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3.活塞连杆组的组装 活塞连杆组在装到发动机上之前,应先进行总成组装。修理质量的优劣在很大程度上反映在装配过程之中。如活塞销锁环未卡牢靠,工作时脱落将会造成拉缸事故;扭曲环装反,会造成初期走合时的严重窜机油;放置活塞时不注意而碰伤环岸,装入发动机后活塞环在环槽中卡死而造成窜油等等。诸如此类的故障在组装时是经常发生的,因此组装必须认真,确保质量。
3. Piston rod assembly Piston rod assembly installed in the engine before the assembly should be carried out. The quality of the repair is to a large extent reflected in the assembly process. If the piston pin lock ring is not stuck firmly, when working, it will cause the cylinder pull off accidentally. If the torsion ring is installed anti-clockwise, it will cause serious channeling oil when it is in the early stage. When placing the piston, Piston rings stuck in the ring groove caused by channeling oil and so on. Malfunctions such as these often occur during assembly, so assembly must be done with care to ensure quality.