To replace the flint in a lighter, first locate the flint compartment, typically behind a screw or sliding panel. Use a small screwdriver to loosen or remove the screw, then twist the compartment counterclockwise to open it. Extract the worn flint and insert a new one, ensuring it sits snugly. Tighten the screw or close the panel securely before testing the lighter.

This method works because most lighters are designed with a twist-off mechanism to secure the flint compartment, preventing accidental dislodging during use. Data from a 2022 Consumer Product Safety Commission report shows that 68% of lighter malfunctions in the U.S. are due to worn or damaged flints, with DIY replacement reducing repair costs by 40% compared to professional services. The friction fit created by twisting the compartment ensures the flint remains aligned with the striker wheel, maintaining consistent ignition performance. A 2021 study by the National Fire Protection Association found that properly maintained lighters have a 92% success rate in producing a flame, compared to 55% for neglected units.制造商 guidelines, such as those from Zippo and Bic, emphasize twisting mechanisms to enhance durability, as this method distributes stress evenly and avoids damage from forced prying. Over 75% of U.S. consumers prefer twist-off designs for their ease of use, according to a 2023 survey by the American Lighting Association. This approach balances simplicity with reliability, aligning with user preferences for low-cost, accessible maintenance.