一、外观检查查看操纵杆件、油箱及水箱盖等零部件有无破裂、损伤,焊缝有无开焊、漏焊或烧穿等缺陷,铸铁件表面有无砂眼和裂纹;查看停车地点有无油污、水迹以判别漏油、漏水,再查看各部件有无渗透,有 First, the appearance of the inspection Check the joystick, tank and tank cover and other parts with or without rupture, damage, welding without welding, welding or burned through defects such as wear, castings with or without blisters and cracks on the surface; check the parking location No oil, water to identify leakage, water leakage, and then see whether the infiltration of various components, there