I bought a used jabsco raw water pump for a spare off another boater. I took it to a local shop to have it overhauled to keep as a spare. I developed a leak on my port engine last time out. I opened up the overhauled pump to install an impeller and found a brass/ bronze shaft installed in the pump. My original is stainless. Anyone have an opinion on this material? Seems to me brass and salt water don't mix. What say the experts?
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Thread: Raw water pump shaft materials
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09-19-2014 11:07 AM #1
Raw water pump shaft materials
Jim
Cranston, Rhode Island
1989 41c Hull# 881
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09-19-2014 11:09 AM #2
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09-19-2014 01:05 PM #3Senior Member
- Join Date
- Dec 2009
- Posts
- 225
Re: Raw water pump shaft materials
mine are brass so far so good.
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09-19-2014 02:51 PM #4Senior Member
- Join Date
- Apr 2005
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- 4,168
Re: Raw water pump shaft materials
New rebuild kits I have used had SS shaft....My older pumps had bronze.
Rob Brueckner
former 1972 48ft YF, 'Lazy Days'
Boating isn't a matter of life and death: it's more important than that.
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09-19-2014 05:12 PM #5Senior Member
- Join Date
- Nov 2013
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- 357
Re: Raw water pump shaft materials
I had an oyster shell shear a bronze shaft on a DD 671 years back. Was told they used a bronze shaft originally to shear before damaging the drive gear. A stainless shaft will probably last longer.
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Re: Raw water pump shaft materials
Just rebuilt my Jabsco 6980 . Has a bronze shaft. It looked fine. I can document it being at least 10 years old, probably twice that.
Fred
31 Tiara Open
"Escalation"
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09-20-2014 11:42 AM #7
Re: Raw water pump shaft materials
Thanks gentlemen for putting my mind at ease.
Jim
Cranston, Rhode Island
1989 41c Hull# 881