Question about Yard Machines 24a 452g729 5.5 Hp Chipper Shredder

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How to sharpen blades on a Yard Machine 6.5 chipper

I bought this chipper shredder used and it won't chip branches. I assume the blades are dull and need sharpening. I have no manual so not sure where to start without disassembling the entire unit.

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  • Ed Lee
    Ed Lee May 02, 2014

    First, disconnect the spark plug wire. Next, remove the feed chute. Now you can rotate the chipper flywheel by hand, (clockwise) and access the blade holders. The blades are held on with Allen screws and the can be hard to get off. A heat gun or propane torch may help. Once you get the blade off I recommend you take them to a pro these blades need to be balanced to each other. When you reassemble the blades to the flywheel be sure to use Locktight or others thread locking compound.

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Posted on Nov 08, 2009

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Great input tina783. I have just one thing to add. Try to shred the branches within a reasonable amount of time. I found out that with my shredder, if I put older, dried up branches in, it tends to take a lot more time, as well as tosses chips back out at you. With newly cut branches, this wasn't nearly as much as an issue.

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