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Engine problems in mining dumpers can significantly impact both productivity and safety. These issues often include overheating, power loss, and mechanical failures. They usually arise due to poor maintenance, challenging operating conditions, or worn-out components. Causes of overheating may include coolant leaks, blocked radiators, or malfunctioning cooling systems. It can also lead to engine damage and downtime. Power loss may result from fuel system issues, restricted air intakes, or worn-out parts, reducing the dumper’s hauling capacity and efficiency. Mechanical failures, such as piston damage or cylinder head issues, can occur from prolonged operation under heavy loads or inadequate lubrication.

To address these engine problems, proactive maintenance, timely repairs, and adherence to manufacturer recommendations are essential. When it comes to mining, safety and reliability are paramount. That is why mining dump trucks outperform even in the most challenging environments. No matter the conditions, you can trust that these trucks will complete the job safely and effectively.

Engine Problems
Man

•    Unskilled workforce
•    Lack of maintenance
•    Improper lubrication
•    Misassembly
•    Low coolant level

Machine

•    Spark knock
•    Poor compression
•    Worn spark plug
•    Low oil pressure
•    Wear of piston ring
•    Detonation
•    Coolant losses
•    Fuel contamination

  Miscellaneous problem

•    Sludge formation
•    Rust/ scale formation
•    Too high/low temperature
•    Over heating

Who should use the Engine Problems template?

• Members of the maintenance and engineering teams, operators and supervisors overseeing the day-to-day operation, and quality assurance and safety officers will find this template helpful.

Why use this template?  

• Conducting RCA Fishbone analysis on engine problems in mining dumpers facilitates a structured approach to problem-solving, leading to improved reliability, safety, and efficiency in mining operations.
• Recreate and extend the template to perform RCA of other problems in ProSolvr by smartQED.

Curated from community experience and public sources:

• https://www.ijcrt.org/papers/IJCRTNTSE078.pdf
• https://www.marksautoil.com/10-common-car-engine-problems-and-what-causes-them/