First, avoid adding too much. Excessive oil in the oil sump of the engine exceeds the upper scale of the oil scale. The oil can easily enter the combustion chamber, causing the exhaust pipe to spray oil and emit blue smoke. This will increase the consumption of oil, and the incomplete combustion of the engine oil will produce a lot of coke on the top of the piston and valve seat, aggravate the wear of mechanical parts, and even cause the piston to die or damage. Second, avoid being added in time. If the oil is not added in time before the work, the oil level in the oil pan will be too low, resulting in high oil temperature and poor lubrication. What's more serious is that because the oil level in the oil pan is lower than the lower scale of the oil scale, the tractor may cause the oil filter to be exposed on the oil surface when the tractor is braking on the downhill, over ridge, or sudden braking, so that the oil pump cannot suck in air to supply oil. , causing serious accidents such as burning tiles. Third, avoid new, old engine oil mixed. The old engine oil contains substances with strong oxidation properties. After the new and old engine oils are mixed, the effect of the new engine oil can be reduced. If you add new oil at a time in the engine, you can use more than 500 hours. If half of the new engine oil is blended with half of the old engine oil, the use time is only 200 hours. Because of poor lubrication of old oil, it is easy to cause serious wear and black smoke.
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