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Case 590 SM belt replacement

Discussion in 'Tractor/Loader/Backhoes' started by Dante827, Apr 9, 2015.

  1. Dante827

    Dante827 Member

    Sep 24, 2014
    Long Island NY
    Hi All, How the heck do I replace a serp belt on my 590SM? The old one came off nicely in pieces but it looks like I need to separate the hydraulic pump coupler to get the new one on. Any tricks or suggestions? Thanks
  2. bowen

    bowen Senior Member

    Nov 13, 2011
    Electrical Panel Builder
    N. GA USA
    I can't seem to find them at the moment but there are lots of threads on here about replacing the belt.
    The coupling does have to come loose enough to get the new belt on, and some are hard to get to.
    I have only worked on the 580SE and below is one link.

    I would suggest you think about a new tensioner also with the new belt.
    My coupling was worn and it had damaged the splines on the pump shaft, so you might need a new coupling.