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  1. #1
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    Hydraulic jack plate problems

    So while fishing Saturday my jack plate decided to quit working. I can hear the motor running but nothing happens. The jackplate is halfway up and won’t move. This is my first hydraulic jack plate so any advice on where to start would be great. Thanks in advance!!

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  3. Member
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    Little rock arkansas
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    #2
    What kind?

  4. Member
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    Jun 2018
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    Camdenton MO
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    #3
    Atlas

  5. Member
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    #4
    Check relays first rule that out... is it under warranty?

  6. Member
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    Jun 2018
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    #5
    No I bought the boat used. I will checknrelays though I don’t think that’s what it is. Right before it quit working it was moving extremely slow before it just stopped. Is there a resivior for fluid? If there is, is it common to lose or run low on fluid? I am also afraid the jack plate will need to be in it’s lowest position and I’m not real sure how to get it there.

  7. Member
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    #6
    This is on a 2011 ranger z521

  8. Moderator TMG's Avatar
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    #7
    Welcom aboard.
    You May be low on fluid. Not sure where but I'm sure there a Reservoir somewhere.
    Nobody can help this guy ?
    " Talking to you is like clapping with one hand "
    Anthrax

  9. Member
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    #8
    There is a plug on the bottom of unit. You can check that. I learned the hard way to silicone the top where wores go into unit. If water gets in them they slowly rust and quit. I had a alternator shop cleanthe last 2 i had. They worked pretty good after tht. They were 50$ to clean. It can only be a couple hings. Either relays are bad, low of fluid or your actuator is out. I hope this helps. Lota of good info here.

  10. Member Nightmare's Avatar
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    #9
    Quote Originally Posted by BandBC10 View Post
    I can hear the motor running but nothing happens.
    If the pump motor is running, it ain't the relays.

  11. Member
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    #10
    Look at your fluid.... my cmc recently did that where i heard the pump running and it was out of fluid.

  12. Member
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    Jun 2018
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    #11
    That’s good to hear. I was going to look at it Saturday but ended up being busy all weekend. I am going to look into this week. I keep the boat in storage so I don’t have it with me at the moment. So the resivoir, is it in the boat or is it located on the jackplate itself?

  13. Member
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    Nov 2014
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    kingman,az
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    #12
    google the jack plate you should be able to find a schematic for it somewhere.

  14. Member
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    Jun 2018
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    #13
    I need to try that again. I wasn’t having much luck the first time I looked.

  15. Member
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    #14
    So turns out it’s a bobs jack plate. The resivior is full of fluid. Jack plate will move about half an inch in either direction and then it stops. The hydraulic hoses are not in the best shape. I’m wondering if one or both haven’t collapsed internally. I’m going to have a couple made this afternoon and throw them on. I’m also going to grease the thing up really good, hopefully that will get me back on the water. I’ve only got to go out once this year so far, my wife got me a new rod and reel for Father’s Day and she is telling me to go fishing tomorrow!!! I can’t disobey the bosses orders so I hope this works. Not sure what else it could be if this doesn’t work.

  16. Member
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    #15
    Well I have determined it is the pump that is not working properly. New hoses installed and greases. Hit the switch, it ran and ran and would only go up intermittently. I bled the system tried several more times, I could hear the pump struggling. So, new question is do I rebuild or have someone rebuild it, or go for the new pump as they have updated to larger solenoids that would come with the new one?