Newbie stumpgrinder issue

[hume1010]

Can anyone tell me why the teeth on the straight pockets are destroyed and why the reverse and angles are almost untouched? Just purchased a bandit 2550 with a revolution wheel. Came with 700 green teeth but machine calls for 900. Could that be a problem? Were they put on in the wrong order? I ground about 10 oak stumps before I finally noticed. Thanks in advance for any advice.


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[southsoundtree]

I'd Google a for a manual. I wonder if both straights are meant to be together.

Your cutters angle cutters look worn.

 

[hume1010]

I'd Google a for a manual. I wonder if both straights are meant to be together.

Your cutters angle cutters look worn.

I found a manual but everything seems to be setup correctly. Straight teeth, then reverse, then angle. Repeat all the way around. The straights are wrecked, even a few pockets. The reverse are almost untouched. Then the angles have some wear.

Correction it’s a green wheel not a revolution.


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[craneguy1]

Pic just looks like it fell out or you hit something that caused it to fall off. Is the straight pocket indexed the furthest out to the edge of the wheel?

 

[hume1010]

Pic just looks like it fell out or you hit something that caused it to fall off. Is the straight pocket indexed the furthest out to the edge of the wheel?

Yes it is. But even the pockets are wrecked on a few.


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[flyingsquirrel25]

@craneguy1 is correct. The straight tooth is set the farthest out on the wheel. In most situations they will strike objects first as they reach farther than the angled ones. Even if you have a reverse angle that reaches across the width of the wheel the straight ones are going to hit first. The angled teeth, in your case look to be set back on the wheel slightly giving them additional protection from striking hard objects... like rocks.

 

[Merle Nelson]

On a side note there is a guy on ebay that grinds green teeth and you ship back and forth using inexpensive flat rate postal shipping.

 

[hume1010]

Thank you all who responded. Learning everyday.


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[deevo]

On a side note there is a guy on ebay that grinds green teeth and you ship back and forth using inexpensive flat rate postal shipping.

Jeff’s Sharpening
Jeff Elarton
Jeff's Sharpening & Supply
12521 Warner St
Hudson, MI 49247
517-306-8204 Office 9-5pm
517-306-3694 Cell 6pm And After
www.jeffssharpening.com



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[deevo]

Pic just looks like it fell out or you hit something that caused it to fall off. Is the straight pocket indexed the furthest out to the edge of the wheel?

I agree, I’ve got the revolution wheel, and it always seems the straight lead tooth because it’s first to contact the stump gets beat up the most, and is prone to hitting the unimaginable ie. rocks bricks metal whatever the hell else the tree has grown around

 

[craneguy1]

Not being familiar with that wheel setup, but having almost 30 years in stumping...not a bad design having the straights take the beating first...in actual grinding, they don't get used much anyway.

 

[craneguy1]

Yes it is. But even the pockets are wrecked on a few.


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Buy many spares...and forget seeing...you must use your ears...kinda like the force. The teeth i see in your pics look dull too.

 

[southsoundtree]

I've often felt like a plastic mirror would be helpful when grinding right next to visible obstacles, like the driveway, a fence post, etc.


A pick mattock, a cutter mattock, and a rock bar are useful tool, depending on your local soils.

Lots of glacial outwash here, so lots of cobbles of various sizes.

 

[hume1010]

Thanks for the tips all. I’ve used Jeff’s for chipper knives. He’s great and close to me.


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