1. BEFORE STARTING, IT IS NECESSARY TO CONDUCT A THOROUGH INSPECTION OF THE ENGINE OIL, DIESEL, AND WATER. CLEAN DIESEL, ENGINE OIL, AND COOLING WATER THAT MEET THE REQUIREMENTS SHOULD BE USED, AND ANY TOOLS OR OTHER ITEMS LEFT AROUND SHOULD BE CHECKED.2. IT IS STRICTLY PROHIBITED FOR PERSONNEL WHO ARE NOT FAMILIAR WITH OR UNFAMILIAR WITH DIESEL ENGINES TO OPERATE. DURING WORK, THEY SHOULD CONCENTRATE AND PAY ATTENTION TO WHETHER THE OPERATION IS NORMAL AT ALL TIMES, AND BE ALERT TO POSSIBLE ACCIDENTS.3. WHEN A DIESEL ENGINE DRIVES AGRICULTURAL TOOLS, ALL EXPOSED COMPONENTS SUCH AS GEARS, BELTS, AND TRANSMISSION SHAFTS SHOULD BE PROTECTED TO PREVENT THE OPERATOR'S HANDS, FEET, OR CLOTHING FROM BEING BROUGHT IN. DO NOT LUBRICATE, ADJUST OR INSPECT ROTATING MECHANICAL PARTS.