Fresh water pump on F38

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Fresh water pump on F38

Postby Ereiss » Thu Aug 04, 2016 8:52 am

The pump has started to cycle for a fraction of a second every twenty servings or so. Just one quick movement of the pump. No leaks visible. Could it be the start of a failing pressure sensor in the pump? Assume I would have to replace the whole thing.

Any advice appreciated.
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Re: Fresh water pump on F38

Postby GeoffSchultz » Thu Aug 04, 2016 5:22 pm

I would suspect that you actually have a leak somewhere. I would tighten up all of the hose clamps on everything.

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Re: Fresh water pump on F38

Postby Ereiss » Fri Aug 05, 2016 2:03 pm

Geoff,
Found that it wet under the pump. Not from any hoses. Wondering if it worth trying to reissue a23 year old pump. It is a Jabsco 36950. Thoughts?
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Re: Fresh water pump on F38

Postby tnltracy » Fri Aug 05, 2016 2:24 pm

Ed, I was lucky enough to find a spare online for about $20 last year, but these pumps seem to generally run around $300. Having been doing research when I found it I found that there's reasonable access to parts including the bladders, etc. Mine had a broken pressure switch which I did find.

The pump is pretty simple overall, you may want to pull and see where the water's coming from and then find the replacement parts.
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Re: Fresh water pump on F38

Postby Ereiss » Fri Aug 05, 2016 6:51 pm

Thanks, that's the current plan.

Regards
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Re: Fresh water pump on F38

Postby GeoffSchultz » Sun Aug 07, 2016 6:12 am

Jabsco has rebuild kits available for most pumps, so I would go that route. I carry a spare pump + a rebuild kit, so I tend to go the belt and suspenders route, which is a reasonable route given where BlueJacket lives.

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