拖拉机哪些零件需要认向安装一、轴承、衬套：拖拉机、柴油机上用的衬套，多数都加工有小孔，其作用是引导机油注入轴与村套的运动部位。有小孔的衬套如起动轴衬套甲、乙，摇臂衬套、连杆衬套、主轴瓦等．其对应的座体也有小孔与通道。安装时应互相对准。如对应件无小孔或... Tractor which parts need to be oriented to install a bearing, bushing: tractor, diesel engine with bushings, most of the holes are processed, its role is to guide the injection of oil into the shaft and the village of sports parts. There are holes in the bushing, such as starting a bushing armor, B, rocker bushing, connecting rod bushings, the main bearing and so on. The corresponding seat also has holes and channels. The installation should be aligned with each other. If the corresponding parts without holes or ...