[C320-list] fresh water pump

[Warren Updike]

Sorry for the late followup. I'm just catching up after an absence. My pump
does the cycle thing also. I agree that if you find no leak the problem is
the line is losing pressure through the pump. You can probably find a
rebuild kit online that will include the parts that are allowing the
pressure loss. 

Warren and Pattie Updike
1994 C320 "Warr de Mar" #62

-----Original Message-----
From: Graeme Clark [mailto:cg at skyflyer.co.uk] 
Sent: Friday, August 07, 2015 2:46 PM
To: C320-List at Catalina320.com
Subject: Re: [C320-list] fresh water pump

The cycling is due to a gradual loss of pressure (the pump has a pressure
switch on it) and is almost always caused by crud building up on the rubber
diaphragm inside the pump.

Although access is a bit of a pain, once you get the pump and mtror out you
can quite easily disassemble it and clean up the diaphragms. I should warn
you that what you find will probably put you off consuming any water from
the faucet that hasnt been thoroughly boiled.

Graeme
Jaskar
#366 -  1996
On 7 Aug 2015, at 19:30, Dean Vermeire <dean at vermeire.us> wrote:

> Hi Bill,
> 
> I don't know if the plumbing layout on your Mk II is the same as on our
320 "Classic", so I am not sure where to tell you to look. Mostly at the
fittings, I suppose.
> 
> Have you tried laying newspaper or something under the fittings and tubing
to see where the leak is?
> 
> Dean
> 
> On 8/7/2015 10:27 AM, Bill Lowe wrote:
>>  My fresh water pump cycles on for a split second every few minutes. None
of the faucets (head, galley, cockpit) seem to be leaking. ?It is more of an
annoyance that a problem but I like suggestions on where to look to fix it.
>> 
>> 
>> 
>> 
>