane hukuru hwakasiyana uye zvakasiyana-siyana zvekutenderera. Mukati mebasa, mumwe anonamatira kune mumwe. Nzira yebasa rakadaro inokonzerwa nekuti giya guru rinonamatira kune duku, rinowedzera kutenderera, uye panguva imwechete iyo inomhanya yemotokari yeMAZ. Muzviitiko apo giya duku rinonamatira kune guru, kukurumidza, pane zvinopesana, inodonha. Bhokisi racho rine 4 kumhanya pamwe nereverse. Yokutanga inoonekwa seyakaderera uye nekuwedzera kwegiya rimwe nerimwe, mota inotanga kufamba nekukurumidza.

Bhokisi riri paMAZ motokari pakati pe crankshaft uye cardan shaft. Yokutanga inouya yakananga kubva kune injini. Yechipiri yakabatana zvakananga nemavhiri uye inotyaira basa ravo. Rondedzero yemabasa anotungamira kukurumidza kudzora:

1. Injini inotyaira kutapurirana uye crankshaft.
2. Magiya ari mugiya bhokisi anogamuchira chiratidzo uye otanga kufamba.
3. Achishandisa gear lever, mutyairi anosarudza kumhanya kwaanoda.
4. Iyo inomhanya yakasarudzwa nemutyairi inoendeswa kune cardan shaft, iyo inofambisa mavhiri.
5. Motokari inoramba ichifamba nekumhanya kwakasarudzwa.

Dhizaini dhizaini

Iyo chirongwa chegiyashift mudziyo wegiya bhokisi ine divider paMAZ haisi nyore, asi ichakubatsira zvakanyanya pakugadzirisa. Nhanho yegiya bhokisi paMAZ ine zvinhu zvakadai se crankcase, shafts, dhaka, synchronizers, magiya uye zvimwe zvakakosha zvakaenzana.

9 kumhanya

Chikwata chakadaro chinoiswa, kazhinji, pamarori kana mota dzinozoiswa kune yakakwira traffic.

9-kumhanya gearbox

8 kumhanya

Iyi unit, seyakatangira, inozivikanwa nemichina ine mubhadharo wakakura.

8-kumhanya gearbox

5 kumhanya

Iyo inonyanya kufarirwa pakati pemotokari.

5-kumhanya gearbox

Gadzirisa kurudziro

Unoda kuchengetedza bhokisi rako rekuparadzanisa riri mumamiriro akanaka kwemakore anouya? Ipapo iwe unoda kutarisirwa kwekutanga uye kutonga. Izvo zvinodikanwa kutarisa basa rezvinhu zvakadai segiya, dhaka, control lever pachayo, nezvimwe. Zvakamboitika here kuti kuparara hakudzivisiki? Tichakupa mazano anotevera ekugadzirisa wega:

zvizivise dhayagiramu uye mirairo yemeshini yako zvakadzama;

kuti uite kugadzirisa, unofanira kutanga wabvisa zvachose bhokisi uye chete mushure mokunge iwe unogona kuenderera mberi nekugadzirisa;

mushure mekubviswa, usamhanyire kuiparadzanisa zvachose, dzimwe nguva dambudziko riri pamusoro, nyatsoteerera kune zvese zvese, kana iwe ukaona unofungidzirwa "maitiro", saka kazhinji dambudziko riri muchinhu ichi;

kana iwe uchiri kuparadzanisa bhokisi zvachose, isa zvikamu zvose muhurongwa hwekuparadzanisa kuitira kuti urege kuvhiringidzika paunenge uchisimudza.

Muchikamu chino, chirongwa chekuchinja giya cheMAZ chemarudzi ese chakatariswa. Tinovimba kuti ruzivo rwakabatsira kwauri mukugadzirisa. Bhokisi rako ngarikushandire iwe kwemakore anotevera!

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Zvinogona kupunzika

Kutapurirana kusashanda paYaMZ 236 kunogona kuve kweiyi chirongwa chinotevera:

• kuonekwa kwekunze kweruzha;
• kuderedzwa kwehuwandu hwemafuta akadururirwa mubhokisi;
• kusanganisa kwakaoma kwekukurumidza;
• kungoerekana kuvharwa kwe-high-speed modes;
• crankcase fluid iri kubuda.

