"tappet wrench"的定义和意义

What is a "tappet wrench"?

A tappet wrench is a type of wrench specifically designed to adjust or remove tappets in engines. Tappets are components that regulate the opening and closing of the engine's valves. The tappet wrench typically has a long handle and a special design that allows it to reach the tappet mechanism, especially in confined engine spaces. It is mainly used in automotive and mechanical repair work, helping to fine-tune engine parts for proper valve operation.