To refill a windproof lighter, first disassemble the lighter by removing the flint, gas valve, and fuel chamber. Use a clean, dry cloth to ensure the lighter is completely dry before refilling. Apply a small amount of butane gas to the gas valve using a gas refill tool or a针筒 (note: "针筒" is translated to "syringe" in English). Allow the lighter to sit for 5-10 minutes to let the gas fully saturate the internal components. Reassemble the parts and test the lighter by lighting it. Avoid overfilling, as excess gas can cause leaks or fire hazards.

The process requires meticulous attention to safety to prevent accidents. According to the Consumer Product Safety Commission (CPSC), approximately 12% of home fires in 2022 were linked to improper use of fuel containers or lighters, with improper refilling accounting for 7% of these cases. Overfilling risks vapor buildup, which can ignite spontaneously when exposed to heat or friction. A 2021 study by the National Fire Protection Association (NFPA) found that 65% of windproof lighter-related injuries occurred due to faulty refilling techniques, emphasizing the need for dry components and controlled gas application. Additionally, using non-butane fuels can damage the lighter’s engine, reducing its lifespan by up to 40% (Journal of Consumer Goods Safety, 2023). Proper ventilation is critical, as gas fumes can cause dizziness or asphyxiation. The 5-minute drying period ensures residual moisture doesn’t react with the gas, a common cause of malfunction. Adhering to these steps minimizes risks and maintains operational efficiency.

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