40 How To Fix A Staple Gun Spring

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How to Fix a Staple Gun Spring


Staple guns are essential tools for various DIY projects, upholstery work, and even professional construction tasks. However, like any mechanical device, staple guns can sometimes encounter issues, such as a broken or damaged spring. When the spring in your staple gun malfunctions, it can greatly affect its performance and make it difficult to complete your projects efficiently. In this article, we will guide you through the process of fixing a staple gun spring, ensuring that you can get back to work in no time.

Understanding the Staple Gun Spring

Before we dive into the steps of fixing a staple gun spring, it's important to understand how the spring operates within the tool. The spring is a crucial component responsible for providing the necessary tension to drive the staples into the material. It works by compressing when you squeeze the trigger, releasing energy to propel the staple forward. When the spring is damaged or broken, it can prevent the staple gun from functioning properly.

Identifying the Issue

The first step in fixing a staple gun spring is identifying the exact issue. There are several common problems that can occur with the spring, such as it being misaligned, disconnected, or broken. By examining your staple gun closely, you can determine the specific problem and proceed with the appropriate solution.

Gathering the Tools

Before you begin the repair process, it's essential to gather the necessary tools. Here are some items you may need:

  • Phillips screwdriver
  • Flathead screwdriver
  • Needle-nose pliers
  • Replacement spring (if necessary)
  • Lubricant (optional)

Disassembling the Staple Gun

To access and repair the spring, you'll need to disassemble the staple gun. Start by removing any remaining staples from the magazine, ensuring that the tool is not loaded. Then, carefully unscrew the screws holding the staple gun's casing together. Keep track of the screws to ensure they are properly reinstalled later.

Examining the Spring

Once you have disassembled the staple gun, inspect the spring for any visible signs of damage. Look for any breaks, bends, or misalignments. If the spring appears to be in good condition, it may simply be disconnected from its proper position.

Realigning the Spring

If the spring is misaligned, carefully maneuver it back into its correct position. Use your needle-nose pliers to gently guide the spring into place, being cautious not to apply too much force. Ensure that the spring is properly seated and secured within the staple gun.

Repairing a Broken Spring

If the spring is broken, you will need to replace it with a new one. Consult the manufacturer's instructions or a reliable online resource to find the appropriate replacement spring for your specific staple gun model. Once you have obtained the replacement spring, follow the steps outlined in the previous section to disassemble the staple gun and access the broken spring.

Removing the Broken Spring

To remove the broken spring, carefully detach it from the staple gun's mechanism. Depending on the design of your staple gun, this may involve unhooking the spring from specific anchor points or removing retaining clips. Take note of the spring's original position and orientation to ensure correct installation of the replacement spring.

Installing the Replacement Spring

Once the broken spring has been removed, it's time to install the replacement. Align the new spring with the anchor points or retaining clips, following the original orientation. Use your needle-nose pliers to secure the spring in place, ensuring it is properly tensioned and positioned.

Reassembling the Staple Gun

With the new spring in place, carefully reassemble the staple gun by attaching the casing and tightening the screws. Make sure all components fit correctly and that there are no loose or misaligned parts. Once the staple gun is fully reassembled, test its functionality by loading a few staples and firing them into a scrap material.

Maintaining Your Staple Gun

To prevent future issues with your staple gun's spring, it's important to perform regular maintenance. Keep the tool clean and free from debris, as this can affect the spring's performance. Lubricating the moving parts periodically can also help ensure smooth operation. Refer to the manufacturer's instructions for specific maintenance guidelines.


Fixing a staple gun spring may seem like a daunting task, but with the right knowledge and tools, it can be easily accomplished. By understanding the spring's function within the staple gun, identifying the issue, and following the step-by-step repair process, you can restore your staple gun to its optimal working condition. Remember to exercise caution throughout the repair process and seek professional assistance if needed. With a properly functioning staple gun, you'll be able to tackle your DIY projects with ease and precision.