有些机手认为柴油发动机功率不足时就应更换缸套、活塞或活塞环。这样会造成一些不必要的浪费,因此要正确判断在何种情况下更换活塞环。 1.活塞环的开口间隙和边间隙超过规定值时应考虑更换活塞环。如S195型柴油机的 Some drivers think that when the diesel engine power shortage should replace the cylinder liner, piston or piston ring. This will cause some unnecessary waste, so to correctly determine under what circumstances to replace the piston ring. 1. Piston ring opening clearance and side clearance exceeds the specified value should be considered when replacing the piston ring. Such as the S195 diesel engine