农机维修经验检查七则１．排气冒白烟是柴油未燃烧还是柴油中有水的检查当柴油机冒白烟时，用一手掌平伸到距排气管口３０厘米处正对排气流，如手上有柴油味，则是未燃烧柴油形成的；如无味，则是气缸内渗有水或柴油本身带有水分的缘故。２．气门漏气车上检查将发动机起动... Agricultural machinery maintenance experience inspection seven 1. Exhaust white smoke is not burning diesel or diesel water check When the diesel engine take white smoke flat with a palm flat to the exhaust pipe 30 cm at the exhaust flow, such as the hands of a diesel smell, It is not formed by the combustion of diesel oil; such as odorless, it is infiltration of water in the cylinder or diesel itself with water sake. 2. Valve leak detection on the car will start the engine ...