A chainsaw is a great tool. But it takes knowledge and practice to use it confidently and safely.
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Before operating your saw, read the owner's manual to understand all the controls and safety features. Always follow the safety recommendations. You'll need protective clothing:
See Chainsaw Safety for more tips and instructions.
Some hard hats include built-in hearing protection and a face shield.
To start a chainsaw with a cold engine, place it on flat ground. Push the chain brake forward until it engages.
Electric chainsaws start with the pull of a trigger. Corded models require a suitable extension cord. Follow the device manufacturer's instructions for selecting compatible extension cords and see Power Cord Safety Tips. Be mindful of the cord's location as you cut.
Pull the start / choke control out to the ON position. Push the decompression valve — if you have one — and press the primer bulb about 6 times.
Always hold the front handle with your left hand and put your right foot on the rear handle. Pull the starting handle with your right hand until the saw fires.
Push the choke in and pull again. When the saw starts, squeeze the throttle quickly to disengage the high idle. To stop the saw, just turn off the ignition switch.
To make a cut, hold the front handle with your left hand — thumb wrapped underneath — and grab the rear handle with your right hand. Get in position — legs apart for stability — and pull back the chain brake to disengage it. Then squeeze the throttle. The saw cuts best when the engine is at full throttle.
Keep others at least 15 feet away when you are using the saw. When felling trees, increase this distance to at least double the height of the tree.
Your saw must be properly maintained to operate safely. Your manual lists the maintenance items and when to do them.
Turn the saw off before performing maintenance, checks or adjustments. Disconnect the spark plug on a gas-powered saw and disconnect an electric saw from the power source. Testing the chain brake and chain lubrication are exceptions — the saw must be running for these procedures.
Keep the chain sharp, but check your saw and chain documentation before sharpening it. Some chains require a specific sharpening device and should not be sharpened manually. Some manufacturers recommend having the chain and depth gauges on their saws sharpened and filed by a professional. If you can sharpen the chain manually, it's not hard to do with a filing kit.
Wear heavy work gloves when handling the chain.
Secure the bar in a vise. Activate the brake to lock the chain.
Sharpen the cutting teeth. Place the gauge with arrows pointing toward the bar nose. Using a round file, file every other tooth at right angles to the rollers with a pushing stroke. Release the brake to access the teeth, and then re-engage it.
When you've gone around the chain, turn the saw around and file the other teeth.
When the teeth are done, file the depth gauges with a flat file. Place the guide over the teeth using the hard or soft wood positions — depending on wood you're cutting. File until the file contacts the depth guide.
The chain's depth gauges control how deeply the saw cuts. Typically, about every third time you sharpen the chain, you should file the depth gauges. Use the specified depth gauge tool for your chain.
If, over time, the chain has been sharpened back to the angled guide line on the teeth, it should be replaced.
Consider assembling a tool kit with maintenance essentials:
Never cut with the tip of the saw and be aware that the upper part of the saw tip is the area most prone to causing the chainsaw to kick up and back toward you.