[PSUBS-MAILIST] minn-Kota

[Cliff Redus via Personal_Submersibles]

 Rick, I do like the MK 101s as they make great thrusters but this is a weak feature of the design.  It is easy to assemble the units and have these brush wires rub on the armature.  At one point I had the same issue you mentioned.  What I found out is you have to develop a procedure for assembling the motors that minimizes this issue.  What I found moist useful was to make sure the 1/4" spade connectors are secured in the factory orientation. The spade connections are right angle design that is necessary to have the wires located in the correct place in the motor when assembled. There are some white plastic clips that also have to be installed to keep the wires in the correct location on assembly.  When assembling the motors, I find that it is helpful to wedge a wooden shim between the armature and permanent magnets so that the brush assembly can be more easily installed over the armature.  Also helps to put a small piece of tape on end cap and body to help in alignment.  You can then put marks on both parts to help make sure they are aligned with inserting the long bolts that hold the motors together.  When the motors are assembled, when you turn the armature, if the wires are touching the armature, you can feel the drag.  Make sure the assembly turns freely before powering.  The more you disassemble and assemble the motors, the easier it gets.  Like most things, there is a learning curve.
Cliff


    On Tuesday, August 9, 2022 at 10:35:12 AM CDT, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
  Hi Rick, it's definitely tight in there but I don't know of any work around for it.
Jon

    On Monday, August 8, 2022 at 09:04:40 PM EDT, Rick Patton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 I just put my two Minn-Kota's together and ran them briefly to make sure that they were wired properly and the potiencometer was working and then had to take one apart and noticed that one of the wires had the jacket worn off exposing the stranded wire inside of it. I had always been concerned about the armature rubbing on them as there is almost zero clearance from the lugs that they plug onto until they go inside the shaft that is sealed with epoxy. Has anyone experienced the same thing on that particular motor and if so, what was the fix?
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