在购买二手挖掘机时，试机是评估设备状态的关键步骤。通过试机，您可以了解挖掘机的性能、功能和潜在问题，从而做出更明智的采购决策。上海挖百万二手挖掘机出口（wabaiwan）为客户提供全面的试机支持，确保您所购买的设备能够满足项目需求并具有良好的性价比。本文将详细介绍二手挖掘机试机的步骤和注意事项，帮助您在采购过程中做到心中有数。

When purchasing a used excavator, testing the machine is a crucial step in assessing its condition. By conducting a thorough test, you can understand the excavator’s performance, functionality, and potential issues, leading to a more informed purchasing decision. Shanghai Wabaiwan Used Excavator Export (wabaiwan) offers comprehensive testing support to ensure that the equipment you purchase meets project requirements and delivers good value for money. This article will detail the steps and key considerations for testing a used excavator, helping you make an informed decision.

1. 外观检查与基本信息确认

Visual Inspection and Basic Information Verification

在启动挖掘机之前，首先需要进行外观检查，并确认设备的基本信息。外观检查可以帮助您识别任何明显的损坏、磨损或维修迹象，而确认基本信息则有助于确保设备的型号、年限和工作小时数符合您的需求。

Before starting the excavator, begin with a visual inspection and verification of the basic information. A visual inspection can help you identify any visible damage, wear, or signs of repairs, while verifying basic information ensures that the machine’s model, age, and operating hours match your requirements.

• 外观检查：仔细检查挖掘机的车身、底盘、铲斗和履带，寻找任何裂缝、变形或异常磨损的迹象。

• 铭牌和序列号：确认设备的铭牌和序列号，确保其与文件记录一致。

• 工作小时数：检查仪表盘上的工作小时数，并与卖方提供的信息进行核对。

• 液压系统：检查液压系统是否有泄漏或损坏的迹象，尤其是油缸和管道连接处。

• Visual Inspection: Carefully examine the excavator’s body, undercarriage, bucket, and tracks for any signs of cracks, deformation, or abnormal wear.

• Nameplate and Serial Number: Verify the machine’s nameplate and serial number to ensure they match the documentation.

• Operating Hours: Check the operating hours on the dashboard and cross-check with the seller’s information.

• Hydraulic System: Inspect the hydraulic system for signs of leaks or damage, particularly at the cylinder and hose connections.

2. 启动与怠速测试

Startup and Idle Testing

在完成外观检查后，您可以启动挖掘机并进行怠速测试。启动和怠速测试可以帮助您了解发动机的启动性能、怠速稳定性以及是否存在异常声音或振动。

After completing the visual inspection, you can start the excavator and conduct an idle test. The startup and idle test will help you assess the engine’s startup performance, idle stability, and check for any unusual noises or vibrations.

• 启动性能：观察发动机的启动是否顺畅，检查是否需要多次尝试或长时间预热。

• 怠速稳定性：在怠速状态下观察发动机的运转是否平稳，是否有异常的震动或噪音。

• 排烟情况：检查排气管是否有异常的排烟现象，如黑烟、白烟或蓝烟，这可能表明发动机存在问题。

• 液压油温：在怠速时检查液压油温，确保其在正常范围内，避免过热。

• Startup Performance: Observe if the engine starts smoothly and check if it requires multiple attempts or prolonged warming up.

• Idle Stability: Monitor the engine’s operation at idle, looking for any unusual vibrations or noises.

• Exhaust Smoke: Check the exhaust for abnormal smoke, such as black, white, or blue smoke, which may indicate engine issues.

• Hydraulic Oil Temperature: Check the hydraulic oil temperature at idle to ensure it is within the normal range, avoiding overheating.

3. 操作测试与功能检查

Operational Testing and Function Check

启动并进行怠速测试后，接下来是对挖掘机的各项操作功能进行测试。这一步可以帮助您评估设备的操作灵敏度、液压系统的响应速度以及各个部件的正常运作情况。

After the startup and idle test, the next step is to test the operational functions of the excavator. This step helps you assess the machine’s operational responsiveness, the hydraulic system’s reaction speed, and the proper functioning of various components.

• 动臂与铲斗操作：测试动臂、斗杆和铲斗的升降、伸缩和旋转，确保操作平稳，无卡顿或延迟。

• 履带行走：前后行驶和原地转向，检查履带的反应速度和稳定性，注意是否有异响或异常振动。

• 液压系统：在不同的负载下操作挖掘机，检查液压系统是否能够保持稳定的压力和流量。

• 回转功能：测试挖掘机的回转平台，确保其能够平稳地旋转，无异常噪音或卡顿。

• Boom and Bucket Operation: Test the boom, arm, and bucket’s lifting, extending, and rotating movements, ensuring smooth operation without stuttering or delays.

