1在起动发动机之前,要充分预热机体,现往水箱里加入约60～70℃的热水作为冷却水。如果农用车是露天停放,机体温度过低时,要边加热水边放水来提高机体温度,直到放水阀流出的水有烫手的感觉时,关上放水阀,再往水箱里加90℃以上的热水,才可 1 Before starting the engine, to fully warm the body, to the tank to add about 60 ~ 70 ℃ hot water as cooling water. If the agricultural vehicle is parked in the open air, when the body temperature is too low, it is necessary to add water while heating the water to raise the temperature of the airframe. When the water from the water discharge valve has a hot feeling, close the drain valve and add hot water above 90 ℃ to the water tank Only then