What is a Puller?

A puller is a tool primarily used for removing mechanical parts or components from a machine. It is commonly used to remove parts such as shafts, gears, and bearings. There are different types of pullers, mainly the "two-jaw" and "three-jaw" types, which are chosen based on the specific parts to be removed and the working environment. The primary function of a puller is to attach the jaws to the target part and apply force to pull it out. Pullers come in manual and hydraulic types, with the choice depending on the task at hand.

Pullers play a crucial role in the maintenance of vehicles and industrial machinery, especially when replacing or repairing parts. For example, they are widely used in automotive repair to remove wheels, axles, or other parts embedded inside machines. Pullers are particularly useful when parts are stuck or require high force for removal. They provide an efficient and safe way to extract components without causing damage, making them ideal for tasks requiring precision.

Application of Puller

１．Removing Car Wheels
During tire replacement, a puller can be used to remove the wheel if it is stuck. By using the puller, the force is applied evenly, allowing the wheel to be removed without causing damage.
２．Removing Bearings from Machinery
During machine maintenance, if bearings are stuck and cannot be removed, a puller is used to safely extract the bearings. The puller's ability to apply high force makes it ideal for removing stuck components.
３．Changing Bicycle Gears
If bicycle gears are stuck, a puller can be used to easily remove the gears. The three-jaw type puller is especially useful for parts with complex shapes.
４．Replacing Parts in Industrial Machinery
During machinery repairs in factories, a puller is used to safely remove damaged components before replacing them with new ones.

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