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  #31  
Old 07-31-2008
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Quote:
Originally Posted by camaraderie View Post
Fuzzy...I think you are referring to speedseal.com
That's the thing. Looks to me as if the only change is using gnurled knob instead of slotted screws. Not a bad idea I must admit but hardly revolutionary.

Any thoughts ?
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Old 07-31-2008
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The speedseal has slots for some of the screws IIRC, so you don't have to remove all the screws all the way to remove the seal plate.
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  #33  
Old 08-01-2008
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Re: Speed Seal

Having had one on a boat that I owned, came with it, I can't understand why someone would pay good money for this.

It takes me all of about 30 seconds to remove all the screws and it took me the same amount of time to un-thread all the Speed Seal screws as they are the same thread pitch. I really did not realize much if any time savings with the Speed Seal..
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Old 08-01-2008
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Moyer Marine makes a replacement back plate for most Oberdorfer pumps on A4s that employs an o-ring and four captured knurled-head screws. The advantages are three-fold: No more having to replace the gasket, no more having to get a screw-driver on to the screws--possibly from an awkward angle/position, and no more dropping screws, etc. into the bilge .

Perhaps the Speed Seal cover offers some of the same advantages?

Thanks for the picture of the new impeller, Hal!

Jim

Last edited by SEMIJim; 08-01-2008 at 08:15 AM.
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Old 08-01-2008
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haleki 36 that is a great w/p impeller photo ! i thought every one can use an aid to install the impeller. use a hose clamp and curve all the blades in the same direction as you tighten the clamp till they are small enough to enter the houslng. just be sure they are bent in the right direction when you push the impeller in. this makes the job easy. i am a retired diesel mechanic and use this method
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Well, looks like I won't be obtaining a Johnson MC97 impeller for our engines Oberdorfer 202M-series pump. Johnson doesn't make one for that pump. Nor does Jabsco. The only impeller manufacturers that make impellers for our pump is Oberdorfer (Neoprene), Globe (out of the question), Barco (whomever that is--same p/n as Globe, so I suspect that's a re-badged Globe) and Sherwood (which I cannot confirm because their web site is basically utterly and completely worthless.)

So it looks like it's the Oberforfer impeller for us.

Jim
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Re: Changing A Raw Water Impeller (How To)

yanmar 4jh dte with litte acces - how to?
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Re: Changing A Raw Water Impeller (How To)

I do all the same except use this brake lube for assembly. Works with rubber as well.

http://www.autozone.com/autozone/acc...uestid=8039288

I use it for my turn buckles as well.
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