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Thread: Bumper Boys

  1. #11
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    This exact thing happened when I replaced a servo on my unit. Undo heat wrap by carefully slicing open and switch plug connector around! If you don't have another heat shrink wrap tube, try hobby store, or Radio Shack; or simply use electrical tape or something similar to keep connection snug.

  2. #12
    Senior Member Wayne Nutt's Avatar
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    Also look at the three prongs on the wiring harness/servo connection. They should be the same length. If not take needle nose pliers and adjust. If one is shorter this could be the problem. Just pull the short one out to match the other two.

    When Amy was the customer service rep, this would be the first thing she would tell u to check with firing issues
    Wayne Nutt
    Go Nutts with dog training

    HRCH Patton's Parker Co. Shadow "Shadow"
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  3. #13
    Senior Member Sabireley's Avatar
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    Changing the polarity will not change the servo direction. The servo arm position is determined by the frequency of the signal on the 3rd pin. All I can think is that the connection is poor on that pin and it is affecting the frequency somehow. I would check all of the connections make sure the pins are fully engaged, particularly the connector at the control box.

  4. #14
    Senior Member Joe Brakke's Avatar
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    Never saw a BB with a third wire going to the servo. Reverse polarity would drive it in the wrong direction. Also, BB is out of business. You can not return it for repair.
    Joe B.

    Northern Colorado

    HRCH Bella's Devine Independence SH "Indy"
    Lakota Ridge Sage JH "Sage"
    SHR APR KB's Lakota Ridge Delaney JH "Del"
    RIP 2014 Lakotaridge Heartsome Tanner SH "Tanner"
    RIP 2012 Oryan of Cork "Orion"

    "Leave the gun. Take the cannoli."
    "Never hate your enemies. It affects your judgment."

  5. #15
    Senior Member Wayne Nutt's Avatar
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    Not a third wire but three prongs on the connector at wiring harness to servo
    Wayne Nutt
    Go Nutts with dog training

    HRCH Patton's Parker Co. Shadow "Shadow"
    HRCH Clineline Hijacker "Jack"
    HRCH Marks a Lot Midnight Hudson, SH "Hudson"-retired
    Castile Creek's Rawhide, SH "Rowdy"

  6. #16
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    Thanks - my friend who is trying to fix it for me is reading this thread and is/has tried everything suggeted so far. He tried another new servo and now there is no power going to the fourth bumper - he thinks a wire may be broken somewhere inside the unit? Is that possible and do you think an electrician would be able to fix it if that is the problem?
    If you play their game train the way they train

  7. #17
    Senior Member John Lash's Avatar
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    There are indeed 3 wires going to each servo on the BB, hence 3 pins. The BB servos return to center after each actuation, unlike a servo on a winger that has 2 wires. You move the servo back to center when you move the mechanism on the winger to hook up the pouch.

    As for the broken wire that could very well be the problem. Broken wire or bad, loose connector. I don't know about the 4 shooters but on a two shooter the wiring is all external and is easy to see.

    There was another thread along the same lines recently and I think the fix was a new wiring harness.

    Kind of a pain but could you disconnect a "good" servo and swap it with the bad servo and see what it does?
    John Lash

    "If you run Field Trials, you learn to swallow your disappointment quickly."

    "Field trials are not a game for good dogs. They're for great dogs with great training." E. Graham

  8. #18
    Senior Member chuck187's Avatar
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    I removed that three pin connector, soldered the connections, and insulated it with some electrical tape. Have not had a problem with the solenoid since I did that. It is also easy to disconnect with a soldering iron later. Those little Molex connector are fragile.
    HRCH UR01 CH UNJ WHISKEY CREEK'S DUKE CHASCERI MH
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  9. #19
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    Well, had an electrician look at my unit. He thinks the problem is the circuitry in the receiver box and I need someone who specialises in that. In case anyone else has this sort of problem, will let you know how I progress!.
    If you play their game train the way they train

  10. #20
    Senior Member Joe Brakke's Avatar
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    I was fixing my two shooter and had similar weird behavior from the servos. My last step after insuring all wiring was correct, I decided that recharging may assist. It did, every thing worked fine after a full charge >12 hours. With in a couple hours or use, the same weird actions would occur. The solution was new batteries from Batteries Plus. After this all functions work consistently for the same original amount of operating time.

    You may have a new device, but keeping the batteries charged all the time helps with the life of the batteries.
    Joe B.

    Northern Colorado

    HRCH Bella's Devine Independence SH "Indy"
    Lakota Ridge Sage JH "Sage"
    SHR APR KB's Lakota Ridge Delaney JH "Del"
    RIP 2014 Lakotaridge Heartsome Tanner SH "Tanner"
    RIP 2012 Oryan of Cork "Orion"

    "Leave the gun. Take the cannoli."
    "Never hate your enemies. It affects your judgment."

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