Ukpụhọde valves on a Moped "Alpha". Moped "Alpha" - photos, e ji mara

Gịnị ka mgbanwe valves on a Moped "Alpha"? The engine nke a Moped FMB 139 na-onwem na a oge na camshaft emi odude ke cylinder isi. The valves na-chụpụrụ site rocker ogwe aka. N'oge ọrụ nke engine valves ata ahụhụ thermal mgbasa, ya mere, na-enye a obere ọdịiche dị n'etiti ndị rocker ogwe aka na valvụ, nke ụgwọ thermal mgbasa. Na ezughi oke ma ọ bụ oké nwechapụ pụrụ oké engine mebiri. Na-ezighị ezi mmetụta nke oge ufodu gaps nwayọọ nwayọọ accumulates na nwere ike ime ka ọkụ-valvụ oche mbibi, ebelata mkpakọ ekpo oke ọkụ na deformation oge mkpa ọnụ. Ukpụhọde valves on a Moped "Alpha" ọtụtụ ugboro n'oge oge na-rụrụ. Ọ bụrụ na ahazi thermal gaps nwere ike na-egosi ihe e ji mara na-akụ aka ụda mgbe ndị engine na-agba ọsọ, bụ nke na-a ihe mere ndị ukpụhọde valves.

The engine nke a Moped "Alpha» FMB 139

Anọ strok engine FMB 139 bụ otu n'ime ndị isi uru na Moped "Alpha". Photo-egosi engine n'elu. Nke a bụ nnọọ pụrụ ịdabere na-echekwa engine ìhè arọ. Ya olu ike mbio 49 na 125 cm. CC., Na ọkpụrụkpụ nwere ike si 5 ruo 8 HP Mgbanwe nke engine nwere ike a dị iche iche olu nke cylinder. Ị nwere ike n'ụlọ iji wụnye a ọzọ ma ọ bụ obere dị ike version nke cylinder otu. The engine na-onwem na a anọ na-ogbo gearbox. N'elu ya bụ a carburetor Moped "Alpha".

Engine gas nkesa usoro 139 FMB

Engine valvụ gia FMB 139 na-onwem na a camshaft ewekarị na cylinder isi. Valves mere ndokwa ekwesị na V ekara na-chụpụrụ site rocker ogwe aka, nke n'aka nke a na-chụpụrụ site kam nke a camshaft. Nke a na usoro dị yiri nnọọ oge "Moskvich" 412, naanị cylinder bụ naanị otu onye na, na valves - abụọ.

The camshaft a na-chụpụrụ site yinye nnyefe. Ọ, n'aka nke ya, na-chụpụrụ site pinion nsogbu na generator rotor axis nke bụ axis nke adiana nke crankshaft.

Prevention oge na-esi nke ya ọdịda

All na ihe nke FMB 139 Engine họtara oge na-achọ oge na mgbe nile na-nkwenye nke ha n'ókè nke na-eyi. Ndinyanade mbịne oge yinye na ya erughị ala mmewere wear pụrụ iduga ya breakage, nke ga-achọ nnọọ nsogbu idozi metụtara na mkpa iji wepụ rotor nke generator, ma ọ bụ disassembly dochie dum crankcase mmanụ mgbapụta Kwadobe. Ọzọkwa, usoro iheomume yinye breakage nwere ike ime ka deformation nke valvụ, nke ga-achọ nnọchi na lapping efere ka saddles ọhụrụ valves. Odida nke onye oge ọcha nwere ike ime ka a ọnụ ọgụgụ nke ndị ọzọ dị oké njọ mebiri.

Mgbaàmà nke ezighi valvụ ntọala

Ọ bụrụ na ndị mgbanye gaps bụ oke buru ibu, ọ pụrụ ime ka a mara na-akụ ma ọ bụ na-ada na-adị mgbe ndị engine na-agba ọsọ. mkpakọ ọnwụ nwere ike ịbụ na-apụtachaghị ìhè n'ihi ekwesịghị ịdị na ntọala valves. Anọ n'ihi na-ezighị ezi ukpụhọde valvụ nwere ike na-abawanye na mmanụ ụgbọala oriri mgbe mbenata ike n'ihi depressurization valves, nakwa dị ka ọnwụ nke synchronism nke ọrụ, mgbe valves na-arụ ọrụ na-amalite na mbụ ma ọ bụ mgbe e mesịrị si pistin cycles.

