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How to repair and maintain the oil pump in winter
With the decrease of temperature in winter, the oil pump in many occasions is out of use due to the temperature. At this time, the maintenance and maintenance of the oil pump becomes particularly important. The following will share with you the maintenance and maintenance method of the oil pump in winter.
1. After the oil pump is out of use, the liquid in the oil pump and the pipeline should be drained, and the external soil should be cleaned to prevent the pump body and the pipe from swelling and cracking after freezing.
2. For the bottom valve, elbow and other cast iron parts of the oil pump, the rust should be cleaned with a wire brush, and then the anti-rust paint should be applied first, and then the paint should be painted. After drying, they should be stored in a ventilated and dry place in the engine room or storage room .
3. If the belt is driven by a belt, after removing the belt, wash it with warm water and dry it, then hang it in a dry place without direct sunlight, and do not store it in a place with oil, corrosion and smoke. Under no circumstances should the belt be stained with oily substances such as engine oil, diesel or gasoline, rosin and other sticky substances.
4. Check the ball bearing, if the inner jacket is worn, moved, the ball is worn or the surface has spots, it should be replaced. For the available gasoline or kerosene that does not need to be replaced, clean the bearing, apply butter, and reinstall it.
5. Check whether the gear of the oil pump has cracks or small holes, and whether the fixing nut of the gear is loose. If it is damaged, it should be repaired or replaced. If the gears are too worn or damaged, they should generally be replaced with new ones.
6. The pump shaft with serious bending or wear should be repaired or replaced, otherwise it will cause the imbalance of the rotor and the wear of related parts.
7. Soak the removed screws in diesel oil and clean them with a wire brush, apply oil or butter, and re-install them or wrap them in plastic sheets and put them away (it can also be immersed in diesel oil for preservation) to avoid corrosion or loss.
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