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Soeren

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  1. Ok, so finally the assumption is something unwanted (stone, metal piece, whatsoever shitty...) got into, shaked the whole flywheel shaft so heavily that at least the front bearing broke, one knife hit the anvil, the others not however. If you are sitting in front of 2~3 meter high hills of bushes and branches, I suppose it just happened that we throw in something that shaked the whole construction so much. Either we were lucky or the Arbtrak is just so sturdy, but I can remember that we chipped 5~10 minutes after hearing that strange sound and only then turned the machine down.
  2. Hi, looks like our last postings crossed. So here is a foto of one cutter disc. The inside disc looks normal, also the second outside disc has only very little signs of wear. Never had such huge impacts before. What do you mean by "end to end movement"? I checked up/down, very little, same as left/right. And in fact at a certain position I can hear a slight creaking. I measured also the current misalignement, the fan blades have zero to the left and 5mm to the right. So after the repair that should yield the 2.5mm on each side then again.
  3. @monkeybusiness: Bingo, exactly as you described. The motor shaft moves slightly, maybe 1~2 mm. @Jase hutch: Would this be enough description to provide spart part numbers?
  4. Hello, after the summer pause we just started to use our Arbtrak 190 on some groundcare in the forrect when after a half day session I noticed a strange sound coming from the motor compartment; a little bit like something would touch metal hardly from time to time. Opening the compartment and also the chipper box, I noticed three things: The two outer discs had significant defects. So I suppose somewhat like a stone got fed together with the wood and brushes. Not sure if this is related, just want to mention it. The discs had been just recently turned, so I assume it really happened in our recent works. Three wings of the 400mm fan at the flywheel had some smaller breakouts, two very little, one maybe like a one-pound coin. I also noticed they would just so touch the left (left as looking from the front part of the motor) part of the fan housing. That's the obvious reason why some little parts came off. The wings do not touch on the right side, so there is some kind of mis-alignment of the flywheel system I suppose. (foto 1 + 2) Most interesting, see foto 3: I measured the distance of the square box (not sure how this named), that holds the flywheel axle to the left and right side of the housing and it's the same here: The distance to the left is slightly smaller then to the right. Please note the foto is not perfectly made centered to the axle, so it does not look symetrically. But the difference left to right space is barely noticable with the eye, I haven't measured but I suppose its somwhere in the range of <2mm. So for me it looks like the fixing for the flywheel is slightly out of alignment. Can this really be caused by stone or something getting into the feed? The fixing looks so massive and it seems not to be moving by the 1/100 of a milimeter that I'm quite astounded on this problem. Especially the two M10 bolts to the left and right of this "holding box" look like they are super-fixed and not moving at all. Is this a common or rare problem? I suppose we need to reposition the flywheel, is this correct? We have all the tools for that but I suppose that's a delicate work anyhow, so any hints on this work would be appreciated. Thanks a lot, Soeren
  5. Finally the parts department's shipment arrived after very short time today and I've received even a few extra screws - thanks. Next time we need to circumvent Riversa somehow 😉 Best, Soeren
  6. Okay, thanks for looking after this even in your off-time 👍 I've just sent out the email, asked for Jack and explained shortly the whole story. Hope that helps now ,-) Best, Soeren
  7. Hi Jase, have to say, unfortunately not (there seems to be always some penalty involved getting any kind of spare parts here in Spain). The two parts came just in a plastic bag, one was opened, so I assume some "helpfull" guy just removed that unneccessary parts... Can I come back to your offer to ship the two pins directly 😉? Thanks, Soeren
  8. Hi Jase, one thing about the country here I don't like is that simple things can take ages for no reason....however, I just received a call that after one week they finally confirmed the part numbers are correct and placed the order. So hopefully you see the order coming in from Riversa quite soon. Thanks for adding the pins! Best, Sören
  9. Ok, I'll order locally then. But I still need the part number for the two pins ,-) I suppose they can be ordered on their own? Thanks, Soeren
  10. Finally found some time to unmount the assembly. I was not aware the 8 screws would hold the complete v-belt wheels, actually it's one big piece of metal. From the drawings it looked more like at least two parts, but that's okay for me. It looks doable for me to remove the threads inside or if that fails, will get 2/4 new holes prepared from our local mechanics workshop. @jase: So I would need the two pins and a set of mikipulleys. Back in 2021, when the miki's also broke, you posted a different spare numbers for them, P900990015 Clutch end rubber. P900990016 Engine end rubber. Just to verify I'll get the right parts, as you posted "TC204921/2" in your recent mail. How can I get the parts shipped to Spain, I would like to order this week? Thanks! Soeren
  11. Hi Jase, thanks for the quick update. I'll remove the green plate first and check if it's severly damaged or can be still used. Then I'll come through this forum to give you the order. Thanks! Soeren
  12. I'm not sure, but AFAI remember there were two bolts on the motor side, maybe threaded, and the motor part of the clutch system just slided on the bolts. It could be the bolts were threaded into this flange (the part that is attached with 6 screws) and my photo just shows the remaining parts of the threaded bolts. Before unmounting the flange I'd like to check this is the right way to go. Thanks, Soeren
  13. Just posting what I've got from the spare part binder, page 67. It looks like there is some kind of round plate which might hold the bolts? Although in realitity it looks slightly different: Bolts should be kind of stand out and in the spare parts binder there are 6 allen screws but I saw 2 of them and 4 hex cap screws. And the part number of this round plate is missing as well in the binder. Soeren

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