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Hydro-Gear pumps

Discussion in 'Mechanic and Repair' started by Acme Bunny, Jun 13, 2002.

  1. Acme Bunny

    Acme Bunny LawnSite Member
    from georgia
    Posts: 15

    Can anyone tell me how you know if your hydro-pumps are wereing out? I have a Snapper walk behind that I have been using with a Velke. After I run the mower for about 30 minutes I loose about %25 of my speed and it really struggles/slows up gowing up grade.


  2. khouse

    khouse LawnSite Bronze Member
    Posts: 1,465

    try changing the hydro filter and replacing the fluid with 10-50 synthetic engine oil.
  3. grasmo

    grasmo LawnSite Member
    from fl
    Posts: 34

    the only way to tell where and what the problem is would be to put a pressure/flow gauge on it. taking a good guess i would say that the pump is getting tired. if you have a piston pump you can freshen it up by lapping the pump plate and the cylinder slippers back to a smooth finish. grasmo.

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