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09-04-2014, 10:02 AM
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#1
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Junior Member
Join Date: Sep 2014
Posts: 6
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Onan generator high idle
I have a 1990 pinnacle and the onan generator only does high idle... help
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09-04-2014, 10:14 AM
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#2
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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Can you post more info on your gen set. Model number, gas/diesel/propane?
New problem ?
Have you tried shutting of the main circuit breakers in the RV to make sure all loads are removed.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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09-04-2014, 10:18 AM
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#3
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Junior Member
Join Date: Sep 2014
Posts: 6
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I can post more after work. Will try breakers
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09-04-2014, 12:23 PM
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#4
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,713
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Need to have the generator info, but how did you determine it is a "high idle". Unless it is an inverter type generator (doubtful on your 1990 Pinnacle), the generator needs to run at a fixed RPM (usually 3600) to produce the proper voltage and frequency, so it idles at the same speed that it runs under load. The governor keeps the RPMs constant regardless of load.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-04-2014, 02:21 PM
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#5
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Junior Member
Join Date: Sep 2014
Posts: 6
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It just sounds like it is a air plane getting ready to take off
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09-05-2014, 09:40 AM
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#6
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,713
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Plug a voltmeter or frequency meter into an outlet with the generator on. If the RPMs are too high, the voltage and frequency will also be too high, i.e. above 125v and 62 Hz. On the other hand, if the voltage is in the 117-125 range and the frequency between 58 and 62, it is just doing its job.
__________________
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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09-05-2014, 10:33 AM
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#7
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Junior Member
Join Date: Sep 2014
Posts: 6
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OK thanks for the info.
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09-08-2014, 10:16 AM
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#8
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Junior Member
Join Date: Sep 2014
Posts: 6
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found out throttle body was froze up. ordered new carb. to fix that problem... 
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09-08-2014, 10:20 AM
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#9
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,500
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Glad you found the problem, thanks for posting you're getting things fixed.
Sorry it wasn't a cheap repair. 
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Linear Mode
