?
Here are some simple identification methods:
1, oil flow observation method
Take two measuring cups, one containing the oil to be inspected, the other on the table, will be filled with lubricating oil cup lift high 30-40 cm away from the desktop and tilt, let the oil slowly flow to the empty cup , To observe the flow of the situation, good quality lubricants oil flow should be slender, uniform, continuous, such as oil suddenly Huhuo slow, sometimes a large flow down, said the oil has deteriorated.
2, hand-twist method
The lubricating oil is rubbed between the thumb and the index finger repeatedly. The better lubricating oil hand feels lubricity, less abrasive dust and no friction. If a large friction feeling is felt between the fingers, the lubricating oil The impurities and can not be reused, should replace the new lubricants.
3, light method
On days when the weather is clear, lift the lubricating oil with a screwdriver at a 45 degree angle to the horizontal. Control the sun, observe the oil droplets, in the light, you can clearly see the oil without debris is good, can continue to function, if too much wear debris, you should replace the oil.
4, traces of oil droplets
Take a clean white filter paper, drop a few drops of small concrete mixer truck lubricating oil in the filter paper, until the oil leakage, if the surface of a black powder, hand-touch with astringent sense, then the lubricating oil inside a lot of impurities, good Lubricant without powder, dry and smooth hand touch, and yellow traces.
Hubei Changjie Special Purpose Vehicle Co. Ltd
Contact Name: Mr. Suan Yin
E-mail: cj802@urspv.com
Mobile phone: +8613886881673
Tel: +(00)867223229933
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