1, little drive belt: small four-wheel tractor equipped with three triangular drive belts, some of the machine can only be installed one or two and top three use. When the tractor is working, the load increases, which causes the drive belt to slip seriously. Not only the transmission efficiency is reduced, but also the output power is decreased, and the belt is heated and delaminated, deformed and worn faster. Therefore, the drive belt should not be rooted.
2. Long-term non-cleaning cooling system: The tractor's water tank mouth is open upwards. When it is used and parked, it will fall into the dust. Sometimes it will be filled with dirty hard water. The impurities in the water will precipitate again. As time goes by, the dust and impurities will build up and build up. Scale clogging waterways, affecting engine cooling, increasing locomotive temperature, thinning engine oil, deterioration of lubricating performance, accelerating the wear of various sports webs, and expanding components, affecting their technical performance, power drop, and serious Burn tiles, hold shafts and stick cylinders.
3, free to modify: Some drivers modify parts at will, destroying the original car's mechanical properties. For example, some drivers increase the driving pulley diameter in order to increase the driving speed, which may cause the following hazards: 1 After the pulley is increased, the transmission ratio is changed, the clutch speed is increased, and the impact load is increased when the engine speed changes during operation. Increased torsional vibration, agreed to shorten the life of the clutch components. 2 The contact area between the belt and the wheel increases, easily causing the belt to break and accelerate the belt damage. 3 As the driving speed increases, the traction force is reduced, and dangers are easily caused during transportation and climbing. At the same time, the load of the locomotive increases, the temperature increases, the lubricating oil becomes thin, and the oil film is difficult to form, accelerating the wear of the crank connecting rod mechanism and various moving parts of the engine. 4 The maneuverability and stability of the tractor are damaged, and it is easy to cause early wear of parts of the braking system due to the failure of braking.
4. Severe overload: Some drivers, when overloaded during transportation operations, overload the locomotive for a long time. The hazards are as follows: 1 After the locomotive is overloaded, the engine, transmission system and parts of the traveling part are under increased pressure, and the locomotive temperature rises. High, the lubricating oil becomes thinner, and the lubricating performance decreases. 2 When an emergency situation is encountered, parking cannot be achieved within an effective distance, so that the braking distance can be lengthened, which can easily cause accidents. 3 The fuel consumption increases, the exhaust pipe emits black smoke, and the combustion chamber is prone to carbon deposition, which accelerates the wear of pistons and cylinders.
5. Traction and start: Some tractors are driven by tractors. Since the viscosity of the oil in the gearbox and the oil pan is large, the movement resistance of the locomotive also increases. When the clutch is fast coupled, the transmission gear is subjected to impact load. The use of this method often causes the gear to break due to fatigue, and it is strictly forbidden to use this method to start the locomotive in cold weather. (Yuan Bo)
2. Long-term non-cleaning cooling system: The tractor's water tank mouth is open upwards. When it is used and parked, it will fall into the dust. Sometimes it will be filled with dirty hard water. The impurities in the water will precipitate again. As time goes by, the dust and impurities will build up and build up. Scale clogging waterways, affecting engine cooling, increasing locomotive temperature, thinning engine oil, deterioration of lubricating performance, accelerating the wear of various sports webs, and expanding components, affecting their technical performance, power drop, and serious Burn tiles, hold shafts and stick cylinders.
3, free to modify: Some drivers modify parts at will, destroying the original car's mechanical properties. For example, some drivers increase the driving pulley diameter in order to increase the driving speed, which may cause the following hazards: 1 After the pulley is increased, the transmission ratio is changed, the clutch speed is increased, and the impact load is increased when the engine speed changes during operation. Increased torsional vibration, agreed to shorten the life of the clutch components. 2 The contact area between the belt and the wheel increases, easily causing the belt to break and accelerate the belt damage. 3 As the driving speed increases, the traction force is reduced, and dangers are easily caused during transportation and climbing. At the same time, the load of the locomotive increases, the temperature increases, the lubricating oil becomes thin, and the oil film is difficult to form, accelerating the wear of the crank connecting rod mechanism and various moving parts of the engine. 4 The maneuverability and stability of the tractor are damaged, and it is easy to cause early wear of parts of the braking system due to the failure of braking.
4. Severe overload: Some drivers, when overloaded during transportation operations, overload the locomotive for a long time. The hazards are as follows: 1 After the locomotive is overloaded, the engine, transmission system and parts of the traveling part are under increased pressure, and the locomotive temperature rises. High, the lubricating oil becomes thinner, and the lubricating performance decreases. 2 When an emergency situation is encountered, parking cannot be achieved within an effective distance, so that the braking distance can be lengthened, which can easily cause accidents. 3 The fuel consumption increases, the exhaust pipe emits black smoke, and the combustion chamber is prone to carbon deposition, which accelerates the wear of pistons and cylinders.
5. Traction and start: Some tractors are driven by tractors. Since the viscosity of the oil in the gearbox and the oil pan is large, the movement resistance of the locomotive also increases. When the clutch is fast coupled, the transmission gear is subjected to impact load. The use of this method often causes the gear to break due to fatigue, and it is strictly forbidden to use this method to start the locomotive in cold weather. (Yuan Bo)
Golden Delicious, a large fruit, usually has a single fruit weight of up to 200-450g, the immature fruit is green, the ripe fruit face is golden yellow, with a small spot, and very small. The flesh is yellow, juicy, sweet and crisp.
Apple is a low calorie food, producing 60 thousand calories per 100 grams. Apple is rich in soluble nutrients and is easily absorbed by human body, so it is known as "living water". It helps to dissolve sulfur and soften the skin. It is said, "an apple a day, the doctor is away from me".
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