I did maintenence work on a track chipper. Basically repair any cracks I find, build up knife pockets & chute behind the pockets. I just try to do the welds on each pocket an even amount to keep it balanced. I haven't had a problem in the past. This time I had to build up inside the disc housing. I just went in as deep as I could reach. Next time we may have to pull the disc out.0423031302.jpg0423031303.jpg0423031258.jpg0423031259.jpg0423031300.jpg