1. For new engines and overhauled engines, they must be run-in first, that is, under the condition of maintaining good lubrication, according to the principles of low to high speed and small to large load, carefully follow the run-in rules before they can be put into formal operation. Load operation.
2. In accordance with the instruction manual, correctly select the gap between the piston skirt and the cylinder liner, the opening gap of the piston ring and the side gap. In addition, it is necessary to keep the piston off-cylinder in repair, and at the same time ensure the dimensional accuracy of the cylinder liner.
3. Maintain the normal temperature of cooling water 70 ℃ ～ 95 ℃ to avoid overheating of the engine. Preheating measures should be taken before starting in winter.
4. Reasonable operation and use of the engine, do not increase the load of the engine, do not overload the operation, slam the throttle, and start without water.
5. Strengthen the maintenance of the air filter to prevent dust from being sucked into the cylinder.
6. Maintain the lubrication system to prevent mechanical impurities and carbon deposits from mixing into the engine oil and aggravating the wear of the cylinder liner.