Nechero ipi yeiyi kuratidzwa, zvinokurudzirwa kuti utarise wakazvimirira mwero wemafuta mubhokisi, kuti madhiri ese anokwirisa uye nzungu anosimbiswa zvakadii. Kana iri risiri dambudziko, motokari inofanira kutumirwa kunzvimbo yebasa kuti iongororwe. Pano, mhizha dzinofanira kuongorora kushanda kwepombi yemafuta, vachishandisa michina yakakosha, kutarisa kuvimbika kwezvikamu zvegiya (kubatanidzwa, mabheji, bushings, nezvimwewo).

..160 161 ..

KUTENGESWA KWEGEARBOX YaMZ-236

Munguva yekugadzirisa, tarisa kubatana kwegiya bhokisi neinjini uye mamiriro ekumisa kwayo, chengetedza yakajairika mafuta mwero mubhokisi regiya uye woitsiva ne TO-2 nenguva.

Nhamba yemafuta mubhokisi regiya haifaniri kuwira pasi pemucheto wezasi wegomba rekutonga 3 (Fig. 122). Bvisa mafuta kubva mugearbox housing painenge ichipisa kuburikidza nedrain plug 4. Mushure mekupedza mafuta, chenesa magineti padhiramu plug. Mushure mekupedza mafuta, sunungura ma screws uye bvisa chivharo 2 kubva muoiri pombi inopinza, chenesa uye tsvaira skrini, wozotsiva kavha.

Paunenge uchiisa chivharo chekutora, chenjerera kuti usavhare mutsara wemafuta nevhavha kana gasket yayo.

Mupunga. 122. Plugs yeYaMZ-236P gearbox: 1 gomba rekuzadza mafuta; 2-chifukidzo chepombi yemafuta inotora; 3-gomba rekutarisa huwandu hwemafuta; 4 maburi emvura

Shamba bhokisi regiya nemafuta emaindasitiri I-12A kana I-20A zvinoenderana neGOST 20199 - 88; Dururira 2,5 - 3 litita mukrankcase, fambisa giya regiya kuti rive risina kwazvakarerekera, tanga injini ye1 ... 8 maminetsi, wozoidzima, bvisa mafuta ekutsvaira uye uzadze zvakare. Izvo zvinorambidzwa zvachose kutsvaira bhokisi regiya neparafini kana dhiziri kuti udzivise kutadza kwepombi yemafuta nekuda kwekusakwana kwekubvisa vacuum uye, semhedzisiro, kutadza kwegiya bhokisi. Panyaya yegiya bhokisi rekugadzirisa, zora pombi yemafuta nemafuta anoshandiswa mugiya bhokisi usati waiswa.

Paunenge uchidhonza mota ine injini inomhanya isina basa, iyo yekupinza uye yepakati shaft yegiya bhokisi haitenderere, pombi yemafuta mune iyi kesi haishande uye haipe lubricant kumabhengi ane mazino echipiri shaft uye kune conical nzvimbo. ye synchronizer shaft, iyo inotungamira kune zvigwere pane inotsvedza nzvimbo, kupfeka kweiyo synchronizer mhete uye kutadza kweiyo yese gearbox. Kudhonza, bvisa clutch uye ubatanidze kutapurirana mune yakananga (yechina) giya, kana kudzima kutapurirana kubva kune kutapurirana.

Hazvibvumirwi kukwevera motokari kure nemakiromita anopfuura 20 pasina kubvisa kadhi kana kubvisa clutch negiya rakananga rinobatanidzwa.

Kuti udziye giya bhokisi risati ratanga kupera nguva isati yakwana, zvinokurudzirwa kuti udziye giya bhokisi usati watanga injini pane tembiricha iri pazasi -30°C. Kana izvi zvisingagoneke, kana injini yakamira kwenguva yakareba, bvisa mafuta kubva mukrankcase uye, usati watanga injini, pisa mafuta aya uye uzadze mukrankcase kuburikidza negomba riri muvhavha yepamusoro.

Kuchinja kwakatsetseka uye kuri nyore uye kuchengetedza mazino e-countershaft uye yekutanga uye kumashure magiya kubva pakupfeka pamaaxles, pamwe nekudzivirira zvindori zvesynchronizer kubva pakupfeka kuti ugadzirise zvakanaka clutch uye kudzivirira "kutyaira".

Iyo MAZ gearbox igearshift mechanism iri chikamu chemudziyo wekutumira pamwe nedivider.