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How bad is it to force a wood splitter

Discussion in 'Homeowner Helper Forum' started by Forestviller, Nov 10, 2019 at 5:43 PM.

  1. Forestviller

    Forestviller ArboristSite Lurker

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    My old 20t Iron and Oak splitter stops completely when it hits an especially tough oak round. If I keep the lever pulled it'll sit for 5 seconds before slowly penetrating and getting the job done. It otherwise functions normal, so it's not a bad pump etc. How bad is it to "force" the hydraulics for 5 seconds with no movement of the ram?
     
  2. Skeans

    Skeans Addicted to ArboristSite

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    Hydraulic systems will have a relief and normally a compensator valve, well holding the lever the pressure builds till it hits relief pressure then returns to tank. Only harm that should happen is heat is generated in the system.


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  3. Forestviller

    Forestviller ArboristSite Lurker

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    Very much appreciated, I can finish a job tomorrow. I take a break every 1/3 cord to drive and stack, a full load in my Tacoma, so the splitter oil gets some cooling time. Thanks again.
    Another question though. This splitter is about 25 years old and has seen basic maintenance. If something were to fail, could any guess be made where? ie the ram seals or the pump? It's used 6 months of the year WAY off the grid and we'd like to service the ram or replace the pump if needed.
     
  4. Skeans

    Skeans Addicted to ArboristSite

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    @Forestviller
    Have any pressures been checked or adjusted over the years of service? With what you’re describing I wouldn’t be surprised if the ram piston seals aren’t too far from being needing to be replaced.


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  5. milkie62

    milkie62 ArboristSite Guru

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    It is always good to have a guage to see what pressure you have. Mine is set at about 2900. It will come up to full pressure on a crotchy piece of elm or oak but after a couple of seconds you will see pressure to start going down and the ram creeping fwd. My splitter does 12-20 cord a year for the past 30 yrs. The detent on the valve wore out so I replaced it. Valve still worked but had to hold it on the retract. Been running flawless for 30 yrs and never broke down. I think I did good for my 1st build.
     

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