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MT Series; Slow Raise/High Current Draw

Discussion in 'Sno-Way Discussion' started by Reamer, Nov 23, 2008.

  1. Reamer

    Reamer Junior Member
    Messages: 5

    I have a MT series approx. 3 years old. When I raise the plow the amp. meter
    draws way down. Sometimes the controler shuts off.
    I was told that maybe the hydraulic fluid should be changed. I did add some last winter
    (about a pint) that the dealer gave me.
    Anybody have any Ideas......Thanks
     
  2. toby4492

    toby4492 2000 Club Member
    Messages: 2,513

    Has the oil ever been changed over the 3 years? If it were me I would drain the oil and clean the screen on the pickup tube refill and see if the problem goes away. Let me know if this works out for you.
     
  3. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    I agree with Tom that this is your first step. Clean and flush the system and all the filters. Page 20 explains how to service the pick up filter.
    http://www.snoway.com/service/Owner Manuals/97100727E.pdf

    Also remove the hoses from the manifold and clean the screens that each one restrains.
     
  4. hydro_37

    hydro_37 PlowSite Veteran
    from iowa
    Messages: 3,790

    Also clean all the electrical connections. A ground may have corroded while sitting.
     
  5. Reamer

    Reamer Junior Member
    Messages: 5

    I don't think it has been changed. I had bought the truck used.
    The oil that the dealer gave may have been for a Western; I don't know for sure.
     
    Last edited: Nov 23, 2008
  6. Reamer

    Reamer Junior Member
    Messages: 5

    Checked all the electrical...Alternator was replaced this summer as well
    as the battery..
     
  7. Reamer

    Reamer Junior Member
    Messages: 5

    OK I just read and downloaded page 20.....I'll try that...
    Could the Western oil not been compatable with the original oil???
    Thanks for your help
     
  8. toby4492

    toby4492 2000 Club Member
    Messages: 2,513

    I personally would never recommend mixing oils unless you know for certain that they are compatible with each other. Most OEM oils are very good now but I still wouldn't mix them as some are mineral based and some are ash based.

    It sounds to me that if you give the system a good flush including the hoses and clean all screens that the problem will resolve itself and go away for you. Let us know how you make out.
     
  9. Reamer

    Reamer Junior Member
    Messages: 5

    OK Thanks for the help. I'll let you know
     
  10. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992


    :eek: Never mix fluids. No matter what the unit, no matter what the fluid, the only time you mix fluids if if you are on your way to the shop to drain and flush the unit. Even then I wouldn't guaranty more then one lift out of it. In some cases I've seen the wrong fluid eat the packings and o rings right out of a unit. Units rebuilt with cheap after market o-rings and seals are particularly susceptible to incompatible fluid attacks.