Yep, both generators feed off a common RACOR.
Far fetched or not, PO insisted he experienced the same symptoms unless the inactive fuel line was closed.
Will advise whether that was all it was.
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Thread: ONAN 20 kw Over rev shutdown
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11-19-2019 09:20 PM #21Senior Member
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- Apr 2005
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Re: ONAN 20 kw Over rev shutdown
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12-09-2019 09:33 PM #22Senior Member
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- Apr 2005
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Re: ONAN 20 kw Over rev shutdown
Update -
(Still scratching head)
Replaced both primary and secondary fuel filters
Replaced impeller
Replaced low pressure fuel transfer pump
Switched Racor 3 way valve so just the 20kw is being fed.
Still busted. Not maintaining steady RPM. Suspect it's the governor or HP pump.
Anyone know a good ONAN guy in Ft Lauderdale? Pascal - Who's the Miami guy?
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Re: ONAN 20 kw Over rev shutdown
Alex, Precision Generators (786) 251-2800
Pascal
Miami, FL
1970 53 MY #325 Cummins 6CTAs
2014 26' gaff rigged sloop
2007 Sandbarhopper 13
12' Westphal Cat boat
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12-19-2019 06:18 PM #24Senior Member
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- Apr 2005
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Re: ONAN 20 kw Over rev shutdown
Hired a pro. Problem was a bad over rev shut off switch. Bypass switch and it runs great.
Now the trick is to find a replacement switch. Have not called Cummings yet but not optimistic.
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12-19-2019 06:31 PM #25
Re: ONAN 20 kw Over rev shutdown
Way off topic but curious where you are moored in FLL. Are you along the New River?
Dave & Trina
Benedetto
1989 60MY HATDK310
Sturgeon Bay/Ft. Lauderdale
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12-19-2019 06:45 PM #26Senior Member
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- Apr 2005
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Re: ONAN 20 kw Over rev shutdown
ICW mile 1062