Chainsaw Tensioner Not Working

As a chainsaw owner, there’s nothing more frustrating than when your chainsaw tensioner stops working. This can be a major inconvenience, as it can prevent you from using your chainsaw to cut wood. In some cases, it can even be dangerous, as a chainsaw that is not properly tensioned can be more likely to kickback.

If your chainsaw tensioner is not working, there are a few things you can check to try to troubleshoot the problem. In this guide, we will walk you through the steps of diagnosing and resolving a chainsaw tensioner problem. We will also provide tips on how to prevent this issue from happening in the future.

By following these steps, you can quickly and easily get your chainsaw back up and running so you can get back to work.

Why Chainsaw Tensioner Not Working

Chainsaw Tensioner Not Working

Chainsaw Chain Too Loose
Chainsaw Chain Too Tight
Chainsaw Tensioner Spring Broken
Chainsaw Tensioner Pawl Broken
Chainsaw Tensioner Screw Loose
Chainsaw Tensioner Plate Damaged
Chainsaw Tensioner Not Aligned

How to Troubleshoot: Chainsaw Tensioner Not Working

Symptoms of a Chainsaw Tensioner Not Working

There are a few signs that can indicate that your chainsaw tensioner is not working properly. These include:

The chain is loose and slipping off the guide bar.
The chain is too tight and difficult to turn.
The chain makes a rattling noise when it is running.
The chain breaks frequently.

Causes of a Chainsaw Tensioner Not Working

There are a few different things that can cause a chainsaw tensioner to stop working properly. These include:

A worn-out tensioner spring. The tensioner spring is responsible for keeping the chain tight. If the spring is worn out, it will not be able to provide enough tension and the chain will become loose.
A damaged tensioner arm. The tensioner arm is the part of the chainsaw that the spring attaches to. If the arm is damaged, it will not be able to apply the necessary force to the spring and the chain will become loose.
A clogged oil port. The oil port on the chainsaw is responsible for providing lubrication to the chain. If the port is clogged, the chain will not be able to get enough oil and it will wear out faster.
A dirty or damaged guide bar. The guide bar is the part of the chainsaw that the chain rides on. If the bar is dirty or damaged, it will cause the chain to bind and become loose.

How to Troubleshoot a Chainsaw Tensioner

If you suspect that your chainsaw tensioner is not working properly, you can troubleshoot the problem by following these steps:

1. Inspect the tensioner spring. Look for any signs of wear or damage. If the spring is broken or stretched, it will need to be replaced.
2. Inspect the tensioner arm. Look for any signs of damage or deformation. If the arm is bent or cracked, it will need to be replaced.
3. Clean the oil port. Use a small brush to clean out any dirt or debris that may be clogging the port.
4. Inspect the guide bar. Look for any signs of damage or wear. If the bar is damaged, it will need to be replaced.

Once you have inspected the chainsaw tensioner, you can determine the best course of action. If the spring or arm is damaged, it will need to be replaced. If the oil port is clogged, it can be cleaned. If the guide bar is damaged, it will need to be replaced.

How to Replace a Chainsaw Tensioner

Replacing a chainsaw tensioner is a relatively simple task that can be completed in a few steps. Here are the steps involved:

1. Turn off the chainsaw and disconnect the spark plug wire. This will prevent the chainsaw from starting accidentally.
2. Remove the chainsaw chain. This will give you access to the tensioner.
3. Locate the tensioner bolt. The tensioner bolt is usually located near the front of the chainsaw.
4. Loosen the tensioner bolt. Use a wrench to loosen the tensioner bolt.
5. Remove the tensioner spring. Use a pair of pliers to remove the tensioner spring.
6. Install the new tensioner spring. Make sure that the new spring is the same size as the old spring.
7. Install the tensioner bolt. Use a wrench to tighten the tensioner bolt.
8. Reattach the chainsaw chain.
9. Start the chainsaw and test the tensioner. The chain should be tight and should not slip off the guide bar.

Preventative Maintenance

The best way to prevent problems with your chainsaw tensioner is to perform regular maintenance. This includes:

Lubricating the chain regularly. This will help to keep the chain from wearing out and binding.
Cleaning the chainsaw regularly. This will help to prevent dirt and debris from clogging the oil port.
Inspecting the chainsaw regularly. This will help you to identify any problems early on and take steps to correct them.

By following these simple steps, you can help to keep your chainsaw tensioner working properly and extend the life of your chainsaw.

FAQs About Chainsaw Tensioner Not Working

What causes a chainsaw tensioner not to work?

There are a few different things that can cause a chainsaw tensioner not to work. Some of the most common causes include:

A worn-out or damaged tensioner spring. The tensioner spring is responsible for keeping the chain tight on the saw blade. If the spring is worn out or damaged, it will not be able to do its job properly and the chain will become loose.
A seized or stuck tensioner arm. The tensioner arm is responsible for moving the tensioner spring and adjusting the tension on the chain. If the arm is seized or stuck, it will not be able to move properly and the chain will become loose.
A broken or damaged tensioner bolt. The tensioner bolt is responsible for holding the tensioner arm in place. If the bolt is broken or damaged, the arm will not be able to move properly and the chain will become loose.

How do I fix a chainsaw tensioner that is not working?

To fix a chainsaw tensioner that is not working, you will need to identify the cause of the problem and then take the appropriate steps to fix it. Some of the most common fixes include:

Replacing the tensioner spring. If the tensioner spring is worn out or damaged, you will need to replace it with a new one.
Freeing up the tensioner arm. If the tensioner arm is seized or stuck, you will need to free it up so that it can move properly.
Replacing the tensioner bolt. If the tensioner bolt is broken or damaged, you will need to replace it with a new one.

How can I prevent my chainsaw tensioner from failing?

There are a few things you can do to prevent your chainsaw tensioner from failing. Some of the most important things to keep in mind include:

Regularly inspecting the tensioner. You should inspect the tensioner regularly for signs of wear and tear. If you see any damage, you should replace the tensioner as soon as possible.
Using the correct oil and lubricant. Using the correct oil and lubricant for your chainsaw will help to keep the tensioner working properly.
Following the manufacturer’s instructions. You should always follow the manufacturer’s instructions for using and maintaining your chainsaw. This will help to keep your chainsaw in good working order and prevent the tensioner from failing.

What are the symptoms of a chainsaw tensioner that is not working?

There are a few different symptoms that can indicate that your chainsaw tensioner is not working properly. Some of the most common symptoms include:

The chain is loose on the saw blade.
The chain is jumping off the saw blade.
The chain is difficult to start.
The chain is making a lot of noise.

If you notice any of these symptoms, you should have your chainsaw tensioner checked by a qualified technician.

What happens if I keep using a chainsaw with a bad tensioner?

If you continue to use a chainsaw with a bad tensioner, you could damage the saw blade, the chain, or yourself. A loose chain can jump off the saw blade and cause serious injury. It can also damage the saw blade by causing it to wear unevenly. A bad tensioner can also make it difficult to start the chainsaw and can cause the chain to make a lot of noise.

It is important to have your chainsaw tensioner checked and repaired as soon as possible if you notice any of the symptoms listed above.

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