If used for a long time, the oil seal will wear. Solution: just replace the new oil seal.

如果長時間不更換機油，則濾芯的質量會下降，機油會變得太臟，并且油封的磨損會更快。解決方案：盡快更換液壓油和濾芯。

If the oil is not changed for a long time, the quality of the filter element will decline, the oil will become too dirty, and the wear of the oil seal will be faster. Solution: replace the hydraulic oil and filter element as soon as possible.

驅動軸失衡并劇烈振動，導致主軸擺動油封磨損。解決方案：及時固定并更換軸。

The drive shaft is unbalanced and vibrates violently, resulting in the wear of the main shaft swing oil seal. Solution: fix and replace the shaft in time.

液壓油會變質和乳化，降低潤滑性能并加速油封的磨損。解決方案：盡快更換液壓油和濾芯。在嚴重的情況下，需要清潔系統。

The hydraulic oil will deteriorate and emulsify, reduce the lubrication performance and accelerate the wear of the oil seal. Solution: replace the hydraulic oil and filter element as soon as possible. In severe cases, the system needs to be cleaned.

泵支架松動，泵打開，泵固定螺栓松動，導致整個液壓泵振動并磨損油封。解決方案：始終檢查并消除全自動供料和混合叉車發生故障的可能性，以防止并避免發生故障。

The pump support is loose, the pump is opened, and the pump fixing bolts are loose, resulting in vibration of the whole hydraulic pump and wear of the oil seal. Solution: always check and eliminate the possibility of failure of fully automatic feeding and mixing forklift to prevent and avoid failure.

自動加油/混合動力一體式車輛系統的回油不暢，回油管和散熱器堵塞，導致電動機殼體內的壓力升高，并且油封泄漏。解決方案：清除堵塞物并穩定回油回路。

The oil return of the automatic refueling / hybrid integrated vehicle system is not smooth, and the oil return pipe and radiator are blocked, resulting in increased pressure in the motor housing and oil seal leakage. Solution: remove the blockage and stabilize the oil return circuit.

如果散熱器不散熱，油的溫度將變得太高，粘度和潤滑性將降低，油封將過熱并且密封將無法工作。

If the radiator does not dissipate heat, the oil temperature will become too high, the viscosity and lubricity will be reduced, the oil seal will overheat and the seal will not work.

解決方案：清除散熱器上的障礙物并冷卻系統，以防止泵馬達磨損。在嚴重的情況下，有必要停止和停止發動機，并用水沖洗泵的電動機和散熱器殼體以達到冷卻效果。

Solution: remove obstacles from the radiator and cool the system to prevent wear of the pump motor. In severe cases, it is necessary to stop and stop the engine and flush the pump motor and radiator housing with water to achieve cooling effect.

在冬季運行期間，由于預熱不足，油溫過低，油封和油封無法達到理想的工作溫度。對策：啟動時停止油箱，以怠速運轉10至20分鐘，并在機油溫度恢復正常時更換油箱。

During winter operation, due to insufficient preheating and low oil temperature, the oil seal and oil seal cannot reach the ideal working temperature. Countermeasures: stop the oil tank when starting, run at idle speed for 10 to 20 minutes, and replace the oil tank when the oil temperature returns to normal.

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