1.防止过热伤机高温易使水箱缺水,引起发动机过热,处理不当就会炸裂缸盖、缸套。正确处理方法是:停机,等水温降到60~70℃时,再向水箱内加入清洁的冷水。为了防止发动机过热,高温季节拖拉机的负荷应控制在额定负荷的90%左右。2.适时调节机油转向开关高温季节到来时应把机油转向开关由 1. To prevent overheating injury High temperature easily make the water tank, causing the engine overheating, improper handling will burst cylinder head, cylinder liner. The correct approach is: downtime, and so on when the water temperature dropped to 60 ~ 70 ℃, then add clean water to the tank. In order to prevent overheating of the engine, the load on the tractor during the hot season should be controlled at about 90% of the rated load. 2. timely adjustment of the oil steering switch high temperature season should turn the oil switch