Натяжитель ремня Caterpillar 3902387

A Belt Tensioner is a mechanical device used in automotive engines and other machinery to maintain proper tension in belts. The belt tensioner usually consists of a pulley mounted on a spring-loaded arm. The arm exerts pressure on the belt, keeping it tight. The tensioner may also have an adjustment mechanism to allow for proper tensioning during installation or when the belt stretches over time.Attributes:• Manufactured to a precise specification and are built for durability, reliability, and productivity.• Designed to keep the belt tight and prevent slippage or excessive movement.• Engineered to operate reliably for an extended period without the need for user intervention.Applications: A Belt Tensioner for the alternator features a pulley that the belt wraps around. This pulley allows the belt to rotate smoothly as it transfers power from the engine to the alternator.