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Onan HDCAC 10kw Rotor Slip Ring Identification Help


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  #1  
Old 01-10-2018, 11:51:11 PM
OnanDiesel OnanDiesel is offline
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Default Onan HDCAC 10kw Rotor Slip Ring Identification Help

Hey all,
I have an Onan 10HDCAC42345C running my off grid Home. It’s been getting notable wear on one of the rings on the slipring, & it’s reaching a point I need to replace it soon. I have a parts book,(981-0275). For my genset (spec C), it only shows a “wound rotor assy” in the diagram (201-3507-04), or a “generator rotor assy” (complete rotating assy) 201-3506-04. On pages 44 & 45.

On pages 43 & 44 (earlier spec A & B) it shows a slipring, bearing, & rotor separately in the diagram, the rotor has no part number shown, but still has the same 201-3506-04 for the complete rotating assy. This makes me believe the slipring should be the same for both rotors, & they just omitted it from the second drawing. Does anyone have better insight on this?
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Old 01-12-2018, 12:38:01 AM
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OnanParts OnanParts is offline
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Default Re: Onan HDCAC 10kw Rotor Slip Ring Identification Help

Give Mike a call. Might be able to help you out.

https://www.ebay.com/itm/201-3387-01...-/142235616802
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Old 01-12-2018, 01:08:12 AM
Birken Vogt Birken Vogt is offline
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Default Re: Onan HDCAC 10kw Rotor Slip Ring Identification Help

Here is a photo, that may or may not be correct, but may help with actual identification:

https://www.m-and-d.com/ONA-204-0134.html
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Old 01-15-2018, 09:29:04 PM
OnanDiesel OnanDiesel is offline
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Default Re: Onan HDCAC 10kw Rotor Slip Ring Identification Help

Thanks for the reply’s, it sure looks like mine, I took the gamble and ordered one. I figure if it works, $75 was a small investment compared to a $1500 rotor assembly.
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