General Product Question
I have a 3 yr. old YTH24V48, and it has been quite...
General Product Question posted June 25, 2018 by Don Mininger
57 Views, 2 Comments
Question:
I have a 3 yr. old YTH24V48, and it has been quite good...until this year. I have shredded 2 deck belts this year, and I think I have found the cause. One of the idler pulleys...PN 532197379, had quite a bit of "wobble". It is mounted to the deck with a single screw...PN 817490636, which screws into a rather thin 1/8" mount, and this screw worked loose, and damaged the threads on both the screw and mount. This, IMO, is a manufacturing flaw. I got a new screw, redid the threads in the mount, and added a Nut/lock washer
to the bottom of the screw, so it will hopefully stay tight...time will tell, but ANY of the pulleys coming loose is certainly a good reason for the belt to break.
to the bottom of the screw, so it will hopefully stay tight...time will tell, but ANY of the pulleys coming loose is certainly a good reason for the belt to break.
Answer
I would just changing the nut and lock washer to a flanged nylon lock nut. These have a flat washer design as part of the nut so you a wider support area and nylon provide the anti vibration resistance similar to the lock washer.
And I had at least one these here in my shop too and that's why I used the above nut setup.
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Yes, it's pretty obvious that "Some" method be found to more securely lock this "screw" down, in order to keep the idler from working loose and causing belt damage. I just used parts I had on hand in my workshop, and I will keep a close eye on this idler and try another method if I see any further loosening.
I was a bit disappointed when I saw how this area was manufactured....I'm surprised that Husqvarna let something like this escape their "quality control".
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