[C320-list] Leaking impeller pump

[Danny Jensen]

if your water pump is 10 years old replace it. The screws on the cover break.... At the wrong time. Do it on your schedule. Was $225 at Bayshore marine when I did my 3gm30f.
Danny #972

Sent from my iPhone

> On Jun 14, 2018, at 9:34 AM, Timothy Woods <woodstimothya at gmail.com> wrote:
> 
> I have a 1996 Yanmar 3gm30f and a new pump was $540. Ended up buy a knock
> off for $270 as a spare.
> 
>> On Thu, Jun 14, 2018, 12:03 PM Bob Hoyt <rehoyt at gmail.com> wrote:
>> 
>> Where did you buy the pump for $180? I know that the raw water pump for the
>> Perkins M30 is $580. My recent rebuild was roughly $180
>> 
>> Bob Hoyt
>> Ikigai
>> 1994 #58
>> Pensacola, FL
>> 
>>> On Thu, Jun 14, 2018 at 10:57 AM, Jeff Hare <Catalina at thehares.com> wrote:
>>> 
>>> As others have mentioned, a rebuild is in order.  But, you'll likely also
>>> have wear/scoring of the back plate and the forward surface inside the
>>> housing as well from grit in the water.  So the rebuild will likely stop
>>> leaking if you replace the shaft and seal, but it won't pump as much
>> water
>>> as a new pump that doesn't have this wear.
>>> 
>>> We purchased a new pump for $180 that primes instantly and pumps water
>>> like a firehose compared to the old one (which I had installed the pump
>>> rebuild kit). So, if you ever have any issues priming after clearing the
>>> strainer, don't bother with a rebuild, get a new one for just a few bucks
>>> more.
>>> 
>>> My opinions of course...
>>> -Jeff Hare
>>> 2001 #809 Woodbine II
>>> 
>>> -----Original Message-----
>>> From: C320-list <c320-list-bounces at lists.catalina320.com> On Behalf Of
>>> Thomas Talling
>>> Sent: Wednesday, June 13, 2018 4:51 PM
>>> To: C320-List at Catalina320.com
>>> Subject: [C320-list] Leaking impeller pump
>>> 
>>> Hi,
>>> I am having problems with my raw water pump leaking on my Yanmar diesel.
>>> I have replaced the impeller twice as well as the o ring and gasket and
>> the
>>> out going tubing and it is still dripping.  Is anyone aware of a bearing
>> or
>>> seal that the impeller shaft sets in that could be in need or replacement
>>> and if so how difficult that would be?
>>> 
>>> Tom Talling
>>> ttalling at gmail.com
>>> 215-262-1427
>>> 
>>> 
>> 
>> 
>> --
>> 
>> *Robert (Bob) Hoyt MD FACP*
>> 
>> *CAPT (Ret) USN*
>> 
>> *Diplomate, Clinical Informatics*
>> 
>> InformaticsEducation.org  <http://InformaticsEducation.org>
>> rehoyt at gmail.com
>> 
>> Cell: 850-384-5235
>>