1. It has been used for a long time, the oil seal is normal and worn.

處理計(jì)劃：更換新的油封。

Treatment plan: replace the oil seal with a new one.

2.長時(shí)間未更換液壓油，或者濾芯的質(zhì)量不合格。液壓油變臟，油封加速。

2. The hydraulic oil is not replaced for a long time, or the quality of the filter element is unqualified. The hydraulic oil becomes dirty and the oil seal accelerates.

處理計(jì)劃：盡快更換液壓油和濾芯。

Treatment plan: replace hydraulic oil and filter element as soon as possible.

3.液壓油會(huì)變質(zhì)或乳化，降低潤滑性能，并加速油封的磨損。

3. The hydraulic oil will deteriorate or emulsify, reduce the lubricating performance and accelerate the wear of oil seal.

處理計(jì)劃：盡快更換液壓油和濾芯。在嚴(yán)重的情況下，需要清潔系統(tǒng)。

Treatment plan: replace hydraulic oil and filter element as soon as possible. In severe cases, the system needs to be cleaned.

4.傳動(dòng)軸失去動(dòng)平衡，擺動(dòng)量增加，主軸油封偏心。

4. The transmission shaft loses dynamic balance, the swing increases, and the main shaft oil seal is eccentric.

處理計(jì)劃：快速固定或更換驅(qū)動(dòng)軸。

Treatment plan: fix or replace the drive shaft quickly.

5.泵支架松動(dòng)，焊縫松動(dòng)或泵固定螺栓松動(dòng)會(huì)導(dǎo)致液壓泵整體振動(dòng)和油封磨損。

5. Loose pump bracket, weld or pump fixing bolt will lead to overall vibration and oil seal wear of hydraulic pump.

處理計(jì)劃：經(jīng)常檢查以隱患，防止和避免故障。

Treatment plan: regular inspection to eliminate hidden dangers, prevent and avoid failures.

6.系統(tǒng)不穩(wěn)定，回油管或散熱器堵塞，導(dǎo)致泵電機(jī)腔中的壓力升高，并且油封泄漏。

6. The system is unstable and the oil return pipe or radiator is blocked, which leads to the pressure increase in the pump motor cavity and the oil seal leaks.

處理計(jì)劃：阻塞并穩(wěn)定回油周期。

Treatment plan: eliminate blockage and stabilize oil return period.

7.散熱器不會(huì)散發(fā)熱量，從而導(dǎo)致機(jī)油溫度過高，粘度和潤滑性降低，油封過熱以及密封件損壞。

7. The radiator will not emit heat, resulting in high oil temperature, reduced viscosity and lubricity, overheated oil seal and seal damage.

方案：及時(shí)散熱器故障，盡快冷卻系統(tǒng)并防止泵馬達(dá)磨損。如有必要，請停止并關(guān)閉電源，并用水沖洗泵馬達(dá)和散熱器外殼以冷卻。

Solution: eliminate radiator failure in time, cool the system as soon as possible and prevent pump motor wear. If necessary, stop and turn off the power supply and flush the pump motor and radiator housing with water to cool.

8.冬季預(yù)熱不足，機(jī)油溫度太低，機(jī)油和油封未達(dá)到工作溫度。

8. Insufficient preheating in winter, the oil temperature is too low, and the oil and oil seal do not reach the working temperature.

方案：起動(dòng)車輛時(shí)，以空轉(zhuǎn)速度停止油箱1020分鐘，并在燃油溫度正常時(shí)啟動(dòng)油箱。

Solution: when starting the vehicle, stop the fuel tank at idle speed for 10 to 20 minutes and start the tank when the fuel temperature is normal.

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