In summer, when vehicles are exposed to direct sunlight for extended periods, they can face serious risks such as engine fires or even fatal accidents. That’s why it's important to give your machinery a thorough check-up once the hot season is over.
When an engineering vehicle overheats, it's crucial to handle the situation carefully. Many people tend to open the radiator cap immediately when the engine is hot, but this can lead to scalding from boiling water and steam. Always allow the engine to cool naturally before opening the cap. Similarly, some operators may try to cool down components like brakes or transmissions with cold water, which can cause damage, deformation, or even cracks in critical parts. It's best to let them cool down on their own.
If the engine starts to "boil over," don't shut it off right away. The cooling system may contain trapped air bubbles that prevent proper circulation. Even if the radiator has coolant, the cylinder walls might not be adequately cooled, leading to overheating of internal parts like the piston and cylinder sleeve. Shutting the engine off suddenly could cause metal components to contract unevenly, potentially leading to mechanical failure or even the piston and cylinder liner sticking together.
After the engine starts to overheat, never attempt to open the radiator cap immediately. The pressure inside the cooling system can be extremely high due to boiling water and steam. Removing the cap too soon can result in a dangerous spray of hot liquid, risking burns or injury.
Also, avoid pouring cold water directly onto the engine block or cylinder head when it's overheated. This sudden temperature change can cause thermal shock, leading to cracked engine blocks or other irreparable damage.
Finally, never add cold water directly to the radiator when the engine is hot. This can cause a rapid increase in pressure due to the formation of steam, which might burst out of the radiator and cause serious burns.
Taking these precautions can help prevent major damage and keep both your equipment and yourself safe during hot weather.
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