Overview. General’s Cotter Pin Puller helps you to easily and safely remove steel cotter pins from confined areas. The compound bend design facilitates use of the tool with either a pull or a twist motion. In addition, the heavy duty screwdriver handle provides a familiar, comfortable grip.

What is a pin puller used for?

Functions. A pin puller is almost unlimited for one shot type devices. They are used for emergency door release on helicopters and space capsules, fin and wing release, fuze arming, satellite release systems and missile release.

What do cotter pins look like?

Also known as a split pin, a cotter pin is a simple fastener that’s used to secure a bolt — or any other rod-shaped fastener — in place. As shown in the adjacent image, cotter pins consist of a narrow U-shaped piece of metal with a flared and circular top.

Are cotter pins necessary?

Are Cotter Pins Necessary? Cotter pins, while not considered necessary to every installation, may be necessary depending on the application. For example: A motorcycle front wheel is often held on by a castle nut and a cotter pin as it is subject to intense constant vibrations.

What tools are needed for cotter pins?

A Cotter pin serves as a locking mechanism, and it is used in different situations. For use, it requires nothing more than a bolt and a hole in it or a drill.

How do I get rid of R clip?

The straight leg of the R-clip is pushed into a hole near one end of the shaft until the semicircular “belly” in the middle of the other, bent leg of the R-clip grips one side of the shaft resisting any force removing the R-clip from its hole.

How do I remove my lynch pin?

To remove the pin, grasp the large loop of the pin and pull backward out of the part the pin is inserted into.

How do you use a hairpin cotter pin?

So, for a hairpin cotter pin, you can only insert it by only one side as it has only one plain pin of the two. All you have to do is to insert the pin into the bolt hole and bent the pins according to the need in the opposite directions. And then use pliers to bend the extra length of the pin.

What are pins fasteners?

pin fastener, a steel pin, usually cylindrical, that can keep machine parts in proper alignment or fasten them together. … The pin is driven into a tapered hole that extends radially through the hub and shaft. The split cotter pin is used to prevent nuts from turning on bolts and to keep loosely fitting pins in place.

How do castle nuts work?

Castle nuts are nuts that look like crowns or parapets of mid evil castles. These nuts are used together with a bolt and a cotter pin to create a secure nut in place so that it cannot be tightened or loosened.

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What does a split pin look like?

A split pin, also known in the United States of America as a cotter pin or cotter key, is a metal fastener with two tines that are bent during installation, similar to a staple or rivet. Typically made of thick wire with a half-circular cross section, split pins come in multiple sizes and types.

Are cotter pins used with cap nuts?

While cotter pins come in many shapes and sizes, the most common is the split pin variety. Cotter pins are used with castle nuts to lock the nut onto a bolt and prevent it from spinning loose accidentally.

What are cotter keys?

n. A split cotter inserted through a hole or holes and bent at the ends to fasten two or more parts together.

For which nut split pin is required for locking?

Slotted/Castle nut: It consists of a hexagonal portion with a cylindrical upper part which is slotten inline with the center of each face. The split pin passes through two slots in the nut and a hole in the bolt so that a positive lock is obtained unless the pin shears.

What is the nut that has a dome over the top to keep the bolt from being exposed?

Cap nuts or acorn nuts have a domed shape and hexagonal driving surface. You can often install them by hand. They screw onto the exposed threads on a bolt or threaded rod to protect against injury, damage and to add a decorative look.