Injector ya Mafuta a Dizilo 0445120277 Bosch ya FAW J6 Ca6dm2 Xichai Engine

Injector plunger yakhazikika
Pambuyo pounika, zidapezeka kuti plunger (ndi silinda) ya jekeseni wolakwika wamafuta onse anali ndi roughening pamwamba. Kupyolera mu kusanthula deta, akupezeka kuti ambiri jekeseni akadali zolephereka jamming mkati ntchito nthawi 0-500h (kutali pansi moyo kapangidwe ka jekeseni). Kuti mufotokoze bwino chodabwitsa ichi, jekeseni wolakwika mkati mwa 0-500h amachotsedwa. Zinapezeka kuti plunger ya jekeseniyo inali yovuta kwambiri, ndipo munalibe mpweya wa carbon ndi zonyansa zina mu plunger groove. Malinga ndi chodabwitsa ichi, zimatsimikiziridwa kuti chifukwa chofunikira kwambiri chomwe chimakhudza moyo wautumiki wa jekeseni ndikuti kusiyana pakati pa plunger ndi mkono wa plunger ndi wochepa kwambiri, zomwe zimatsogolera ku kupanikizana kwa plunger.
4.2 Injector reverse leakage (yowerengera 25.6%) Chochitika chakuti mafuta amalowa mu choziziritsira mutu wamafuta amatchedwa reverse leakage. Kupyolera mu kugwetsa, zinapezekanso kuti valavu ya singano yokhazikika inalipo mu jekeseni wamafuta ndi kutayikira kumbuyo. Nthawi yomweyo ziwerengero zimapeza: kutentha kwamafuta amafuta kupitilira 97 ℃, chodabwitsa chakumbuyo cha jekeseni wamafuta chidzawonjezeka.
Zabwino komanso zotsika (zowerengera 3.28%)
Chodabwitsa choti mafuta oziziritsa mutu wamafuta amadumphira mumafuta ndikuyaka amatchedwa kutayikira kwabwino.
Zinapezeka pamalowa kuti kulephera kwa jekeseni wamafuta kumasinthasintha kwambiri ndi mankhwala amafuta. Pambuyo kuyezetsa, zidapezeka kuti kutentha kwamafuta kukakwera mpaka 102C (panthawiyi, mawonekedwe a kinematic amafuta adatsikira ku 6Sct), plunger kwenikweni sinakhazikike: koma chifukwa kutentha kunali kokwera kwambiri pambuyo pa jekeseni. pakulephera kwa kutayikira kwabwino komanso kutayikira kumbuyo kwa jekeseni wamafuta kumatsimikizira mfundo yam'mbuyomu: chifukwa chachikulu chomwe chimakhudza moyo wautumiki wa jekeseni wamafuta ndikuti kusiyana pakati pa plunger. ndipo mkono wa plunger ndi wawung'ono kwambiri, zomwe zimapangitsa kuti plunger isamangidwe.
Kupyolera mu kusanthula mwatsatanetsatane pamwambapa, zatsimikiziridwa kuti chifukwa cha vutoli ndi: chifukwa cha kusintha kwa mafuta, kusiyana pakati pa jekeseni wa jekeseni ndi valavu ya singano ndi yaying'ono kwambiri, zomwe zimapangitsa kuti zisagwirizane ndi machitidwe atsopano. ndi kumawonjezera kulephera.