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Radiator problems in mining dumpers can significantly impact equipment performance and productivity. Common issues include coolant leaks, clogging, or overheating, which can result from a variety of factors such as wear and tear, improper maintenance, or environmental conditions. Coolant leaks may occur due to corrosion, damaged hoses, or loose fittings, leading to coolant loss and engine overheating. Clogging of the radiator fins with dust, debris, or mineral deposits can restrict airflow, reducing cooling efficiency and causing engine overheating. Moreover, operating in harsh mining environments with high temperatures, dust, and debris can accelerate radiator deterioration and exacerbate cooling problems. Addressing radiator problems requires regular inspection, proactive maintenance, and prompt repairs to ensure proper cooling system function, prevent equipment downtime, and maintain optimal performance of mining dumpers in demanding operating conditions.

Radiator Problem

  Machine

•     Oil mixed in the radiator
•     Bypass valve failure
•     Drop in pressure
•     Cracks of radiator block
•     Water boiling
•     Damaged water pump/ water filter
•     Malfunction thermostat/ auxiliary fan

  Man

•     Unskilled workforce
•     Low coolant level
•     Use of non-distilled water
•     Improper maintenance
•     Improper lubrication

  Miscellaneous

•     Overheating
•     Scale/ rust formation
•     Too high/ low temperature
•     Sludge formation

The Root Cause Analysis for radiator problems in mining dumpers identifies and addresses the underlying factors causing radiator issues. The process involves gathering information meticulously and constructing a comprehensive fishbone diagram. Investigators systematically examine potential causes and implement necessary corrective actions.

Who should use the Radiator Problems template?

• People involved in diagnosing and repairing radiator issues, designing and maintaining mining dumpers, operators and supervisors overseeing the day-to-day operation, and quality assurance and safety officers will find this advantageous.

Why use this template?   

• By engaging these stakeholders in the Fishbone diagram process, organizations can collaborate to identify root causes, implement corrective actions, and prevent future radiator problems in mining dumpers, thereby enhancing safety, reliability, and efficiency in mining operations.
• Alter and extend the template and utilize it for RCA of similar or different issues.

Curated from community experience and public sources:

• https://www.ijcrt.org/papers/IJCRTNTSE078.pdf
• https://chinaheavytruckparts.com/howo-truck-overheating-causes.html