(1) Ensure that the tractor is always working in a good technical condition. (2) Ensure the complete and reliable working parts of the tractor. Install the exhaust pipe in particular, because the exhaust pipe is mostly equipped with a silencer, which will reduce a large part (noise). (3) Prevent the loosening of parts and components, loose parts will produce vibration. (4) Do a good job of tractor maintenance inspection. According to regulations, qualified lubricants and greases shall be added to prevent poor lubrication of relative moving parts and dry friction or semi-dry friction, which will increase noise. (5) Maintain a good fit clearance of the relative moving parts. The driver must be assembled or adjusted according to the technical requirements. (6) Do not change the fuel supply at will. If the fuel supply becomes larger, the fuel injected into the cylinder may not be completely burned. This wastes fuel, pollutes the air, and increases the noise of the tractor. The fuel supply advance angle should be adjusted accurately. The accuracy of advance adjustment of fuel supply will not only directly affect the exertion of tractor power, but also affect the size of tractor noise. We often meet some tractors who have a particularly loud sound when discharging exhaust gas. They are often accompanied by "bangs and bangs". This is because the fuel supply angle is too large.
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