在使用二手挖掘機時，可能會遇到一些常見故障。了解這些問題及其解決方法，可以幫助您迅速恢復設備的正常運行，確保工程項目的順利進行。本文將介紹一些常見的二手挖掘機故障及其解決方法。

When using second-hand excavators, you may encounter some common issues. Understanding these problems and their solutions can help you quickly restore the equipment to normal operation and ensure the smooth progress of your construction projects. This article will discuss some common issues with second-hand excavators and how to fix them.

一、液壓系統故障

Hydraulic System Issues

1. 液壓油泄漏

• 問題：液壓油泄漏可能是由于管道破裂、密封件損壞或接頭松動引起的。

• 解決方法：檢查液壓管道、密封件和接頭，找出泄漏點并進行更換或緊固。

• Issue: Hydraulic oil leaks may be caused by cracked pipes, damaged seals, or loose fittings.

• Solution: Inspect hydraulic pipes, seals, and fittings to locate the leak point and replace or tighten as needed.

2. 液壓油溫度過高

• 問題：液壓油溫度過高可能是由于油冷卻器堵塞、油量不足或液壓泵故障引起的。

• 解決方法：檢查油冷卻器是否堵塞，確保液壓油量充足，并檢查液壓泵的工作狀態。

• Issue: High hydraulic oil temperature may be caused by a blocked oil cooler, insufficient oil, or a malfunctioning hydraulic pump.

• Solution: Check if the oil cooler is blocked, ensure sufficient hydraulic oil, and inspect the hydraulic pump's working condition.

二、發動機故障

Engine Issues

1. 發動機啟動困難

• 問題：發動機啟動困難可能是由于電瓶電量不足、燃油系統故障或啟動電機損壞引起的。

• 解決方法：檢查電瓶電量，確保燃油系統正常工作，并檢查啟動電機的狀態。

• Issue: Engine starting difficulty may be caused by low battery power, fuel system issues, or a faulty starter motor.

• Solution: Check the battery power, ensure the fuel system is working properly, and inspect the starter motor's condition.

2. 發動機過熱

• 問題：發動機過熱可能是由于冷卻液不足、冷卻系統堵塞或水泵故障引起的。

• 解決方法：檢查冷卻液液位，清潔冷卻系統，并檢查水泵的工作狀態。

• Issue: Engine overheating may be caused by insufficient coolant, a blocked cooling system, or a malfunctioning water pump.

• Solution: Check the coolant level, clean the cooling system, and inspect the water pump's working condition.

三、電氣系統故障

Electrical System Issues

1. 電氣故障

• 問題：電氣故障可能是由于電線老化、接頭松動或保險絲燒毀引起的。

• 解決方法：檢查電線和接頭的狀態，確保沒有松動或損壞，并更換燒毀的保險絲。

• Issue: Electrical issues may be caused by aging wires, loose connections, or blown fuses.

• Solution: Inspect the condition of wires and connections, ensure there are no loose or damaged parts, and replace blown fuses.

2. 儀表盤無顯示

• 問題：儀表盤無顯示可能是由于電源問題、線路故障或儀表盤本身損壞引起的。

• 解決方法：檢查電源供應，確保線路正常，并檢查儀表盤的狀態。

• Issue: No display on the dashboard may be caused by power supply issues, wiring faults, or a damaged dashboard.

• Solution: Check the power supply, ensure the wiring is intact, and inspect the condition of the dashboard.

四、底盤故障

Undercarriage Issues

1. 履帶脫落

• 問題：履帶脫落可能是由于履帶張力不足、導向輪磨損或操作不當引起的。

• 解決方法：調整履帶張力，檢查導向輪的狀態，并確保正確操作設備。

• Issue: Track detachment may be caused by insufficient track tension, worn idlers, or improper operation.

• Solution: Adjust track tension, inspect the condition of idlers, and ensure proper operation of the equipment.

2. 履帶磨損

• 問題：履帶磨損可能是由于長時間使用、地面條件惡劣或履帶質量問題引起的。

• 解決方法：定期檢查履帶磨損情況，及時更換磨損嚴重的履帶。

• Issue: Track wear may be caused by prolonged use, harsh ground conditions, or track quality issues.

• Solution: Regularly inspect track wear and replace severely worn tracks promptly.

五、上海挖百萬的技術支持

Technical Support from Shanghai Wabaiwan

1. 專業技術團隊

• 上海挖百萬擁有一支經驗豐富的專業技術團隊，隨時為客戶提供設備故障診斷和維修服務。

• Shanghai Wabaiwan has an experienced professional technical team that provides equipment troubleshooting and repair services to customers at any time.

2. 全面的售后服務

• 我們提供全面的售后服務，包括設備調試、技術支持和零配件供應，確保客戶無后顧之憂。

• We offer comprehensive after-sales services, including equipment commissioning, technical support, and spare parts supply, ensuring customers have no worries.

聯系我們

Contact Us

如果您在使用二手挖掘機過程中遇到任何問題或需要技術支持，請立即聯系我們。上海挖百萬將竭誠為您服務，幫助您解決設備故障，確保工程項目順利進行。

If you encounter any issues or need technical support while using second-hand excavators, please contact us immediately. Shanghai Wabaiwan will wholeheartedly serve you, helping you resolve equipment issues and ensuring the smooth progress of your construction projects.

• 公司名稱：上海挖百萬二手挖掘機

• Company Name: Shanghai Wabaiwan Second-Hand Excavators

• 公司網址：m.cc-mt.com.cn

• Website: m.cc-mt.com.cn

• 聯系郵箱：wabaiwan@qq.com

• Email: wabaiwan@qq.com