康明斯柴油机配装了ＰＴ燃油系统，因而大大改善了柴油机的动力性、经济性和适应性。本文以ＮＴＡ８５５为例，介绍此类柴油机实用的调整方法。 １．喷油正时的检查和调整 康明斯柴油机与其他柴油机喷油正时调整的最大不同是：康明斯柴油机是通过更换厚度不同的凸轮随动臂垫片 Cummins diesel engine equipped with PT fuel system, thus greatly improving the diesel engine’s power, economy and adaptability. In this paper, NTA855, for example, describes the practical adjustment of such diesel engines. 1. Fuel injection timing checks and adjustments Cummins diesel injection timing and other diesel engine to adjust the biggest difference is: Cummins diesel is replaced by the thickness of the cam follower arm gasket