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Message: <blockquote data-quote="leaddog" data-source="post: 41699" data-attributes="member: 3336"><p>I have a 4520 that I rebuilt the planatary box. Go to the asv website and download the manual and it will give instruction on removeing the tracks. Follow the instructions or you will have a hard time. They are heavy and only go on and off one way. I would pull the planitarys apart if they were dry. One of mine had bearings totaly wiped out and was full of dirt, broken balls etc. i thought it was total shot but when i cleaned it up there wasn't a chipped tooth or bad wear at all. Replaced bearings and seals and it was good to go. But I was very lucky. pm or email me and I can send you a part break down for mine. I don't know if it is the same but think it is.The parts cost from $300 to 500 for bearings and seals. Only found seals from asv and they were expensive. I replaced one side of cage rollers. I bought some steel tubing for the inside and some UHMW plastic tubing for the outer rollers. I think the steel was 1/2x1inx10ft and the UHMW tubing was 1inx 1 1/2x6ft and I need two of them. I then cut them to lenght and replaced the old. I was able to save the long bolts and reuse them but....... I had a bear of a time getting them apart. It has worked out very good and they seem to be wearing about the same as new. It was alot of work but saved me a ton. If the inside rollers hadn't been wore so much I could have gotten by with just the UHMWP but they were to far gone. Also if the outer rings are to far warn then you will have to replace them. leaddog</p></blockquote><p></p>

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