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JICOSH Home > Case Studies > Cases of Accident-related Injuries
Hot water spurting out from radiator burns mechanic's hand and face.
The moment an operator loosened a radiator cap, high temperature hot water spurted out, and a mechanic got burns on his hand and face. The engine was still running then. Moreover the radiator pressure relief valve was rusted and did not function properly, unable to release the internal pressure.



Corrective Action
1. Stop the engine when carrying out inspection and maintenance. Hang a caution plate in the operator's compartment and remove the ignition key lest the other workers should try to start to move the machine.
2. When loosening a cap of radiators filled with cooling water of high temperature and high pressure, release the internal pressure and wait until the cooling water temperature cools down.
3. When loosening a radiator cap, cover it with cloth and turn your face and body away for averting possible spurting out of hot water.


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