裝載機液壓油發(fā)黑從油品上分析，使用不合格的油品，非標(biāo)油品，引起油品發(fā)黑。這種情況在注意選擇到正規(guī)廠家生產(chǎn)的高品質(zhì)油時很少會出現(xiàn)。一般的裝載機液壓油發(fā)黑的原因還是需要從使用中的情況來分析：

The loader hydraulic oil is blackened. According to the analysis of oil products, unqualified oil products and non-standard oil products are used, resulting in oil blackening. This situation rarely occurs when we pay attention to the selection of high-quality oil produced by regular manufacturers. The reason for the blackening of hydraulic oil of general loader still needs to be analyzed from the situation in use:

裝載機液壓油發(fā)黑的原因

Causes of blackening of loader hydraulic oil

一、高溫影響?？鼓ヒ簤河烷L期處在高溫環(huán)境中，會氧化失效，出現(xiàn)變黑、變稠的現(xiàn)象；積炭、油泥、漆膜等物質(zhì)的增加；抗磨液壓油氧化,油品變質(zhì)，從而導(dǎo)致氧化變黑。

1、 High temperature effects. When the anti-wear hydraulic oil is in high temperature environment for a long time, it will oxidize and become black and thick; Increase of carbon deposit, oil sludge, paint film and other substances; Oxidation of anti-wear hydraulic oil and deterioration of oil, resulting in oxidation and blackening.

二、雜質(zhì)。主要來源于空氣中的塵埃、水、金屬磨屑、粉塵等雜質(zhì)進入油品、抗磨液壓油受到了污染。

2、 Impurities. It mainly comes from the dust, water, metal wear debris, dust and other impurities in the air, which enter the oil and anti-wear hydraulic oil and are polluted.

三、換油不干凈。裝載機換油時是否將油箱中的液壓油全部清空，并用新油循環(huán)循環(huán)系統(tǒng)后，將油箱全部用棉布擦拭干凈后再加新油，如果沒有，就可能有大量鐵屑?xì)埩粼谟拖渲校矔?dǎo)致新油被污染而發(fā)黑。由于是新機器，在設(shè)備磨合時會產(chǎn)生大量的鐵屑，不知你換油的時候是否將油箱中的液壓油全部清空，并用新油循環(huán)循環(huán)系統(tǒng)后，將油箱全部用棉布擦拭干凈后再加新油，如果沒有，就可能有大量鐵屑?xì)埩粼谟拖渲?，也會?dǎo)致新油被污染而發(fā)黑。

3、 The oil change is not clean. Whether the hydraulic oil in the oil tank is completely emptied during the oil change of the loader, and after using the new oil circulation system, wipe all the oil tank with cotton cloth and add new oil. If not, a large amount of iron filings may remain in the oil tank, which will also cause the new oil to be polluted and blackened. As it is a new machine, a large amount of iron filings will be generated during the running in of the equipment. I wonder whether you empty all the hydraulic oil in the oil tank when changing the oil, and after using the new oil circulation system, wipe all the oil tank with cotton cloth and add new oil. If not, a large amount of iron filings may remain in the oil tank, which will also lead to the pollution and blackening of the new oil.

四、液壓系統(tǒng)設(shè)計不合理。裝載機液壓油變黑之后如果替換了新的液壓油使用一段時間又變黑了，除了排查元件是否有問題之外，小編建議確認(rèn)液壓系統(tǒng)設(shè)計是否合理，如不合理及時通過相應(yīng)的技術(shù)補救。

4、 The design of hydraulic system is unreasonable. After the hydraulic oil of the loader turns black, if the new hydraulic oil is replaced and turns black again after a period of use, in addition to checking whether there are problems with the components, the Xiaobian suggests to confirm whether the design of the hydraulic system is reasonable. If it is unreasonable, it should be remedied in time through corresponding technology.

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