拖拉机及农用车经常出现柴油机气缸垫烧损的现象 ,其表现为柴油机压缩力不足 ,低温时水箱中有气泡、有油 ,漏水及油底壳中有水。气缸垫烧损的原因有 :1 缸盖螺栓螺母松动 ,安装时螺母拧紧次序不正确或扭力不一致 ,导致高温高压气体冲坏缸垫。2 缸套凸出量不够。3 机体与缸盖结 Tractors and agricultural vehicles often appear on the phenomenon of diesel engine cylinder burns, the performance of the lack of compression of diesel engine, low temperature bubbles in the tank, there is oil, water leakage and oil pan water. Cylinder liner burnout reasons are: 1 cylinder head bolt nut loose, the installation of the nut tightening order is not correct or inconsistent torque, resulting in high temperature and pressure gas flushes the cylinder pad. 2 cylinder liner protruding amount is not enough. 3 body and cylinder head knot