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Chosefera cha excavator ndi chida chofunikira kwambiri papaipi yapakatikati yotumizira.Nthawi zambiri imayikidwa kumapeto kwa valve yochepetsera kuthamanga, valve yochepetsera kuthamanga, valve yokhazikika yamadzi kapena zipangizo zina kuti athetse zonyansa mu valve kuti ateteze valve ndi kukumba.kugwiritsa ntchito bwino makina.Chosefera chofukula chimatha kusefa bwino zoipitsa ndi zowononga ndi makulidwe a filimu yamafuta.Uku ndiye kusefa kwakukulu kwa chinthu chosefera cha excavator.Nthawi zambiri imayikidwa mumayendedwe amafuta oponderezedwa ndikubwereranso kuzungulira kwadongosolo.Mlingo wochotsa zinthu zosefera zofukula pa zolimba zoyimitsidwa m'madzi ndizoposa 96%.

Chofukulacho ndi cha dongosolo lamafuta, ndipo chosefera cha chofufutira nthawi zambiri chimakhala chosefera chamafuta a hydraulic.Kutengera ntchito yake ndi zinthu zosefera, zitha kugawidwa m'zinthu zosefera mpweya, zosefera zamakina, zinthu zosefera zamadzimadzi ndi zosefera za dizilo.The excavator dizilo fyuluta agawidwa magawo awiri: coarse fyuluta ndi fyuluta chabwino.Zosefera za Excavator zimayikidwa kuti ziteteze zida zogwirira ntchito zamkati monga chassis, matanki amafuta, ndi injini.Zosefera za dizilo zofukula zimateteza injini, ndipo zosefera zofukula nthawi zambiri zimayikidwa injini isanayambe.Zonyansa zamafuta zimalowa kuchokera kunja kapena zimapangidwira mkati.Iyenera kusefedwa molimba ndikusefedwa bwino ndi chofufutira kuti zisefe bwino zonyansa zomwe zili mumafuta ndikupewa kuwonongeka kwa injini monga zokala kapena dzimbiri.The excavator mpweya fyuluta ndi kusefa zosafunika mu mlengalenga kupewa kuvala chassis ndi mafuta silinda chifukwa cha zosafunika mu mlengalenga.Ziribe kanthu kuti ndi mtundu wanji wa fyuluta, iyenera kufufuzidwa ndikusinthidwa pafupipafupi kuti zitsimikizire kuti chofufutiracho chimagwira ntchito bwino.

Chosefera cha chokumba chimagwiritsidwa ntchito kusefa zowononga zomwe zingalowe mu valavu ndi zigawo zina.Yamwani chinyezi.Chifukwa zinthu zosefera zomwe zimagwiritsidwa ntchito muzosefera zimaphatikizapo thonje lagalasi la fiber, pepala losefera, manja a thonje loluka ndi zida zina zosefera, zinthuzi zimakhala ndi ntchito yotsatsa.Thonje lagalasi la fiber limatha kuthyola tinjere ta mafuta ndikulekanitsa madzi, ndipo zida zina zimatha kuyamwa madzi., yomwe imathandizira pakusefa chinyezi m'mafuta.Ngati chinthu chosefera chofukula sichingathe kusefa madzi mumafuta, chidzagwiritsidwa ntchito molumikizana ndi gawo la sefa yolekanitsa.Chosefera chofufutira cha fakitale yathu chimatengera zinthu zosefera magalasi ndi mawonekedwe olekanitsa, omwe amakwaniritsa bwino magwiridwe antchito komanso kulimba.Zosefera za Liugong excavator filter element zimatenga pepala losefera la American HV, lomwe lili ndi kusefera kwakukulu, mphamvu yayikulu yosunga fumbi komanso kukana kwakung'ono koyambirira kwa mpweya woyera, womwe ungawonetsetse kuti mpweya woyera umalowa munjira ndikuteteza injiniyo moyenera.