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分析了S195型柴油机起动副喷孔堵塞的原因，即柴油燃烧不充分、镶块加工质量差或装配不当、使用不当、严重烧机油、起动副喷孔堵塞后积碳未除净等．并论述了解决S195型柴油机起动副喷孔堵塞的有效方法──换装节能型活塞．
The reasons for the blockage of the auxiliary injection hole of S195 diesel engine are analyzed. That is, the diesel fuel is not fully burned, the machining quality of the insert block is poor or improperly assembled, improper use, serious burning oil, And discusses the effective method to solve the blockage of the auxiliary injection hole of S195 diesel engine ─ ─ Dressing energy-saving piston.