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What is the reason why the excavator does not catch fire

2025-10-07 13:02:28 mechanical

What is the reason why the excavator does not catch fire? Hot topics and in-depth analysis of the entire network

Recently, the discussion on "excavator does not catch fire" has sparked heated discussions on major engineering machinery forums and social media. Based on the hot data of the entire network for the past 10 days, we have sorted out possible causes and solutions, and helped users quickly locate problems through structured data analysis.

1. Related data on popular topics across the entire network (next 10 days)

What is the reason why the excavator does not catch fire

KeywordsSearch volume peakMain discussion platform
Excavator cannot start5,200 times per dayZhihu, Tieba
Diesel engine ignition fault3,800 times per dayTikTok, Kuaishou
Insufficient battery voltage2,900 times per dayB station, watermelon video
Fuel system issues4,100 times per dayProfessional maintenance forum

2. Analysis of common causes of failures

1.Power system failure(38%)

• The battery is aging or insufficient battery capacity (voltage <12V)
• Poor line contact or fuse blown
• Damage of start relay

2.Fuel supply issues(29%)

• Diesel filter blocked
• There is air or moisture in the oil circuit
• The fuel injector is working abnormally

3.Mechanical component failure(23%)

• Starter carbon brush wear
• Insufficient cylinder compression pressure
• Turbocharger stagnation

4.Environmental factors(10%)

• Low temperature causes diesel to condense (below -10℃)
• Thin oxygen in high altitude areas

3. Troubleshooting flow diagram

stepTesting itemsNormal parameters
first stepBattery voltage detection≥24V (large excavator)
Step 2Fuel pump pressure test0.2-0.3MPa
Step 3Cylinder compression detection＞2.5MPa

4. References to recent hot cases

•Inner Mongolia construction site case(August 15): Colloidal deposition of the fuel system due to the use of inferior diesel, clean the fuel tank and replace the filter element.
•Popular Douyin videos(3.2 million views): Displays the temporary solution to the battery power loss problem through the "leap-on startup method".

V. Preventive suggestions

1. Recommended periods of regular maintenance:

Battery detectionEvery 250 hours
Fuel filter replacementEvery 500 hours
Circuit system inspectionEvery 1000 hours

2. Special precautions in winter:
• Use -35# diesel (Northeast)
• Install the preheating device
• Water accumulation in the oil circuit after shutdown

Note: The statistics cycle of this article is from August 10 to August 20, 2023, covering the discussion popularity of Baidu Index, WeChat Index and construction machinery vertical platforms. If there is a complex failure, it is recommended to contact professional maintenance personnel to deal with it.

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