I Switched to Oberdorfer Pump

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baysailor2000's picture
baysailor2000
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Posts: 218
I Switched to Oberdorfer Pump

I did it... I did it - yeeeeeh

Installing a new Oberdorfer was not so complicated.
Thanks to many help received from this forum members and experts.

[url]http://biax.selfip.com/OberdorferRawWaterPump-Replacement/HomePage-Frame...

Haro Bayandorian, 1999 C36 MKII, Sail La Vie #1787, M35B,
Coyote Point, San Mateo, CA.

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TomSoko
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Haro,
It looks AWESOME!

Tom Sokoloski
C36/375IA Past Commodore
Noank, CT

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LCBrandt
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Posts: 1282

Well done, Haro!

Larry Brandt
S/V High Flight #2109
Pacific Northwest, PDX-based
2002 C-36 mkII SR/FK M35B
 

pierview
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Posts: 602

I must have misse the beginning of this thread... what's the big advantage of the Oberdofer vs the orginal?

Chuck Parker
HelenRita 2072 Mk II
2002 Tall Rig - Winged Keel
Atlantic Highlands, NJ

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plaineolde
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Posts: 753

For me, it's getting rid of those &@%$#$ bolts that are inserted from the rear. That makes it such a PITA to change impellers compared to having the plate/bolts on the front like the Oberdorfer. Whatever engineer thought that was a good idea obviously never had to service the impeller. The Sherwood pump does what it's supposed to do, so it would be just fine except for those lousy bolts.

Gary and Cathy Price
1997 C36 Mk II Tall Rig/Wing Keel Imagine...
Hull # 1617
Worton Creek, Md.
Northern Chesapeake Bay

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Peter Taylor
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Posts: 107

Haro
Great post - thanks very much indeed. I am contemplating doing the conversion as my Sherwood pump is now leaking after less than 200 hours.
Your careful explanation has boosted my confidence!
One question - do the existing 1/2 inch elbows in the Sherwood screw into the new Oberdorfer body.

Peter Taylor Melbourne Australia. Altair  #2227 2005 C36 Mk11

windward1
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Joined: 9/18/09
Posts: 146

One of the screws on my Sherwood cover was stripped, so someone drilled the hole all the way threw the part and put a bolt, washer and nut in the through hole with the head in front. It has worked fine and is easier to change. The other two screws are still the originals accessed from the rear. It is tempting to do that with the other two screws.

Richard
1994 C36 Tall Rig M1.5
Waukegan Harbor
Lake Michigan

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baysailor2000
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Peter
Yes - the elbows from the Sherwood pump can be transferred to the Oberdorfer N202M-16 since it also has 1/2" NPT connections. For mine I moved the output elbow - but on the input side I saved money by going to a hardware store.

Haro Bayandorian, 1999 C36 MKII, Sail La Vie #1787, M35B,
Coyote Point, San Mateo, CA.

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