| need advice relocating batteries [message #306506] |
Sun, 04 September 2016 14:44  |
Bob S.
Messages: 143
Registered: October 2012
Location: Rapid City, SD
Karma: 2
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I have 78 Royale with rear bath. My Onan recently produced its final volt and I was told it would cost more to repair (if parts were available) than it's worth. I shopped around and decided to purchase a slightly used Onan KY 4.0 micro-quiet. I was told (by a reliable source) that it would fit with out relocating the two house batteries that are located in the generator compartment. Unfortunately this information proved to be wrong. I also have a chassis battery and a 12 volt deep cycle house battery up front on the passenger side. I decided to move the back batteries to the engine compartment on the drivers side and quickly found that I couldn't get the batteries to the drivers side due to some of the upgrades I have installed.
Now I have two new ideas:
1)Extend my rear bumper about 2 inches and build a compartment for my rear batteries between the bumper and rear of the coach
2)Buy a 3 battery tray from Jim K. and move the two golf cart batteries to the front and eliminate the 12 volt deep cycle.
I am seeking opinions and advice on which way go. I'm not very savvy when it comes to electrical things so I'm not sure how the batteries are all wired. I believe all the batteries are charged when driving and from the convertor, but I'm not sure. How do I make sure everything is working properly when I finally get it all back together. I did label all the wires when I took the power drawer and rear batteries out, so if I decide to keep the rear batteries, it should be a fairly simple install. If I decide to move them up front, what would I have to remove or install to make it all work?
I'm sorry to be a PITA, but I sure could use some advice and guidance from the gurus that understand this stuff. Thanks for any and all help you can provide.
Bob and Pam Schilling
Rapid City, SD
"78 Royale
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| Re: [GMCnet] need advice relocating batteries [message #306508 is a reply to message #306506] |
Sun, 04 September 2016 14:48  |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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Three battery tray in the front. Then reset your ride height.
Dolph Santorine
DE N8JPC
Wheeling, West Virginia
1977 ex-Palm Beach TZE167V100820
1-ton, Sullybuilt Bags, Reaction Arms, 3.70 LSD, Manny Transmission, EV-6010,
> On Sep 4, 2016, at 3:44 PM, Bob Schilling wrote:
>
> I have 78 Royale with rear bath. My Onan recently produced its final volt and I was told it would cost more to repair (if parts were available) than
> it's worth. I shopped around and decided to purchase a slightly used Onan KY 4.0 micro-quiet. I was told (by a reliable source) that it would fit
> with out relocating the two house batteries that are located in the generator compartment. Unfortunately this information proved to be wrong. I also
> have a chassis battery and a 12 volt deep cycle house battery up front on the passenger side. I decided to move the back batteries to the engine
> compartment on the drivers side and quickly found that I couldn't get the batteries to the drivers side due to some of the upgrades I have installed.
> Now I have two new ideas:
> 1)Extend my rear bumper about 2 inches and build a compartment for my rear batteries between the bumper and rear of the coach
> 2)Buy a 3 battery tray from Jim K. and move the two golf cart batteries to the front and eliminate the 12 volt deep cycle.
>
> I am seeking opinions and advice on which way go. I'm not very savvy when it comes to electrical things so I'm not sure how the batteries are all
> wired. I believe all the batteries are charged when driving and from the convertor, but I'm not sure. How do I make sure everything is working
> properly when I finally get it all back together. I did label all the wires when I took the power drawer and rear batteries out, so if I decide to
> keep the rear batteries, it should be a fairly simple install. If I decide to move them up front, what would I have to remove or install to make it
> all work?
>
> I'm sorry to be a PITA, but I sure could use some advice and guidance from the gurus that understand this stuff. Thanks for any and all help you can
> provide.
> --
> Bob and Pam Schilling
> Rapid City, SD
> "78 Royale
>
>
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> GMCnet mailing list
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| Re: [GMCnet] need advice relocating batteries [message #306513 is a reply to message #306508] |
Sun, 04 September 2016 16:05 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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Dolph's idea would be easiest. You would be able to keep the deep cycle. I personally hate the idea of hanging the battery(s) outside behind the bumper. Problems arise if the bumper is ever struck. Weight distribution shifts, rear is already heavier than the front. Weatherproofing ?
