东方红75/54拖拉机的 AK—10起动机早期磨损严重,故障多。尤其是起动机曲轴前后轴承(2206),连杆轴承(5×8滚针)经常出现烧损卡死现象,缸套、活塞及活塞环早期磨损也很严重。76年以前每年有65%的起动机曲柄连杆机构早期磨损,影响生产违误农时。几年来,二九○农场的机务工作者着重从使用方面进行调查和分析,基本找到了 Dongfanghong 75/54 tractor AK-10 starter serious wear and tear, failure and more. Especially before and after crankshaft crankshaft bearings (2206), connecting rod bearings (5 × 8 needle) often burn burn phenomenon, cylinder liner, piston and piston ring wear early is also very serious. Sixty-six years ago, 65% of crankshaft crank mechanisms were worn early each year, affecting the production of agricultural machinery. In the past few years, the mechanic workers at 290 Farm focused on the investigation and analysis of their use and basically found out