The Parts of a Chainsaw

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Some of the major parts of a chainsaw include the bar, the cover assembly, the clutch assembly, the motor, the exhaust system, an oil tank, a recoil starter, the chain and the bar. Learn about additional parts and functions of chainsaws with help from a certified home inspector in this free video on tools and construction.

Part of the Video Series: Chainsaws & Tools
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Video Transcript

Hello, my name is Mark Blocker. In this segment we're going to cover the parts of a chainsaw. Okay, the parts of a chainsaw. I've got a chainsaw broken down here so I can demonstrate easier. There are a lot of parts to a chainsaw, so I'm just going to briefly touch off on some of the major parts. This is a bar of the chainsaw. It's what the chain and cutting teeth itself ride on. It holds the chain straight and allows you to cut through the wood. This is the cover assembly that holds the bar and chain on. Here we have the clutch assembly that drives the chain on the backside of this. We have the motor, we can see the top half of the cylinder wall and air cooling. Exhaust system over here. This is the fastening assembly that holds the bar, chain and cover assembly on. As I flip the saw around, we can see we've got an oil tank here in the front. This one lubricates and provides oil for the chain and the bar. The fuel tank, that's where you put your two-cycle mix of oil and gasoline. We've got a recoil starter here on the left hand side.The lower handle assembly, with safety catch. Trigger assembly, and this is what regulates your throttle control. A on and off switch. The upper cover's been removed. Carburetor assembly, air filter assembly, that's been removed so we can see the motor a little bit better. And of course, the spark plug. That's just a brief overview of the parts of a chainsaw.


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