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BC, Canada | We've been running it without the head or feedrolls on the last few times we've be checking things. It seems to be only when the cutterhead is running and full rpm. Doesn't do it with the cutterhead off. Knives are new this year, doubt he has 15 hrs on them, apparently been vibrating the whole time. I looked at them the other night, none pushed back or bent. Didn't run the sharpener.
We will unhook the belt for the fan drive gearbox, I know the tensioner pulley needed bearings but he hasn't tried it since then.
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Jag 870 vibration
