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Posting a reply to: Re: Minnkota Maxxum 80 Pro ?

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[QUOTE]curleytail - 3/9/2009  2:22 PM

I had a Maxxum that did something like this. I bought it off Ebay so I had no warranty to take it in for work, so I dug into it myself.

What I found that a couple of the nodes/lobes on the armature were't making a connection. Here's what I did to diagnose/fix it.

1.) Took a voltmeter and tested each lobe on the armature. Put one lead of the meter on one lobe, and check every lobe with the other lead on each other lobe. Set the volt meter to ohms. If a lobe read 1 instead of 0, that lobe was "bad."

2.) When I found a "bad" lobe, I lightly (LIGHTLY) tapped on the part of the lobe with the copper wire under it. The copper wire is part of the big mass of wrapped copper wires. There must have been a slight gap between the little tab on the lobe and the copper wire under it. Either that or there was a tiny amount of corrosion between them that tapping knocked off.

This is all it took to get my motor working right. Check every single lobe, and after you fix them, check them again. It isn't too bad taking the motor out on these, but it's enough of a pain that you want to do it as few times as possible - hopefully once.

This may or may not be the problem. If it is, it should be easy enough to fix. While you have it out, it might not be a bad idea to steel wool or sand the armature with fine grit sand paper.

One other thing that happened to my Maxxum was one of the leads to the motor (only a + and - lead) actually BROKE off from the terminal end. How this happens while trailering or running across a smooth lake that day is beyond me, but it happened. Anyway, unless there is truly something wrong with your motor, it should be fairly easy to see once you get the motor out of it. About all they take to run is a current flow from the + and - wires.

Ok yeah, mark the top of the motor so you remember which way it goes. Messed that up once and the motor was in reverse when I got on the lake! Luckily I have enough tools to switch it around at the landing.

Good luck.

curleytail[/QUOTE]

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curleytail

Posted 3/9/2009 2:22 PM (#365116 - in reply to #364990)
Subject: Re: Minnkota Maxxum 80 Pro ?

Posts: 2687

Location: Hayward, WI

I had a Maxxum that did something like this. I bought it off Ebay so I had no warranty to take it in for work, so I dug into it myself.

What I found that a couple of the nodes/lobes on the armature were't making a connection. Here's what I did to diagnose/fix it.

1.) Took a voltmeter and tested each lobe on the armature. Put one lead of the meter on one lobe, and check every lobe with the other lead on each other lobe. Set the volt meter to ohms. If a lobe read 1 instead of 0, that lobe was "bad."

2.) When I found a "bad" lobe, I lightly (LIGHTLY) tapped on the part of the lobe with the copper wire under it. The copper wire is part of the big mass of wrapped copper wires. There must have been a slight gap between the little tab on the lobe and the copper wire under it. Either that or there was a tiny amount of corrosion between them that tapping knocked off.

This is all it took to get my motor working right. Check every single lobe, and after you fix them, check them again. It isn't too bad taking the motor out on these, but it's enough of a pain that you want to do it as few times as possible - hopefully once.

This may or may not be the problem. If it is, it should be easy enough to fix. While you have it out, it might not be a bad idea to steel wool or sand the armature with fine grit sand paper.

One other thing that happened to my Maxxum was one of the leads to the motor (only a + and - lead) actually BROKE off from the terminal end. How this happens while trailering or running across a smooth lake that day is beyond me, but it happened. Anyway, unless there is truly something wrong with your motor, it should be fairly easy to see once you get the motor out of it. About all they take to run is a current flow from the + and - wires.

Ok yeah, mark the top of the motor so you remember which way it goes. Messed that up once and the motor was in reverse when I got on the lake! Luckily I have enough tools to switch it around at the landing.

Good luck.

curleytail

Edited by curleytail 3/9/2009 2:24 PM