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  1. #1
    New Member
    Join Date
    Jun 2012
    Ashland, Ohio
    Cub Cadet

    Default Cub Cadet slt 1550 Hydrostatic Transmission

    The right side half drive shaft broke, I ordered a new shaft, drained the oil, split the case, replaced the shaft. I think I put everything back the way it came out. Called for 76 ounces of oil (20 w 50), I got just a little over 2 quarts (64 oz) in and it wouldn't take any more, so I started it up thinking it had to start circulating to get the rest in. That didn't work and I have no drive, to you have to prime the pump some how? What am I doning wrong!

  2. #2
    New Member
    Join Date
    Feb 2013
    Fremont NH
    Cub Cadet Super LT1550

    Default Re: Cub Cadet slt 1550 Hydrostatic Transmission

    I believe that I read somewhere that you need to open the relief valve which is done by pulling out the rod in the rear of the unit and then press the drive pedal back and fourth a few times to purge the air out and then push the relief valve rod back in and you should be all set. Hope this helps.

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