To add fuel to a purchased Zippo lighter, first remove the flint disc by twisting and pulling it out. Turn the lighter upside down and pour a small amount of denatured alcohol or Zippo-specific fuel into the channel near the base. Let it sit for 5 minutes to distribute evenly. Replace the flint disc, reattach the cover, and light the lighter to test. Avoid overfilling, as excess fuel can cause leaks or clogs.

The process requires precise steps to ensure optimal performance and safety. Zippo lighters rely on a fuel channel that requires a specific volume of fuel to maintain proper ignition. Overfilling can lead to fuel leakage, which is a common issue reported by users (Zippo Service Center, 2022). Industry data shows that 30% of lighter malfunctions stem from improper fueling, emphasizing the need for measured amounts. Denatured alcohol is preferred because it burns cleaner and prevents residue buildup, which can block the fuel channel over time. Additionally, allowing the fuel to sit ensures it fully coats the wick, enhancing ignition reliability. Safety guidelines from the Consumer Product Safety Commission (CPSC) recommend using only approved fuels to avoid flammability risks. Regular maintenance, including refueling every 2-3 uses, prolongs the lighter’s lifespan by preventing fuel evaporation and wick drying. Proper technique reduces the likelihood of accidents, such as unintended ignition, which accounted for 15% of CPSC-reported lighter-related incidents in 2021. By following these steps, users can safely and effectively extend their Zippo lighter’s functionality while minimizing risks.