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Onan Emerald 4000 BGE help!


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  #21  
Old 08-09-2017, 04:24:32 PM
bigGURN bigGURN is offline
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Default Re: Onan Emerald 4000 BGE help!

Thanks! I have the diagram, just went through it and saw what you where talking about. Have to think about that one.
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  #22  
Old 08-09-2017, 04:39:46 PM
len k len k is offline
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Default Re: Onan Emerald 4000 BGE help!

Similar 5BGM & 7NHM gens ( also 4KY gen, 50 hz ) uses a DC voltage reg # 305-0784 but it's ~ $220. Would want you to check voltage out the B windings and report back first though. Flight systems doesn't have a replacement for that one yet.

Your Simplistic fixed resistor ohms are selected to supply amps gen uses for spark, fuel pump, relays and a little extra ( ~ 1/2 - 2 amps) for CONSTANT bat charging. Not ideal for bat life but seems to work.

I'ld add a fuse on B windings , a few people burned them up when related diode bridge shorted, likely due to poor cooling mounting. I'ld also fuse the bat side too. New stator = ~ $800

Last edited by len k; 08-09-2017 at 06:26:57 PM.
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  #23  
Old 08-09-2017, 07:12:54 PM
KPack KPack is offline
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Default Re: Onan Emerald 4000 BGE help!

Quote:
Originally Posted by bigGURN View Post
So... everything works great... except I am not charging the battery. Is there a separate regulator for 12v?
What is the full model number and spec letter.
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  #24  
Old 08-09-2017, 07:24:24 PM
bigGURN bigGURN is offline
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