Chainsaw Safety, Part 4: Reducing the Risk of Chainsaw Kickback (Just say No to Kickback!)

Chainsaw Safety, Part One

Chainsaw Safety, Part Two

Chainsaw Safety, Part Three

In the first three articles of this series on chainsaw safety we focused on having the right types of safety equipment when using chainsaws. It is imperative to have all of the right OSHA (Occupational Safety and Health Administration) approved safety features when you or your employees use chainsaws. In this article, we will look at how to prevent kickback injuries, one of the most common ways that chainsaw injuries occur. What is kickback? It happens when the top front tip of the chainsaw bar hits an object, and “kicks back”, oftentimes hitting the operator and causing either death or grievous bodily harm.  

Chainsaw1 22axkd7I speak from experience. In the fall of 1983 I was out in my farmyard cutting firewood with a fairly new chainsaw but it did not have a chain brake installed on it.  I pointed the  tip of the bar at a chunk of wood to see if oil was coming onto the blade, when for a millisecond it hit said chunk of wood and kicked back into my face and upper left shoulder, for which I still bear those scars to this day.  If it had had a chain brake I would still have been hit, but the chain would not have been turning and ripping its way through my body. Seventy some stitches and a period of convalescence ensued.    

Select a chain saw that is equipped with kickback-reducing devices (e.g., chain brake, low kickback saw chain or reduced kickback saw chain) that are designed for the chain saw that you are using and meet OSHA standards. These devices will reduce but will not prevent kickback.  

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Watch the guide bar nose. Do not let it touch logs, branches, or the ground when the saw is running. The majority of chainsaw accidents come fromChainsaw2 1 1aii6ph kickback.   
Run the saw at full power when cutting, and keep the chain sharpened to specifications (e.g. correct depth and angle). Matching the chain and bar for exact and correct pitch and gauge is imperative, and set depth gauges to manufacturer’s settings. Maintain correct chain tension as shown in the last edition of SFQ. Hold the saw securely with both hands. Have one hand on the handle bar and the other on the grip or trigger, and do not operate the saw left handed, as the blade will hit you directly with kickback if you do so. 

Ensure that you have firm footing before starting to saw, and stand to side of the cutting path of the chain saw. Also, position yourself so that you are not near the cutting attachment when the chain saw is running. Knowing where the bar tip is at all times is crucial. Make sure the chain brake functions and adequately stops the chain. The stopping power of a chain brake can be greatly reduced by wear, or by oil, dirt or sawdust in the brake parts. DO NOT USE A CHAINSAW IF IT DOES NOT HAVE A CHAIN BRAKE! Sometimes installing a safety tip that covers the nose of the guide bar on the saw helps to prevent contact with the kickback zone. The tip must be removed for making bore cuts (pocket cuts) or for cutting wood thicker than the length of the guide bar. Always wear the required personal protective equipment! 

As has been mentioned in previous articles, attendance at one of the “Game of Logging” sessions can provide you and your employees with the proper training in the use of chainsaws. Keep the tip of the moving bar away from any object!   

Rich Taber

Rich Taber is the Livestock and Forestry Educator for Cornell Cooperative Extension of Chenango County, New York. He lives with his beef cows and other creatures on a 165-acre farm in the high, remote hills of nearby Madison County. He can be reached at email
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