Very long heavy gauge battery cable.
You might want to sketch out how your current battery array is wired for both usage and charging. It would help you remember when you start to remove it. Photos help key your memory also.
Are the two in the back charged by the engine or the genset or, when plugged into shore power by the converter? Do you have an isolator still (OEM) installed or a combiner or a combination? Paralleling 12v batteries is generally a bad idea, unless they are matched pairs. Just random thoughts.
Tom, MS II with three 12v batteries on a 3 battery isolator, with combiner combining 2 batteries, leaving the engine battery isolated from the house pair.
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: need advice relocating batteries [message #306520 is a reply to message #306506] |
Sun, 04 September 2016 19:05 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Senior Member |
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Bob,
Who told you it was not economic to recover??
He was an Onan repair guy that is your problem.
Please be specific, Which end is dead?
If it is the engine, there are more than a few with bad electric ends that can be swapped in.
If it is the field side of the electric, that can be rewound with copper and be good again.
Matt
Bob S. wrote on Sun, 04 September 2016 15:44I have 78 Royale with rear bath. My Onan recently produced its final volt and I was told it would cost more to repair (if parts were available) than it's worth. I shopped around and decided to purchase a slightly used Onan KY 4.0 micro-quiet. I was told (by a reliable source) that it would fit with out relocating the two house batteries that are located in the generator compartment. Unfortunately this information proved to be wrong. I also have a chassis battery and a 12 volt deep cycle house battery up front on the passenger side. I decided to move the back batteries to the engine compartment on the drivers side and quickly found that I couldn't get the batteries to the drivers side due to some of the upgrades I have installed.
Now I have two new ideas:
1)Extend my rear bumper about 2 inches and build a compartment for my rear batteries between the bumper and rear of the coach
2)Buy a 3 battery tray from Jim K. and move the two golf cart batteries to the front and eliminate the 12 volt deep cycle.
I am seeking opinions and advice on which way go. I'm not very savvy when it comes to electrical things so I'm not sure how the batteries are all wired. I believe all the batteries are charged when driving and from the convertor, but I'm not sure. How do I make sure everything is working properly when I finally get it all back together. I did label all the wires when I took the power drawer and rear batteries out, so if I decide to keep the rear batteries, it should be a fairly simple install. If I decide to move them up front, what would I have to remove or install to make it all work?
I'm sorry to be a PITA, but I sure could use some advice and guidance from the gurus that understand this stuff. Thanks for any and all help you can provide.
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: need advice relocating batteries [message #306521 is a reply to message #306506] |
Sun, 04 September 2016 19:53 |
Bob S.
Messages: 143
Registered: October 2012
Location: Rapid City, SD
Karma: 2
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Senior Member |
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Matt,I did take it to an Onan Cummins repair shop. The tech told me there was a direct short in the rotor. I don't know what that is but his explanation sounded thorough. He said he didn't know if the part was available or not. With the nightmare that this is turning into, I probably should have researched if a little further before buying the new generator. So much for 20/20 hindsight.
Bob and Pam Schilling
Rapid City, SD
"78 Royale
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| Re: need advice relocating batteries [message #306522 is a reply to message #306521] |
Sun, 04 September 2016 20:09 |
A Hamilto
Messages: 4508
Registered: April 2011
Karma: 39
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Senior Member |
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Bob S. wrote on Sun, 04 September 2016 19:53Matt,I did take it to an Onan Cummins repair shop. The tech told me there was a direct short in the rotor. I don't know what that is but his explanation sounded thorough. He said he didn't know if the part was available or not. With the nightmare that this is turning into, I probably should have researched if a little further before buying the new generator. So much for 20/20 hindsight. Don't kick yourself. The rotor can't be repaired, and the only way to acquire one is from another (donor) Onan. But if you can find a way to get your old Onan to Jim Miller in Ohio, he can use it for a donor to keep others running.
[Updated on: Sun, 04 September 2016 20:10] Report message to a moderator |
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