• Track Walking: Move forward, backward, and pivot on the spot to check the track’s responsiveness and stability, noting any unusual noises or vibrations.

• Hydraulic System: Operate the excavator under different loads to check if the hydraulic system maintains stable pressure and flow.

• Swing Function: Test the excavator’s swing platform to ensure it rotates smoothly without abnormal noises or stuttering.

4. 负载测试与耐久性评估

Load Testing and Durability Assessment

为了更深入地了解二手挖掘机的性能和耐久性，负载测试是必不可少的。通过施加不同的负载，您可以评估设备在高强度工作条件下的表现，从而判断其是否适合长时间的施工任务。

For a deeper understanding of the used excavator’s performance and durability, load testing is essential. By applying different loads, you can assess how the machine performs under high-stress conditions, determining its suitability for long-term construction tasks.

• 满载测试：将挖掘机的铲斗装满负载，检查设备在重负荷下的操作稳定性和液压系统的响应。

• 连续操作：进行一段时间的连续操作，观察设备的稳定性、温度变化以及液压系统是否出现疲劳现象。

• 发动机表现：在高负载下监测发动机的表现，确保其能够持续提供足够的动力，无过热或功率下降现象。

• 设备耐久性：通过长时间、高强度的测试，评估设备的整体耐久性和可靠性，确保其能够胜任未来的施工任务。

• Full Load Test: Load the excavator’s bucket to capacity and check the machine’s operational stability and hydraulic system response under heavy loads.

• Continuous Operation: Conduct continuous operation for an extended period, observing the machine’s stability, temperature changes, and any signs of hydraulic fatigue.

• Engine Performance: Monitor the engine’s performance under high loads to ensure it consistently provides sufficient power without overheating or power loss.

• Equipment Durability: Assess the overall durability and reliability of the machine through prolonged, high-intensity testing, ensuring it can handle future construction tasks.

5. 试机总结与决策支持

Testing Summary and Decision Support

在完成所有试机步骤后，您需要对设备的各项表现进行总结。总结试机结果不仅可以帮助您确认设备是否满足项目需求，还能为您的最终采购决策提供重要的参考依据。上海挖百万的专业团队将协助您分析试机结果，并根据设备的表现为您提供专业的采购建议。

After completing all testing steps, it’s crucial to summarize the machine’s performance. Summarizing the test results not only helps confirm whether the equipment meets your project needs but also provides valuable insights for your final purchasing decision. Shanghai Wabaiwan’s professional team will assist you in analyzing the test results and offer expert purchasing advice based on the machine’s performance.

• 设备性能总结：记录并分析试机过程中发现的所有问题和优势，评估设备的整体状况。

• 维修与保养建议：根据试机结果，提出设备的维修和保养建议，确保设备交付后能够持续稳定运行。

• 采购决策支持：根据试机的综合评估结果，我们的团队将为您提供设备是否值得购买的建议，帮助您做出最优的采购决策。

• Performance Summary: Record and analyze all issues and advantages observed during the test, evaluating the overall condition of the machine.

• Maintenance and Repair Suggestions: Based on the test results, we offer suggestions for any necessary repairs and maintenance to ensure the equipment remains reliable after delivery.

• Purchase Decision Support: Based on the comprehensive evaluation of the test, our team will provide advice on whether the equipment is worth purchasing, helping you make the best possible purchasing decision.

结语：选择上海挖百万，确保二手挖掘机的最佳选择

Conclusion: Choose Shanghai Wabaiwan to Ensure the Best Used Excavator Purchase

试机是采购二手挖掘机过程中不可忽视的关键环节。通过全面的试机，您可以准确评估设备的状态和性能，从而做出更明智的采购决策。上海挖百万二手挖掘机出口（wabaiwan）凭借多年的行业经验和专业知识，致力于为客户提供全面的试机支持，帮助您选择最适合的设备。如果您正在寻找值得信赖的合作伙伴来确保设备采购的成功，上海挖百万将是您的最佳选择。

Testing is a critical step in the process of purchasing a used excavator. By conducting a thorough test, you can accurately assess the machine’s condition and performance, enabling you to make a more informed purchasing decision. Shanghai Wabaiwan Used Excavator Export (wabaiwan), with years of industry experience and expertise, is committed to providing comprehensive testing support to help you choose the right equipment. If you are looking for a trusted partner to ensure the success of your equipment purchase, Shanghai Wabaiwan is your best choice.