two_bit_score
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Good luck!
Stump Cutter Teeth
- Thread starter PowerTracManiac
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ruffdog
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Silver solder is used to attach cemented carbide inserts to the base wheel. It is a easy job for the right shop. Some heat around the wheel near the hub will help expand the wheel. Even a propane torch may help. Also, what I have done in the past is drill and tap 2 or 3 holes that match one of my pullers. Something like that I would tap for 1/2" and the puller will push directly on the shaft.
ponytug
Super Member
You might try a hydraulic jack on the axle, and chains behind the wheel, although I think PB, a little heat on the disk at the axle, and some judicious rim tapping would be my first choice.
I do think that replaceable teeth from the factory would be great, but that makes things pricier several ways. Unless you go through teeth quickly, I would make myself a jig and then silver solder new carbide inserts in. It is a quick job. If you have gone through your teeth quickly, a decent machine shop should be able to fabricate a new disk drilled for replaceable teeth pretty easily, or you could buy it from an online fabricator, as only the center axle hole needs to be cut with precision. The rest could be plasma or water jet cut. My recollection is that the Vermeer type grinding disks are thicker, and my guess that is to accommodate the greater centrifugal force on the disk from the larger, heavier, replacement teeth.
All the best,
Peter
I do think that replaceable teeth from the factory would be great, but that makes things pricier several ways. Unless you go through teeth quickly, I would make myself a jig and then silver solder new carbide inserts in. It is a quick job. If you have gone through your teeth quickly, a decent machine shop should be able to fabricate a new disk drilled for replaceable teeth pretty easily, or you could buy it from an online fabricator, as only the center axle hole needs to be cut with precision. The rest could be plasma or water jet cut. My recollection is that the Vermeer type grinding disks are thicker, and my guess that is to accommodate the greater centrifugal force on the disk from the larger, heavier, replacement teeth.
All the best,
Peter
SpringHollow
Elite Member
My recollection is that PT now supplies them with removable teeth.
Ken
Ken
ponytug
Super Member
Oh, one more thing; when you put it back together, a little never-seize on the cleaned axle/disk goes a long way...
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silver Solder won't hold carbide teeth. Must be HT brazed on.
Lnk
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Silver brazing is the correct term, higher silver content and more nickle. It does require higher temps but is still considered silver soldering. Just make sure you clean off all the oxide that builds on the carbide. Diamond stone for the win.
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If it was me, I'd just contact Green Manufacturing and get a new wheel from them that mounts Greenteeth and be done with it. I really like the 900 series Wearsharp carbide teeth myself. One thing about them is there is no brazing or anything else. The bolt on and you actually can rotate them to 3 different positions as the carbide wears. Ground over 30 stumps with mine and they show no wear yet and I believe they offer a sharpening service as well.
OP
PowerTracManiac
Silver Member
Reached the limit of my capabilities. Terry at PT told me to get a chisel in the gap and I put a bottle jack on the end with a chain per ponytugs excellent sugesstion. Disc still not off.
I asked Terry if there was an additional retainer of some sort that I was missing and he didn't think so. Apparently, there have been several iterations of the stump grinder.
I think the only additional thing I could do would be to heat this disc up. I assume you would need a big torch to have any effect on this disc. I don't have a big torch and I don't have any more time to fool with this junk.
I asked Terry if there was an additional retainer of some sort that I was missing and he didn't think so. Apparently, there have been several iterations of the stump grinder.
I think the only additional thing I could do would be to heat this disc up. I assume you would need a big torch to have any effect on this disc. I don't have a big torch and I don't have any more time to fool with this junk.