Stihl Chainsaw Tension Screw Not Working: [Reasons + Fixed]

As a chainsaw owner, there are few things more frustrating than a tension screw that doesn’t work properly. Whether it’s seized up, stripped, or simply won’t tighten enough, a malfunctioning tension screw can make it impossible to use your chainsaw safely and effectively.

In this guide, I’ll walk you through the process of troubleshooting a Stihl chainsaw tension screw that’s not working. I’ll cover common causes of the problem, as well as step-by-step instructions on how to fix it. By the end of this guide, you’ll be able to get your chainsaw back up and running in no time.

So if you’re experiencing problems with your Stihl chainsaw tension screw, read on for help!

Most Common Reasons Why Stihl Chainsaw Tension Screw Not Working

Defective Tension Screw

The most common reason for a Stihl chainsaw tension screw not working is that the screw is defective. This can happen if the screw is made of a poor quality material, or if it has been damaged. A defective tension screw will not be able to tighten the chain properly, and the chain will be loose.

Damaged Chain Brake

The chain brake is a safety mechanism that prevents the chain from moving when the chainsaw is not in use. If the chain brake is damaged, it can prevent the tension screw from working properly. This is because the chain brake will keep the chain from moving, even when the tension screw is tightened.

Improper Chain Installation

If the chain is not installed properly, it can prevent the tension screw from working properly. This is because the chain must be installed in a specific way in order for the tension screw to be able to tighten it properly. If the chain is not installed correctly, the tension screw will not be able to apply enough pressure to the chain, and the chain will be loose.

Incorrect Chain Tension

The tension screw is used to adjust the tension of the chain. If the chain is too tight, it will be difficult to operate the chainsaw. If the chain is too loose, it will be dangerous to operate the chainsaw. The tension screw must be adjusted so that the chain is neither too tight nor too loose.

Dirty or Damaged Tension Screw

If the tension screw is dirty or damaged, it can prevent the tension screw from working properly. This is because the dirt or damage can prevent the screw from turning properly. To fix this problem, the tension screw must be cleaned and/or replaced.

How to Troubleshoot: Stihl Chainsaw Tension Screw Not Working

Understanding the Tension Screw

The tension screw on a Stihl chainsaw is a crucial component that allows you to adjust the tension of the chain. It ensures that the chain is properly aligned and securely in place for safe and efficient operation.

Identifying the Issue

When the tension screw on your Stihl chainsaw is not working as it should
you may notice the chain becoming loose during operation or having difficulty adjusting the tension as needed. It’s important to address this issue promptly to prevent potential safety hazards and maintain the performance of your chainsaw.

Inspecting the Tension Screw

Start by inspecting the tension screw for any visible damage
wear
or debris that may be obstructing its function. Ensure that the screw is not stripped or worn out
as this can hinder its ability to adjust the chain tension effectively.

Cleaning and Lubricating

Clean the tension screw and the surrounding area to remove any dirt
sawdust
or debris that may be causing interference. Use a soft brush or compressed air to clear out any buildup
and then apply a suitable lubricant to ensure smooth operation of the tension screw.

Checking the Tensioning Mechanism

Examine the entire tensioning mechanism to ensure that all components are in good condition and functioning properly. Look for any signs of wear or damage on the tensioning system
including the bar
chain
and associated parts.

Adjusting the Tension Screw

If the tension screw is still not working after cleaning and inspection
attempt to adjust it according to the manufacturer’s guidelines. Follow the recommended procedure for tightening or loosening the tension screw to achieve the appropriate chain tension.

Seeking Professional Assistance

If the issue persists despite your efforts to troubleshoot the tension screw
it may be necessary to seek assistance from a qualified chainsaw repair professional. They can provide a comprehensive assessment of the tensioning system and address any underlying issues that may be affecting its functionality.

Conclusion

Maintaining a properly functioning tension screw is essential for the safe and effective operation of your Stihl chainsaw. By understanding the potential causes of a malfunctioning tension screw and following the appropriate troubleshooting steps

FAQs: Stihl Chainsaw Tension Screw Not Working

Why is my Stihl chainsaw tension screw not working?

There are a few reasons why your Stihl chainsaw tension screw might not be working. Here are some of the most common causes:

The screw is not tightened enough. Make sure that the screw is tightened all the way down. If it is not, the chain will not be able to stay tight and will come off the bar.
The screw is stripped. If the screw is stripped, it will not be able to grip the bar and will not be able to tighten the chain. You will need to replace the screw.
The bar is bent. If the bar is bent, it will not be able to sit flat against the screw and will not be able to be tightened properly. You will need to straighten the bar before you can tighten the screw.
The chain is too loose. If the chain is too loose, it will not be able to stay tight against the bar and will come off. You will need to tighten the chain before you can tighten the screw.

How do I tighten the tension screw on my Stihl chainsaw?

To tighten the tension screw on your Stihl chainsaw, follow these steps:

1. Turn off the chainsaw and remove the spark plug.
2. Locate the tension screw on the side of the chainsaw.
3. Use a screwdriver to turn the screw clockwise until the chain is tight against the bar.
4. Reinstall the spark plug and start the chainsaw.
5. Test the chain to make sure that it is tight and that it does not come off the bar.

What happens if the tension screw is too tight?

If the tension screw is too tight, the chain will be difficult to move and the chainsaw will not be able to cut properly. The chain may also come off the bar.

What happens if the tension screw is too loose?

If the tension screw is too loose, the chain will be too loose and will come off the bar. The chain may also damage the bar and the chainsaw.

How often should I check the tension screw on my Stihl chainsaw?

You should check the tension screw on your Stihl chainsaw every time you use it. This will help to ensure that the chain is properly tightened and that it does not come off the bar.

Also Read: Worx Chainsaw Not Working

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