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very slow fisher mm plow

Discussion in 'Commercial Snow Removal' started by neversatisfied, Jan 19, 2004.

  1. neversatisfied

    neversatisfied Member
    from ct
    Messages: 73

    a buddy has a fisher minute mount plow,7-1/2 footer.The plow responds very very slow.Its an electric /hydro setup outside,no pump on the motor.We took it apart and flushed the fluid very well ,used new fluid and she's still very slow.Any recomendations what to do?thanks
     
  2. Mick

    Mick PlowSite.com Veteran
    from Maine
    Messages: 5,546

    It's possible that your battery is not strong enough for the draw the plow makes. Quick check is to watch the guage as you lift the plow. Turn the lights/heater on and check again. Then see how fast it "recovers" the charge to "quick check" the alternator. Also, check to make sure you have a good connection - fully engaged and no corrosion on the connectors.
     
  3. neversatisfied

    neversatisfied Member
    from ct
    Messages: 73

    thanks mic.The problem is doing it even on different trucks.And i know that the charging systems are good in both and the truck he has it on all the time now has 1 day old everything in the electrical setup.Maybe a valve in the pump?
     
  4. Arc Burn

    Arc Burn PlowSite.com Addict
    Messages: 1,138

    This could be a number of things but i would start here with cheap and easy-It's quite possible the packings in the cylinders are dried out,loosen all the packing nuts at the end of the rams,screw them out a couple full turns each,now lube the ram up good with hydraulic fluid and run the plow up and down,left and right numerous times,then tighten the packing nuts only 1/4 turn tight after the nut contacts the packings inside(you will feel this)It's important not to overtighten the packing nuts,try that and see if you get any improvement at all.
     
  5. Mick

    Mick PlowSite.com Veteran
    from Maine
    Messages: 5,546

    Last edited: Jan 19, 2004