Any advice on a 3 year old Hammer K3 that started a vibration last night. I have removed the blade and does not change I pulled on the shaft no up and down movement. Belt looks okay, makes a start up noise that I don’t remember hearing, the saw has at max 12 hours on it. I have a call into Felder I am asking as the group knows all. Yes I hold the on button for a few seconds. Brake works okay. I replaced the belt when I received the saw as the original belt was on the pulleys wrong. Thanks for any help. Doug

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12 hours?? Only thing I can imagine is you have something? stuck? to a pulley or other rotating component.? I'd look for interference.?? It's unlikely? the electrics? would do that.? And since the brake works? I'd not look there.?? I think it's physical.

Did you check that the blade is on tight?

Sorry for slow reply. Felder sent a couple tech’s out and replaced the arbor bearings. No vibration still has a slight noise but nothing you can hear with the blade on. The saw is 4 years old my error but Felder did the work under warranty. After watching them replace the bearings I would not be able to do as the nut that holds the arbor in needs a special tool that the tech had to make. The Felder guys are great guys to talk to. The tech’s had knowledge that was very helpful and they have great personalities. I have only used the saw for about 20 minutes as now comes spring and summer. I don’t have AC in my shop. ?Thanks Cliff for responding to my question. Doug