Home » Public Forums » GMCnet » onan field coil wanted (or how to repair)
| onan field coil wanted [message #334646] |
Thu, 05 July 2018 08:33  |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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I finally pulled apart my onan, and the field coil is bad. I located where it where a wire was eaten through, but broke off one of the leads into the coil in the process. hold them together and I get the 38 ohms, but i am not sure how a person could even go about repairing it, especially where I broke off the feed lead, and what other failures maybe short behind it.
So I am now looking at my options..... fix, replace, or??
I know my options for replacing and that is a possible route. Even if I do replace, It would be nice to fix my onan as the engine runs well, and could go to someone else.
I will be contacting Coop and probably Sirum to see what they might charge for a used coil, if they have one. bugger is heavy for shipping.
Any thoughts?
Thank you
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: onan field coil wanted [message #334651 is a reply to message #334646] |
Thu, 05 July 2018 08:53  |
jknezek
Messages: 1057
Registered: December 2007
Karma: 5
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Senior Member |
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lqqkatjon wrote on Thu, 05 July 2018 09:33I finally pulled apart my onan, and the field coil is bad. I located where it where a wire was eaten through, but broke off one of the leads into the coil in the process. hold them together and I get the 38 ohms, but i am not sure how a person could even go about repairing it, especially where I broke off the feed lead, and what other failures maybe short behind it.
So I am now looking at my options..... fix, replace, or??
I know my options for replacing and that is a possible route. Even if I do replace, It would be nice to fix my onan as the engine runs well, and could go to someone else.
I will be contacting Coop and probably Sirum to see what they might charge for a used coil, if they have one. bugger is heavy for shipping.
Any thoughts?
Thank you
There is a guy in Ohio, Jim Miller Jr, who is doing rewindings out of better materials. I don't know how active he is after his father passed. Considering the originals lasted 40 years, a good rewinding would probably outlive the motorhome. My Onan had enough other issues that I decided it wasn't worth it to go this route. But if you have a really good one, and since you are pulling it out anyway you can really give it a solid refresh, it might be worth it. I spoke with Jim once or twice while weighing the options and was really impressed. Had my Onan been in better shape all around I wouldn't have hesitated.
Thanks,
Jeremy Knezek
1976 Glenbrook
Birmingham, AL
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| Re: onan field coil wanted [message #334654 is a reply to message #334646] |
Thu, 05 July 2018 09:08 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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Jim is around and monitors this forum when he has time. He, unlike most of us, has a day job and family obligation too. If he doesn't respond, I'll send you his email address.
A picture of what your problem is might be very helpful.
If a rewound one is in order, I believe that the originals were in aluminum while his are done in copper.
Please post a picture so we can see what you are dealing with.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: onan field coil wanted [message #334657 is a reply to message #334654] |
Thu, 05 July 2018 09:43 |
lqqkatjon
Messages: 2324
Registered: October 2010
Location: St. Cloud, MN
Karma: 5
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Senior Member |
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I will get some photos posted tonight.
Jon Roche
75 palm beach
EBL EFI, manny headers, Micro Level, rebuilt most of coach now.
St. Cloud, MN
http://lqqkatjon.blogspot.com/
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| Re: [GMCnet] onan field coil wanted [message #334661 is a reply to message #334646] |
Thu, 05 July 2018 09:59 |
richshoop
Messages: 190
Registered: April 2017
Karma: 0
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Senior Member |
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Most any industrial motor rewinders could do the rewind for you. Just tell them that you want better insulation class wire than what was in there.
> On July 5, 2018 at 6:33 AM Jon Roche wrote:
>
>
> I finally pulled apart my onan, and the field coil is bad. I located where it where a wire was eaten through, but broke off one of the leads into
> the coil in the process. hold them together and I get the 38 ohms, but i am not sure how a person could even go about repairing it, especially where
> I broke off the feed lead, and what other failures maybe short behind it.
>
> So I am now looking at my options..... fix, replace, or??
>
> I know my options for replacing and that is a possible route. Even if I do replace, It would be nice to fix my onan as the engine runs well, and
> could go to someone else.
>
> I will be contacting Coop and probably Sirum to see what they might charge for a used coil, if they have one. bugger is heavy for shipping.
>
> Any thoughts?
>
>
> Thank you
>
>
> --
> Jon Roche
> 75 palm beach
> St. Cloud, MN
> http://lqqkatjon.blogspot.com/
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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| Re: [GMCnet] onan field coil wanted [message #334667 is a reply to message #334661] |
Thu, 05 July 2018 10:54 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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We have a unit that was rewound , or good used ones here in CA.
On Thu, Jul 5, 2018 at 7:59 AM, RICHARD/MARLI SHOOP
wrote:
> Most any industrial motor rewinders could do the rewind for you. Just tell
> them that you want better insulation class wire than what was in there.
>> On July 5, 2018 at 6:33 AM Jon Roche wrote:
>>
>>
>> I finally pulled apart my onan, and the field coil is bad. I located
> where it where a wire was eaten through, but broke off one of the leads into
>> the coil in the process. hold them together and I get the 38 ohms, but
> i am not sure how a person could even go about repairing it, especially
> where
>> I broke off the feed lead, and what other failures maybe short behind it.
>>
>> So I am now looking at my options..... fix, replace, or??
>>
>> I know my options for replacing and that is a possible route. Even if
> I do replace, It would be nice to fix my onan as the engine runs well, and
>> could go to someone else.
>>
>> I will be contacting Coop and probably Sirum to see what they might
> charge for a used coil, if they have one. bugger is heavy for shipping.
>>
>> Any thoughts?
>>
>>
>> Thank you
>>
>>
>> --
>> Jon Roche
>> 75 palm beach
>> St. Cloud, MN
>> http://lqqkatjon.blogspot.com/
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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