引言 | Introduction

正确的维护对于二手挖掘机的长期使用和性能至关重要。然而，很多操作人员在维护过程中容易犯一些常见错误。本文将介绍这些维护误区，帮助您避免。

Proper maintenance is crucial for the long-term use and performance of used excavators. However, many operators often make common mistakes during maintenance. This article will highlight these mistakes and help you avoid them.

一、忽视日常检查 | Neglecting Daily Inspections

1. 重要性 | Importance:日常检查可以及时发现小问题，防止其发展成大故障。忽视日常检查可能导致严重的设备损坏和高昂的维修费用。

Daily inspections can detect minor issues early, preventing them from becoming major failures. Neglecting daily checks can lead to serious equipment damage and costly repairs.

2. 建议 | Recommendations:制定并坚持日常检查清单，确保每次操作前后都进行全面检查。

Create and adhere to a daily inspection checklist to ensure comprehensive checks before and after each operation.

二、不正确的润滑 | Incorrect Lubrication

1. 过度润滑或缺乏润滑 | Over-Lubrication or Under-Lubrication:过度润滑会导致润滑剂积聚和部件损坏，而缺乏润滑则会增加摩擦和磨损。

Over-lubrication can cause lubricant buildup and component damage, while under-lubrication increases friction and wear.

2. 建议 | Recommendations:遵循制造商的润滑指南，使用适量的润滑剂，并定期检查润滑系统。

Follow the manufacturer's lubrication guidelines, use the right amount of lubricant, and regularly check the lubrication system.

三、忽视液压系统维护 | Ignoring Hydraulic System Maintenance

1. 液压油和滤清器 | Hydraulic Oil and Filters:忽视液压油和滤清器的定期更换会导致系统性能下降和部件磨损。

Neglecting regular replacement of hydraulic oil and filters can lead to decreased system performance and component wear.

2. 建议 | Recommendations:定期更换液压油和滤清器，确保液压系统的高效运行。

Regularly replace hydraulic oil and filters to ensure efficient hydraulic system operation.

四、未能及时更换易损件 | Failing to Replace Wear Parts Timely

1. 影响设备性能 | Impact on Equipment Performance:易损件如铲斗牙、密封件和胶管需要定期更换，否则会影响设备性能和安全。

Wear parts like bucket teeth, seals, and hoses need regular replacement; otherwise, they can affect equipment performance and safety.

2. 建议 | Recommendations:制定易损件更换计划，根据使用情况及时更换易损件。

Create a wear parts replacement schedule and replace wear parts timely based on usage.

结论 | Conclusion

避免这些常见的维护误区，可以延长二手挖掘机的使用寿命，确保设备的最佳性能和安全。

Avoiding these common maintenance mistakes can extend the lifespan of used excavators, ensuring optimal performance and safety.

更多信息请访问我们的网站：www.wabaiwan.com，或通过邮箱联系我们：wabaiwan@qq.com。
For more information, please visit our website: www.wabaiwan.com, or contact us via email: wabaiwan@qq.com.