portuncia Posted June 14, 2006 Posted June 14, 2006 I believe it is the bevel gear box shaft that drives the PTO. The pulleys that go on the shaft to drive the PTO and the outside one that drives the tiller are worn. But of more concern is the fact that 1/2 of the keyway in the shaft is worn and chewed up due to someone placing a smaller key in it and driving the pulley setscrews down. Does anyone have a shaft they would like to sell or can I get this part through simplicity. Any ideas for fixing it "as is"
RayS Posted June 14, 2006 Posted June 14, 2006 That shaft is still available new through Simplicity. The part number that you need if you have a variable speed is 2164114 and is $64.00 online at Jack`s Small Engine. I have never bought anything from them in the past. I use there website as a reference for price and availability of parts. You can count on adding 20% to that price anywhere else according to there website. http://www.jackssmallengines.com/searchdb.cfm
portuncia Posted June 14, 2006 Author Posted June 14, 2006 Wow you guys amaze me. What a great forum and helpful site, Kudos to you all for sharing like you do. Thanks for the information by the way!
HubbardRA Posted June 14, 2006 Posted June 14, 2006 Jeff, If the shaft is chewed up in the keyway area, it might be better if you cut a new groove on the opposite side of the shaft. I have done this several times with die grinder (or Dremmel Tool) and some of the carborundum "cut-off" disks. This will allow it to be done in place, without removal to take to machine shop.
portuncia Posted June 14, 2006 Author Posted June 14, 2006 Thats a great idea, two questions though. No problems with shaft balance in taking more material out. What did you use as a guide to help you cut the keyway straight and precise?
RayS Posted June 14, 2006 Posted June 14, 2006 Personally if I was going to the exspense of replacing the shaft, I would consider replacing the seals and bearings as well. Then you would be go to go for another 20 to 30 years as long as you do some preventive maintenance.
HubbardRA Posted June 14, 2006 Posted June 14, 2006 Jeff, I just hand fitted mine, by doing a little at a time and using the pulley and key to check it. No special jigging or fixturing, just my hands and my eyes and some marks from a Sharpee marker to get me in the ballpark. The diameter of that shaft is so small that there will not be a balance problem. If you are worried about it, then grind down a key and fill up the hole on the other side. The change in balance from the keyway being open is much less than you would get by replacing a setscrew with a hex bolt. I have seen that done many times and even done it myself.
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