论文部分内容阅读
1.气缸盖螺栓螺母松动或拧紧力矩不够,缸盖螺栓拉长或螺孔损坏,使气缸体和气缸盖结合面压力不足或压力不均匀,高温高压气体从局部压力较小的部位冲出而烧坏气缸垫。如发现气缸垫稍有烧损,应立即更换新件,重新安装。检查螺栓、螺孔,必要时对螺孔进行加工更换螺栓,按规定要求和顺序拧紧缸盖螺母。新机磨合和换新气缸垫后,在使用中每工作100小时左右,都应按规定扭矩和顺序检查拧紧缸盖螺栓。
1. Cylinder head bolt nut loose or tightening torque is not enough, the cylinder head bolt extension or screw hole damage, the cylinder block and cylinder head joint pressure is not enough pressure or uneven, high temperature and pressure gas from the local pressure smaller parts out Burn cylinder head gasket. Found a slight burn cylinder liner, should immediately replace the new parts, re-install. Check the bolt, screw hole, if necessary, the screw hole processing bolt replacement, according to the requirements and orderly tightening cylinder head nut. After the new machine run-in and replacement cylinder head gasket, in use every 100 hours of work, should be in accordance with the provisions of torque and sequence check tighten the cylinder head bolts.