[Public-list] Sherwood water pump

George Dinwiddie gdinwiddie at alberg30.org
Wed Aug 18 07:52:15 PDT 2004


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.

 1092840735.0


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