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Unread 08-05-2008, 08:43 AM   #21
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Default Re: 82 Club Car Inoperative

That much wear sounds excessive. Most carts go 20 years on a set of brushes. Something is wrong here, wrong brushes? OR ???
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Unread 08-05-2008, 08:53 AM   #22
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Question Re: 82 Club Car Inoperative

Thanks, Brushes look right. My suspicion is that the guy did not replace the brushes as he stated. Then is the worn brushes perhaps my cart's problem?
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Unread 08-05-2008, 09:00 AM   #23
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Default Re: 82 Club Car Inoperative

If they are that worn and you have them out, I would replace them. Not sure you got the right story originally?
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Unread 08-05-2008, 09:29 AM   #24
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Default Re: 82 Club Car Inoperative

DC motor brushe should be replaced at around 50% gone. Make sure you blow the carbon dust out before replacing.
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Unread 08-05-2008, 10:03 AM   #25
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Default Re: 82 Club Car Inoperative

Don't think the brushes can wear that fast which brings the armaure to the equation. You can take your ohmmeter and go from bar to bar on the commutator to check armature windings. You should be able to see a pattern develope depending on the way the arm is wound. Should this show any opens or erratic ohmic values the are has had it, otherwise the brushes are still suspect. If the brushes are worn the spring tension holding them to the commutator is low creating a high resistance connection. Prior to this, give the 12 volt test a try. If the motor turns consistantly chances are it is OK and the brushes need replacement. To verify this put a non-conductive shim unnder the brush springs and hit the motor with 12 volts. If the motor shows an increase in RPMs replace the brushes. If not we'll try something else. Randy
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Unread 08-05-2008, 02:44 PM   #26
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Default Re: 82 Club Car Inoperative

Have to get the motor book out but way to check for bad motor, you might want to look at the mica plates and make sure they are not above the commutator. If they are you will need to have them turned down.
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Unread 08-13-2008, 08:58 AM   #27
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Default Re: 82 Club Car Inoperative

Epilog

Finally got the brushes and now the cart works, better than it ever did, still sluggish going up a hill.

Just have to monitor the brush wear, a concern remains that the commutator is eating brushes - that is if the guy I bought it from in Dexter was telling me the truth that he had replaced them prior to the sale.

What helped me the most was buying the service manual, recommend others having trouble do that first, it led me to the true root cause quickly and resolved all the unknowns I had about the cart.

Thanks to all the comments made, it really helped.

Bob
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Unread 08-13-2008, 09:03 AM   #28
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Default Re: 82 Club Car Inoperative

Getting a service manual is a good idea for everyone who wants to work on their cart. Personally, I am guessing the guy who sold it to you was feeding you a line of bull. Either way you will know shortly! Right ? Good Luck !
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Unread 08-13-2008, 10:32 AM   #29
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Default Re: 82 Club Car Inoperative

What do you mean?? Read the instructions????
Seriously, good work. When I was a young apprentice in a motor shop we used to take a piece of canvas, roll it up into a very tight cylinder and, while motor was turning, apply it to the commutator to polish/burnish the comm. I suppose you could jack up the cart and put jackstands under it to prevent having to run along side of it whille cleaning the comm. Don't bear down too much and make several light passes rather than one heavy one. This will also tell you whether the mica sgments are high. Comm should be a chocolate brown rather than shiny. Randy
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