| Onan manual [message #313384] |
Fri, 17 February 2017 11:16  |
Bill Shourt
Messages: 33
Registered: January 2005
Location: Sherman Oaks ,Ca
Karma: 0
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Is there a Onan 6500 power drawer manual available on line? Thanks all for you help once again.
Bill and Michele Shourt
78 Kingsley, origional
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| Re: [GMCnet] Onan manual [message #313400 is a reply to message #313391] |
Fri, 17 February 2017 20:41  |
Jim Miller
Messages: 501
Registered: March 2008
Karma: 10
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On Feb 17, 2017, at 5:16 PM, Matt Colie wrote:
> Problem here, the 6500 was an Emerald and not a PowerDrawer. There are manuals on the GMC site, but they might not be for what you have. Emerald isn't hugely different, but there were changes.
The engine may bear a lot of similarity but there are fundamental differences in the generator section. The PowerDrawer is a stationary field/rotating armature design (== output power is produced in the rotating member) and the Emerald is a rotating field/stationary armature (==output power comes from the non-rotating member). The Emerald also has multiple windings in the armature which gives greater output voltage flexibility and instead of a flywheel alternator for battery charging/controls feedback like the NH, the Emerald incorporates that function into the generator section.
Engine controls and voltage regulation in the generator are also going to be different from the PowerDrawer.
—Jim
Jim Miller
1977 Eleganza
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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| Re: [GMCnet] Onan manual [message #313415 is a reply to message #313400] |
Sat, 18 February 2017 08:01 |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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Jim Miller wrote on Fri, 17 February 2017 21:41On Feb 17, 2017, at 5:16 PM, Matt Colie wrote:
> Problem here, the 6500 was an Emerald and not a PowerDrawer. There are manuals on the GMC site, but they might not be for what you have. Emerald isn't hugely different, but there were changes.
The engine may bear a lot of similarity but there are fundamental differences in the generator section. The PowerDrawer is a stationary field/rotating armature design (== output power is produced in the rotating member) and the Emerald is a rotating field/stationary armature (==output power comes from the non-rotating member). The Emerald also has multiple windings in the armature which gives greater output voltage flexibility and instead of a flywheel alternator for battery charging/controls feedback like the NH, the Emerald incorporates that function into the generator section.
Engine controls and voltage regulation in the generator are also going to be different from the PowerDrawer.
--Jim
Jim,
Thanks, I was unaware that Emeralds were a rotating field machine....
That is one HUGE difference.
Matt
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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