2 Common Reasons Why Your Chainsaw Chain Comes off the Bar – Hipa
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2 Common Reasons Why Your Chainsaw Chain Comes off the Bar

by HIPA Jeremy 07 Nov 2022 0 Comments


If you have a loose chainsaw chain, or if the chain continuously comes off the bar, it can not only prevent you from operating your chainsaw properly, but also pose a safety hazard as well. This blog provides information on how to troubleshoot a chainsaw and the most likely defective parts associated with this problem.

Reasons

Here are the top 2 most probable causes.
1.Guide bar or chain
The bar has a groove around the outer edger and the chain has teeth that run inside the groove to keep the chain moving straight. If either of these are damaged, the chain may come loose. Remove the chain cover, chain, and bar to be sure the groove on the bar is clean and in good shape. If it is worn down and shallow, you should replace the bar immediately. Inspect the chain for any worn, bent, or broken teeth and replace it if necessary. Making sure your chain oiler is working properly can also help lengthen the life of your bar.

2.Tensioner
If your chain is tensioned too loose, it can come free from the guide bar during use, that is bad news. The chain should never sag from the bar. If you can pull more than a half inch off the guide bar, it is too loose. Before running your chainsaw, check the tension of the chain and be sure to double check every 20 minutes for the first hour you are cutting. If you have it set correctly but it loses tension, your tensioner may be broken.
Remove the chain cover and the tensioner itself inspecting the screw and tension gear. If you notice any general wear or stripping of the screw itself, replace them immediately.

HIPA SAW CHAINS

Please let us know if this works and if you have any suggestions or comments. Or you can join HIPA DIY COMMUNITY to feature your passion for repair projects, share your stories with the Hipa family and get help from Hipa.

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