1. Valf prujinasi
Vana kamoniga yuqori harorat va davriy yuqori{0}}chastotali oʻzgaruvchan kuch taʼsir qiladi. Bir muddat foydalanishdan so'ng, aşınma va plastik deformatsiyalar paydo bo'ladi, bu esa elastik kuchni zaiflashtiradi, natijada vana yomon yopiladi, dvigatel quvvati kamayadi, egzozdan qora tutun va ishga tushirish qiyinlashadi. Xato. Shuning uchun, vana kamonining bahor kuchini muntazam tekshirib turing. Qadimgi buloq va yangi buloq orasiga kichik bir temir bo'lagini qo'yishingiz mumkin, uni skameykali tirgak ustiga mahkamlang va uning qanchalik qisqartirilganligini ko'rish uchun solishtiring. Yangi kamon asl uzunlikning 2/3 qismiga siqilganda, eski kamon yangi bahordan 2 mm qisqaroq bo'lsa, uni almashtirish kerak. Bir muncha vaqt uchun ehtiyot qismlar bo'lmasa, uning elastikligi yo'qligini to'ldirish uchun eski kamonga taxminan 2 mm bo'lgan tekis yuvish moslamasi qo'yilishi mumkin. Oddiy sharoitlarda vana bahorini 2500 dan 3000 soat foydalanishdan keyin almashtirish kerak.
2. Yoqilg'i quyish pompasi pistonli kamon
Yoqilg'i quyish pompasining pistonli prujinasi ham davriy yuqori{0}}chastotali o'zgaruvchan kuch ta'sirida eskiradi va deformatsiyalanadi, bu esa uning erkin uzunligini qisqartiradi va elastik kuchini zaiflashtiradi. Elastik kuch zaiflashgandan so'ng, pistonning qaytish tezligi sekinlashadi. shunday. Dvigatel yuqori tezlikda ishlaganda, pistonning o'zaro harakatini moy pompasi kamerasining yuqori-tezlikdagi aylanish harakati bilan muvofiqlashtirib bo'lmaydi, shuning uchun pistonning ko'tarilishi kamayadi. Yoqilg'i ta'minoti mos ravishda kamayadi, natijada vosita quvvati kamayadi. Shuning uchun, pistonli kamon 3600-4500 soat davomida ishlatilganda, uni o'z vaqtida almashtirish kerak.
3. Chiqish klapanining bahori
After the spring force of the oil outlet valve is weakened. It will cause serious internal leakage of high-pressure oil, the residual pressure in the high-pressure oil pipe will decrease, and the oil outlet valve will not be seated quickly, so that the oil supply will be reduced and unstable, and the engine will be weak and "travel". In addition, it will also make the fuel injector weak at the beginning, the fuel cut off is not straightforward, and the phenomenon of back dripping occurs, which leads to deterioration of combustion, overheating of the engine, and black smoke from the exhaust. Therefore, the oil outlet valve spring should be replaced after 3600-4500h of use. If it is bent and deformed, it should be replaced in time.
