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Old 12-01-2020, 11:25   #1
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Onan 13.5K adequate water flow?

I may be dreaming but after replacing my impeller on my Genset (and removing several bits) it seems I donít have the same flow. Itís a consistent minimal flow but it doesnít seem to ďspitĒ like it used to...
Before I get into an overheat issue, is this normal?
TYI
Dayton
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Old 12-01-2020, 11:32   #2
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Re: Onan 13.5K adequate water flow?

Yes
No
Maybe.

Got video?
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Old 12-01-2020, 11:34   #3
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Re: Onan 13.5K adequate water flow?

Didn’t know I could post one. I’ll try.
Thanks
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Old 25-02-2020, 15:13   #4
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Re: Onan 13.5K adequate water flow?

Purging air is difficult. You will need to use a short piece of hose in vertical above reservoir to force air out.
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Old 25-02-2020, 15:21   #5
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Re: Onan 13.5K adequate water flow?

Thanks turtle, I’ll give that a shot somehow. I haven’t addressed it yet.
Cheers
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Old 25-02-2020, 22:39   #6
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Re: Onan 13.5K adequate water flow?

Quote:
Originally Posted by Turtle Blues View Post
Purging air is difficult. You will need to use a short piece of hose in vertical above reservoir to force air out.

Purging what air?
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Old 26-02-2020, 05:26   #7
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Re: Onan 13.5K adequate water flow?

Sorry, should have explained better. When you replace the housing it's hard to displace all the air. Even a small amount will allow cavitation and partial loss of suction which the pump will not overcome. Refill procedure is to shutoff intake seacock and fill system from above to assure complete air removal and then reopen seacock on startup.
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