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Hydraulic System

Discussion in 'Lawn Mowing' started by Four_Seasons, Mar 20, 2012.

  1. Four_Seasons

    Four_Seasons LawnSite Member
    Messages: 184

    Alright guys, I just bought a 07' Husqvarna LZ6127. Mower runs and cuts GREAT. Just needed a few things after buying like changing the oil..ect. It had been sitting in the shed for two years or so. After my last yard it started skipping which I recognized as the spark plugs, and after changing it ran fine. Then my left hydraulic got very tight and felt like it was straining and working against me. I have checked the hydraulic fluids and all seems fine and supplied. Would this be helped by simply changing the fluids and filters? Or is this more of a replacement issue that I am going to have? It just seems like there is not enough fluid going through to the left side. Anything that would prevent that?

    *Also, how hard is changing the Hydraulic Fluid? I heard it's difficult, but it seems easy enough to me*
  2. Landrus2

    Landrus2 LawnSite Fanatic
    Messages: 5,021

    Look at belt tension
  3. mtmower

    mtmower LawnSite Bronze Member
    Messages: 1,111

    Also don't forget to check the parking brake. Something may have come loose and is binding.
  4. Four_Seasons

    Four_Seasons LawnSite Member
    Messages: 184

    Parking brake? I noticed that when I put the PB into FULL position the mower still moves a little bit, but I can mover the PB to a position a little further out where it is more tight and holds better. Maybe that would be an issue? Would changing out the Hydraulic fluid be necessary?

    First year using ZTR (Rider) equipment.
    Always used stand on mowers..
  5. MSTmarc

    MSTmarc LawnSite Member
    Messages: 27

    I hate to say this but it might be the pump or wheel motor problem. The more you use this the more damage you might cause. There is a bearing inside the pump and when it breaks it will make it hard to move the handle and make a whine. You can rebuild this pump very easy if no major damage is caused. But the longer you waite the worse it will be.
  6. whiffyspark

    whiffyspark LawnSite Fanatic
    Messages: 6,497

    Posted via Mobile Device
  7. Four_Seasons

    Four_Seasons LawnSite Member
    Messages: 184

    Would I have to take that to a mechanic to rebuild or is it simple enough for me to just buy parts for? I will need them soon, as this is my main mower.
  8. MSTmarc

    MSTmarc LawnSite Member
    Messages: 27

    Best bet is to take it to someone and have them fix it.
  9. Four_Seasons

    Four_Seasons LawnSite Member
    Messages: 184

    Well would it do that under heat? Because both pumps were really hot after I got done using the mower.. I just went outside and drove it and it seems fine now. It has a little tug but not really noticeable.. Not NEARLY as bad as it was.
  10. MSTmarc

    MSTmarc LawnSite Member
    Messages: 27

    It could be going bad and I say could be going bad. Hydraulic fluid is thick now and when it heats up it gets thin and this is were you see most of your problems.

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