柴油机作为拖拉机的动力来源,其工作性能的好坏,直接影响到拖拉机运行的经济性和动力性能,主要日常维护事项如下。1·紧固件检查与预紧检查柴油机机架螺栓及各部分连接的紧固情况。当发现柴油机有摆振不稳时,要特别注意柴油机安装垫及固定螺栓的紧固情况。2·冷却系统检查与维 As a power source of a tractor, the performance of a diesel engine directly affects the economic and dynamic performance of the tractor. The main routine maintenance items are as follows. 1. Fastener inspection and pretensioning Check the fastening of the diesel engine frame bolts and parts. When the diesel engine is found to be unstable, pay special attention to the mounting conditions of the diesel engine mounting pad and fixing bolts. 2 cooling system inspection and maintenance