夏季拖拉机使用注意事项夏季气温高，又是拖拉机作业最繁忙的季节．如果使用保养不当．很容易发生故障和事故，影响作业进度，耽误农时，也给机手造成不应有的经济损失。因此，夏季使用拖拉机必须做好如下几点：１．更换润滑油夏季温度高，机油变稀粘度减小，致使发动机运... Notes on the use of tractors in summer high summer temperatures, but also the busiest season tractor operation. If used improperly. It is prone to failure and accident, affecting the progress of operations, delay farming, but also to the hand caused undue economic losses. Therefore, the use of tractors in summer must do the following: 1. Replacement lubricants in summer high temperature, oil thinning viscosity decreases, resulting in engine transport ...