[Public-list] Sherwood water pump

[Sommer, John]

George is correct....you are going to have the pump rebuilt.  I also have a
5411 and dealt with this very same issue.  

Do not buy the recommended replacement pump! It does not pump the same
volume.  You will be just wasting your money.  The parts are pretty easy to
come by.  Any machine shop can push out the seals.  Pay close attention to
the stainless steel shaft.  You may have to have that machined.

Just my 2 cents

John Sommer
Mandolaire
US 5

-----Original Message-----
From: Bill Blevins [mailto:billblevins at mac.com] 
Sent: Wednesday, August 18, 2004 10:57 AM
To: Alberg 30 Public List -- open to all
Subject: Re: [Public-list] Sherwood water pump

George, your diagnosis sounds right. Is that a standard thing to replace 
or fix? I have plenty of water going through the engine and out the 
exhaust so I don't think I'm in any harm in running it this weekend, 
other than pumping the bilge occasionally.

Bill Blevins
'Sabrina' #158

--

George Dinwiddie wrote:

>Bill,
>
>It sounds like your shaft seals are gone.  On the Oberdorfer pump, there
>are two seals, one holding the water and one holding the oil.  In
>between, there is a hole to let leaking water into the bilge rather than
>forcing it past the oil seal into the engine.
>
> - George
>
>On Wed, Aug 18, 2004 at 10:31:38AM -0400, Bill Blevins wrote:
>  
>
>>My water pump has a leak just after it mounts to the engine. It is a 
>>Sherwood? pump on a 11hp Universal 5411 diesel. There appear to be two 
>>holes on opposite sides of the shaft near the base (behind the 
>>impeller). The way the pump is mounted, one is nearly on the top and one 
>>is down. I get a near constant drip when the engine is running and water 
>>streams out for a few minutes after I shut it down. I'm thinking I'm 
>>missing some sort of screw that is supposed to be in that hole? I have 
>>never seen water coming out here before. I forgot to take a picture but 
>>thought maybe one of you would know the two little holes I'm talking 
>>about have have a suggestion. I checked the impeller last night and it 
>>was still looking new. I replaced that mid-year last year.
>>    
>>
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