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MattyF

Stump grinder teeth lay out..

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A year after changing the teeth to yellow jackets On our Vermeer 252 I've ended up with jus 4 teeth.. I've regularly checked the teeth pockets but still seem to be loosing them but have ended up with this configuration , it actually seems to work better than the Vermeer recommended set up but I'm concerned it could shorten bearing life any views on this subject ? IMG_0426.jpg

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Dunno Matt... Ive considered it many times..... Says me who's just changed the cutter wheel bearings again on mine! Though mine does get thrown at everything when really a bigger machine would suit the job.... I would have thought maybe 4 teeth one at 12, then 3, then 6, then 9 oclock?

 

Some left and right but also centre ones

 

Looks a big gap / distance before its hitting the stump again a half turn of the wheel? thats why teeth at every quarter?

 

Edited by swinny
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Strangely though it seems to work and surprisingly well .... I'm in the predicament of getting a new set of yellow jackets and do I get a pocket and a few spares and go back to a full set of teeth ... but it seems to be stupidly fast with less teeth... much courser longer chippings... started on this in the afternoon ... threw a tooth and with the snapped bolt in the pocket so just took the opposing tooth off ....started getting worried that was it I would have to pull the machine out and call it a day as it looked a nightmare and it absolutely smashed it and I thought I would be there all afternoon ! IMG_0422.jpg
Just worried it's going to kill the bearings very quickly!

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Well Matt it was only 26 quid per bearing the other day so I wouldn't worry :D

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Poor thing grinding these 5 large stumps out in this bed with boulders the size of jacket potatoes! A sea of them!

 

Did those big 5 and 39 conifer stumps in the day! Hell of an old girl it is! Takes some beating!

IMG_20210719_133939.jpg

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Loving the shade mate ! I think I'll go back to a full set... where are you getting the bearings from at that price ???

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Well I have to say Matty you jynxed me! 

 

Hit a rock today and snapped the bolts clean at the pockets and huge wobble! Ball ache! Had to go home.to get bar and Allen socket.... Removed the other side so should be balanced but it was horrible. Not balanced at all.... Just about managed to finish stump and was glad to switch the machine off! 

 

The way Vermeer did it was best I say! 

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