How to Put Chain Back on Worx Chainsaw?

how to put chain back on worx chainsaw
Proper maintenance of power tools like chainsaws is an essential aspect of operational safety and efficiency. In this blog post, I will provide a step-by-step guide on how to put the chain back on a Worx chainsaw and troubleshoot solutions for a Stihl chainsaw that is not oiling the bar properly. Chainsaws are invaluable tools when it comes to cutting and trimming tree limbs, branches, bushes, and other woody debris. However, if the chain becomes loose or comes off entirely, the chainsaw becomes useless. Similarly, a chainsaw that is not properly oiling the bar and chain risks excessive wear, damage, and dangerous operating conditions. By following some simple maintenance steps, you can get your chainsaw back up and running smoothly.

How to Put Chain Back on Worx Chainsaw?

Before starting any power tool repair or maintenance, make sure to work in a clean, dry area and put on appropriate safety gloves. When it comes to putting the chain back on a Worx chainsaw, you will need a few basic tools:

Tools and Preparation

  • Flathead screwdriver
  • Gloves
  • Safety glasses
  • Clean workspace
It’s important to have good lighting and arrange the chainsaw so the chain bar is easily accessible. Make sure the bar and chain are free of sawdust, sap, and other debris before reinstallation.
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Removing the Chain

First, locate the chain tension screw near the front of the chainsaw bar. Use a flathead screwdriver to turn this screw clockwise to loosen chain tension. Keep turning until the drive links can be pulled free from the bar. If needed, engage the chain brake to immobilize the chain while removing it completely from the bar. Take care not to bend or kink the chain as you remove it. Inspect the chain for any damaged drive links or worn sections. A chain in poor condition may need replacement for optimal cutting performance and chainsaw longevity.  

Cleaning and Inspecting the Chainsaw

With the chain removed, take the opportunity to clean the entire bar using a small wire brush. Carefully inspect for any cracks, warping, or sprocket damage. Use a thin object like a paperclip to clear any debris clogging the oil delivery hole. Proper bar maintenance helps ensure smooth chain movement and adequate lubrication. Also check that the sprocket at the chainsaw’s engine is in good condition, with no abnormal wear or broken teeth. A damaged sprocket can quickly destroy a new chain. Replace sprocket if necessary.

Putting the Chain Back on the Worx Chainsaw

Once the bar is clean and inspection complete, it’s time to reinstall the chain. Start by orienting the chain so the drive links match up with the sprocket and guide bar. Loop the chain over and behind the bar, keeping the cutting edges facing outward in the right direction. Align the lower drive links into the bar groove and then fit the upper links in place. The chain may need some gentle wiggling for all drive links to properly seat in the guide bar. How to Put Chain Back On Worx Chainsaw? -  2024 Guide With the chain resting on the bar, use the flathead screwdriver to now turn the chain tension screw counterclockwise. This tightens the chain, pulling it snug around the guide bar. Turn the tension screw until there is only a slight sag in the middle of the bar. Engage the chain brake and pull on the chain at the sag point. Proper tension allows 1/8″ to 1/4″ of vertical movement. Tighten or loosen screw accordingly. Finish by pulling the chain clockwise around the bar by hand and visually inspecting that all drive links are aligned correctly. The chain should move smoothly around the guide bar with light resistance.
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Can I Sharpen the Chainsaw Chain Before Putting it Back on?

Yes, you can sharpening chainsaw chains before putting them back on. It is important to maintain a sharp chain for efficient cutting and safety. Regular sharpening ensures optimal performance and extends the lifespan of the chainsaw. By sharpening the chainsaw chain, you can achieve smoother cuts and reduce the risk of kickbacks.

Is Tightening the Chainsaw Chain Necessary When Putting it Back on a Worx Chainsaw?

Yes, tightening a chainsaw chain is necessary when putting it back on a Worx chainsaw. This ensures proper tension and prevents accidents during operation. Regular maintenance and periodic checks are important for ensuring the chainsaw’s optimal performance and longevity. Properly tightening the chain will enhance cutting efficiency and overall safety while using the chainsaw.


While chainsaw maintenance may seem intimidating, simple steps like reinstalling a loose chain or troubleshooting oil flow allow you to repair issues and avoid costly shop visits. Following the proper procedures and safety precautions is imperative anytime you service a high-powered tool like a chainsaw. With the right techniques, you can keep your Worx or Stihl chainsaw performing as well as the day you bought it. Be sure to check your owner’s manual and wear protective equipment when doing maintenance. Properly maintained chainsaws are essential for tackling tree limbs, storm debris, and landscape projects.

Frequently Asked Questions

How often should I check the chain tension on my chainsaw?

The chain tension should be checked very frequently, especially when the chain is newer, as these chains tend to stretch during the break-in period. Tension should be inspected before each use, and adjusted as needed until the chain is worn in, typically after several uses.
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What can cause a chainsaw chain to come off?

Excessive chain tension, under-tensioning, and guide bar damage are common culprits. The sprocket can also wear over time and no longer properly seat the chain. Ensuring proper tension adjustments, bar maintenance, and chain replacement when stretched or damaged will help prevent the chain disengaging.

How do I clean the oil hole in my chainsaw bar?

Use a small wire or bristle brush to scrub the oil hole on the guide bar, removing any built-up sawdust, dirt and debris. You can also use a thin wire or paperclip to clear any clogging inside the hole opening. Proper oil hole cleaning is essential for adequate bar and chain lubrication.

What type of oil should I use for my chainsaw bar and chain?

Always use a high-quality bar and chain oil made specifically for chainsaw lubrication. The oil weight and additives are designed to adhere to the bar and chain while resisting being slung off at high speeds. Never use used or reclaimed oil, which lack these essential qualities.

How do I know if my chainsaw’s oil pump is working properly?

With the bar and chain removed, start the chainsaw engine and observe the oil output hole near the sprocket. It should steadily drip or pump oil when running at full speed. If not, there is likely an issue with the oiler component, oil filter, or lubrication lines.

How can I prevent my chainsaw chain from coming off?

Frequently check and adjust the chain tension per the manufacturer’s recommendations. This prevents over-tightening and stretching. Also inspect the guide bar, sprocket, and chain routinely for signs of wear, replacing components as needed. Proper maintenance prevents the chain disengaging unexpectedly.

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