How to Install Chain Saw Blades

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By ChristopherD
eHow Contributing Writer

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Chain saws are used in a rough manner. They will need maintenance or repairs from time to time.

Difficulty: Moderately Easy

Instructions

Step 1

Ensure that the chain saw is not plugged in and has no power to it if it is an electric device.
Step 2

Using a socket wrench, remove the two nuts on the side of the casing, near the handle, that attach the cover to the blade. Remove the cover of the casing once the nuts are completely removed. This will reveal the drive socket assembly, bar and chain of the saw.
Step 3

Notice the tension wheel located just inside the bar, and use a flat-head screwdriver to turn the screw to the left and release some of that tension. Pull the chain away from the grooves of the bar. Ensure that all of the grooves are removed all the way down the bar until the chain is free.
Step 4

Work the chain loose from the drive sprocket once it is free from the bar by pulling it over the drive sprocket. The drive sprocket is the wheel that is located just under the handle.
Step 5

Now pull off the bar, or blade, and check to see if repairs or replacements are needed before replacing the chain. If grooves are missing then a replacement is needed.
Step 6

Reverse the steps to replace the chain and bar onto the chainsaw. The steps are as follows: put the blade back on, rework the new chain onto the grooves, turn the tension wheel to the right, replace the casing, and put the nuts back on firmly with the socket wrench.

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