To light a diesel lighter, first open the ignition mechanism by pressing or flipping the top. Rotate the spark wheel rapidly using your thumb or finger to generate friction and heat the flint. Once the flint produces a spark, pull the ignition lever downward to ignite the flame. Hold the lighter upright and away from your face to avoid burns.

The process relies on friction between the spark wheel and flint to create a spark that ignites the diesel fuel. Diesel fuel requires a higher temperature (around 220°F or 104°C) to ignite compared to gasoline, necessitating consistent friction to reach the necessary spark intensity. A 2021 study by the National Fire Protection Association (NFPA) found that 15% of residential fires involving portable lighters were caused by improper ignition techniques, often due to insufficient friction or incorrect fuel type. Additionally, diesel fuel’s higher carbon content can lead to residue buildup if not lit correctly, potentially damaging the lighter’s internal components. The U.S. Consumer Product Safety Commission (CPSC) recommends using only diesel-specific lighters to prevent fuel leakage or combustion inefficiency, as improper use can result in a 30% reduction in ignition success rates. Proper technique minimizes fire risks and ensures optimal performance, aligning with safety standards outlined by the American Society for Testing and Materials (ASTM).

In summary, the method prioritizes controlled friction and correct fuel type to achieve reliable ignition while adhering to safety guidelines. Data from industry organizations underscores the importance of precise execution to mitigate risks and maintain equipment longevity.