Without special tools like puller If fast-paced times were today most difficult, some activities and things would certainly be impossible. On the one hand, it is one puller a simple cleaning device and a complicated one Tool, which is designed in different form and for different tasks.

Purpose and purpose of puller as a special tool

Whether in the workshop or in the private household – puller will be needed sometime. Often, bolts, bearings and cranks, as well as many other mechanical components, are stuck tightly, retracted, pressed in and / or shrunk and can not be loosened by hand. Most components are highly sensitive to rough handling such as shock, deform or jam. Be here puller used and offer an optimal solution.

Pullers are a special tool that works in principle similar to the cleaning device / window cleaner. Only the tool is not about the elimination of water, but about the removal / separation of mechanical parts. In short: The puller should be interconnected parts (clamped or pressed) of any type such as ball-bearingor disconnect and disconnect sockets on axles. The tool grips one component with its pliers, while the screw presses against the shaft. This ensures a gentle and even separation.

Different models for special tasks

Pullers show up as a tool in very different variants, which should basically fulfill a certain purpose or serve the separation of certain compounds. The most famous pullers are probably the two / three-arm models. These are needed for previously mentioned ball bearings or bushings, for example, to solve them of axes.

For steering axles or ball joint bolts, however, other pullers are used. These are more reminiscent of an inverted short pliers. Finally, pullers are divided into hydraulic and mechanical models. Other variants are internal extractors or special bearing pullers, even joint pullers are offered commercially.

Pullers are also in demand for bikes

By the way: pullers are even needed on bicycles. Most bikes have on their pedal axis conical quadrilateral, which often can not be solved with the usual tools. This is exactly where a special puller is used, specifically a crank puller.

To release the crank, the crank puller must be screwed into the crank. Here already high-quality cranks differ from the inferior models. With professional cranks, the required pull-off function is shown by the fact that a socket is already installed. The crank will be solved in any case and can be removed.

The puller as a real all-rounder

There are actually pullers in other variants, which were always designed for special areas. Their shape and especially their intended function are similar / similar to the already mentioned hydraulic and mechanical pullers with two / three arms.

For example, specialist retailers find pole terminal pullers or tab pullers. There are also special external pullers and pullers, which have a clamping bracket. Exceptional models are, for example, internal extractors (designed for extracting / removing bearings that fit with a fixed outer ring fit into a housing) and internal pullers. Furthermore, there are ball joint or wheel hub pullers available. Other variations of the pullers are, for example, the cartridge wrench, the oil filter claw, so-called nut sprinkler or lancing pin extractor and spring tensioner.

Different construction of the pullers

Most of the mentioned puller variations remind in their design of pullers with two / three arms. Others, like the nut-sprinkler, are visually similar to ordinary pliers. Separators or hub pullers have multiple arms, but the ball joint puller has none. In fact, the latter is similar to a ‚tacker‘. Explaining all models of the pullers certainly goes far beyond the scope of this guide. Tip: In the network, all variants of the pullers are explained extensively (also visually) by a number of dealers / retailers.