The ngwa na lapping valvụ

Valvụ na a Moped "Alpha" na-mere ke otu ụzọ dị ka nke ụgbọ ala. Ha nwere a efere na a mkpara elongates ruru thermal mgbasa n'oge engine ọrụ. Nkịtị nwechapụ uru ga-0,05 mm. Mgbe kpo oku nke thermal nwechapụ kpamkpam fọrọ nke nta kpamkpam valves. valvụ efere sealingly-anọdụ ala na sadulu, na ha n'ọnụ ga-nāra miri n'ụzọ zuru okè ka oche n'ọnụ ya. Lapping valves Moped adịghị iche si yiri arụmọrụ maka ụgbọ ala engines na a na-eme iji otu tapawa aka ma ọ bụ ịkpata, eji a malite ịgba. Iji wepu valvụ si cylinder isi FMB 139 eji a pụrụ iche tubular puller.

Njọ ịda site na-ekwesịghị ịdị valvụ ntọala

A pusher na yoke ga-pịa na valvụ, ma na-amụba thermal ọdịiche ọ ga-amalite iti na valvụ, na-eme ihe e ji mara gbanyere mkpọrọgwụ n'obi na-akụ aka n'oge engine ọrụ. Nke a nwere ike ime ka ngwa ngwa na-eyi nke engine mkpa. The valvụ diski-amalite iti na oche, na-eme onye ahụ nke ntụpọ na nsọtụ nke oche na valvụ. Na okpomọkụ n'elu n'ọnụ n'ebe obere deformations amalite agēsure, akwụsị dabara tightly ọ bụla ọzọ. Echefuola na tightness, red-ekpo ọkụ combustion, haruru imebi site na-ebibi elu nke valvụ n'ọnụ ọbụna karị. Valvụ ekpo oke ọkụ emee na, na ụfọdụ na-amalite itisa na sadulu, na flaapu, nta iberibe nke ịdaba combustion ulo, ịkpụcha pistin na cylinder mgbidi.

Na enweghị thermal ọdịiche bụ isi na-ata ahụhụ iyuzucha valvụ. Okirikiri nke ya ime ihe na-akp, nke na-eduga ekpo oke ọkụ na agbaze nke ya n'ọnụ ya. Ọ bụrụ na valvụ abịakọrọ, ọ pụrụ ọbụna na-akwụsị-emechi. Na-arụ ọrụ na-emekarị emee dịkwuo thermal ọdịiche size, nke bụ ihe mere mkpa nke mgbe inspections nke a buru ibu.

Ukpụhọde valves on a Moped "Alpha"

Valves on FMB moto 139 ewekarị n'elu na n'okpuru cylinder isi. Iru ha, i kwesịrị ihighari mkpuchi. Ukpụhọde valves on a Moped adịghị achọ mwepụ nke dum n'isi. Ma, ọ dị mkpa iji na-etinye cylinder na ndị nwụrụ anwụ na-ekwu. N'ihi nke a mkpuchi nwere a generator rotor n'elu oghere emechi, n'aka nke ya, na-plastic cover. Unscrewing ya, ị pụrụ ịhụ ozu generator, nke a na-akara. Na igba-Starter generator nwere ike jiri nwayọọ bugharia rotor ruo mgbe ruo mgbe labelụ "T". Otu ime ihe nwere ike rụrụ na-eji wheel. The Moped ga-ebuli Central footrest, na-agụnye a anọ gia na jiri nwayọọ atụgharị wheel ruo mgbe o yiri labelụ "T" n'anya onu.

N'ụzọ ziri ezi ịchịkwa usoro, i nwere ike wepụ mkpuchi si oge kpakpando ngọngọ, bụ nke dị n'aka ekpe cylinder isi. Na kpakpando a bụ aha na ụdị a na-ekwu. Ọ bụrụ na a akara ga-leftmost ọnọdụ, ọ ga-apụta a nwụrụ anwụ na-ekwu. ukpụhọde valves on a Moped "ndabere" nwere ike rụrụ mgbe echichi nke cylinder na ndị nwụrụ anwụ na-ekwu. Ọ dị mkpa ka esighi ike na kpochidoro nut na-asọ mkpara. Mgbe ahụ mkpa ka ị inupụ na nyocha nke 0,05 mm n'etiti pusher na valvụ azuokokoosisi, ikesiike na push mkpanaka aka, ma nke mere na nyocha nwere ike wepụrụ. Mgbe ahụ, ọnọdụ nke pusher dị mkpa iji na-ewusi detent nut.