歡迎訪問挖百萬二手挖掘機官網：www.yvpkn.cn。如果您對我們的服務或產品有任何疑問，請通過郵箱聯系：wabaiwan@qq.com。 Welcome to Wabaiwan Second-Hand Excavators' official website: www.yvpkn.cn. If you have any questions about our services or products, please contact us via email: wabaiwan@qq.com.

1. 概述

1. Overview

當挖掘機過了保修期后，定期的維修和保養變得尤為重要。適當的維護不僅可以延長設備的使用壽命，還能提高工作效率，減少故障和停機時間。本文將介紹一些常見的維修和保養技巧，幫助您保持挖掘機的良好狀態。 When an excavator is out of warranty, regular maintenance and repair become crucial. Proper maintenance can extend the equipment's lifespan, improve work efficiency, and reduce breakdowns and downtime. This article will introduce common maintenance and repair tips to help you keep your excavator in good condition.

2. 日常保養

2. Daily Maintenance

2.1 潤滑

2.1 Lubrication

定期檢查并潤滑挖掘機的各個部件，包括軸承、鉸鏈和液壓系統。使用高質量的潤滑油，可以減少摩擦和磨損，延長部件的使用壽命。 Regularly check and lubricate various parts of the excavator, including bearings, hinges, and the hydraulic system. Using high-quality lubricants can reduce friction and wear, extending the lifespan of components.

2.2 檢查液壓系統

2.2 Check the Hydraulic System

定期檢查液壓油液位和質量，確保液壓系統正常工作。如果發現液壓油污染或變質，應及時更換。檢查液壓軟管和接頭是否有泄漏或磨損，并及時更換損壞的部件。 Regularly check the hydraulic oil level and quality to ensure the hydraulic system is functioning properly. If the hydraulic oil is contaminated or deteriorated, replace it promptly. Inspect hydraulic hoses and fittings for leaks or wear and replace damaged parts in time.

2.3 清潔空氣濾清器

2.3 Clean Air Filters

空氣濾清器會隨著時間的推移而積聚灰塵和雜質，影響發動機的性能。定期清潔或更換空氣濾清器，確保發動機能夠獲得充足的空氣供應，維持其正常運轉。 Air filters accumulate dust and impurities over time, affecting engine performance. Regularly clean or replace air filters to ensure the engine receives adequate air supply and operates normally.

2.4 檢查燃油系統

2.4 Inspect the Fuel System

檢查燃油濾清器并根據需要進行更換，以避免燃油系統堵塞。確保燃油箱和燃油管道沒有泄漏或損壞，防止燃油污染和浪費。 Check fuel filters and replace them as needed to prevent fuel system blockages. Ensure the fuel tank and fuel lines have no leaks or damage to prevent fuel contamination and waste.

3. 定期維護

3. Regular Maintenance

3.1 更換機油和濾清器

3.1 Change Oil and Filters

根據制造商的建議定期更換發動機機油和濾清器。清潔的機油可以減少發動機磨損，提高其性能和效率。 Regularly change engine oil and filters according to the manufacturer's recommendations. Clean oil can reduce engine wear and improve its performance and efficiency.

3.2 檢查電氣系統

3.2 Inspect the Electrical System

檢查電池、啟動電機和發電機，確保電氣系統正常工作。清潔電池端子，防止腐蝕，確保電池有良好的接觸。 Inspect the battery, starter motor, and alternator to ensure the electrical system is functioning correctly. Clean battery terminals to prevent corrosion and ensure good contact.

3.3 檢查底盤和履帶

3.3 Inspect the Chassis and Tracks

定期檢查底盤和履帶的磨損情況，確保它們處于良好狀態。及時更換磨損嚴重的履帶，防止設備在工作中出現打滑或失控。 Regularly inspect the chassis and tracks for wear to ensure they are in good condition. Replace severely worn tracks in time to prevent slippage or loss of control during operation.

3.4 檢查液壓缸

3.4 Inspect Hydraulic Cylinders

檢查液壓缸的密封件是否有泄漏或損壞，確保液壓缸正常工作。如果發現泄漏，應及時更換密封件或液壓缸。 Inspect hydraulic cylinder seals for leaks or damage to ensure the cylinders are working properly. Replace seals or hydraulic cylinders promptly if leaks are detected.

4. 故障排除

4. Troubleshooting

4.1 發動機故障

4.1 Engine Issues

如果發動機出現啟動困難、功率不足或運行不穩定等問題，應檢查燃油系統、點火系統和空氣濾清器，找出故障原因并進行維修。 If the engine has difficulty starting, lacks power, or runs erratically, check the fuel system, ignition system, and air filters to identify the cause and perform repairs.

4.2 液壓系統故障

4.2 Hydraulic System Issues

液壓系統故障可能導致挖掘機無法正常操作。檢查液壓油液位、軟管和接頭，找出泄漏或堵塞的部位并進行維修。 Hydraulic system issues may prevent the excavator from operating normally. Check the hydraulic oil level, hoses, and fittings to identify leaks or blockages and perform repairs.

4.3 電氣系統故障

4.3 Electrical System Issues

電氣系統故障可能導致設備無法啟動或運行異常。檢查電池、電纜和連接器，確保電氣系統正常工作。 Electrical system issues may cause the equipment to fail to start or run erratically. Check the battery, cables, and connectors to ensure the electrical system is functioning correctly.

5. 維護記錄

5. Maintenance Records

5.1 記錄保養和維修

5.1 Document Maintenance and Repairs

保持詳細的維護和維修記錄，包括更換的部件、使用的潤滑油和維修日期。這些記錄有助于追蹤設備的維護歷史，確保及時進行必要的保養和維修。 Keep detailed maintenance and repair records, including replaced parts, lubricants used, and repair dates. These records help track the maintenance history of the equipment and ensure timely maintenance and repairs.

5.2 定期檢查計劃

5.2 Regular Inspection Schedule

制定定期檢查和維護計劃，確保設備始終處于最佳工作狀態。定期檢查和保養可以預防故障，減少停機時間。 Establish a regular inspection and maintenance schedule to ensure the equipment is always in optimal working condition. Regular inspections and maintenance can prevent breakdowns and reduce downtime.

6. 結論

6. Conclusion

適當的維修和保養對于過保修期的挖掘機至關重要。通過定期保養、及時維修和保持詳細的維護記錄，您可以延長設備的使用壽命，提高其工作效率。挖百萬提供專業的二手挖掘機維修和保養服務，歡迎訪問我們的網站了解更多詳情。 Proper maintenance and repair are crucial for excavators out of warranty. By performing regular maintenance, timely repairs, and keeping detailed maintenance records, you can extend the lifespan of your equipment and improve its work efficiency. Wabaiwan offers professional second-hand excavator maintenance and repair services. Visit our website to learn more.