[C320-list] Temperture Sender - 3GM30F

[Chris Burti]

Please post them here Jamie. I will write up a Mainsheet article and Karl
will likely post it to the Association website.

On Tue, Jul 27, 2010 at 11:03 PM, Jamie Pett <JPett at jp2architects.com>wrote:

> Jeff - Thanks.  Talked to Dennis at Seaward today, I am reasonably sure
>  the problem is the wire - he initially thought I had a bad gage - "lost
> zero"  and he sent test procedures to confirm, but I ran those tonight and
> the gage seemed  ok based  the  test.  Wire test definitely seems bad.
>
> Think wire is bad or shorting to ground, but not sure how to confirm and
> find the problem with the wire and I ran out of daylight ! Might it be right
> at the sender - connection seemed fine ?  I am reasonably clueless about
> electrical systems.
>
> Anyway, I'll let you know what I find - I do have the Seaward test
> procedures for the gage, wire and sender,  if anyone wants them.
>
> Jamie Pett
> Bella Luna
> #614
>
>
> -----Original Message-----
> From: c320-list-bounces at lists.catalina320.com on behalf of Jeff Hare
> Sent: Tue 7/27/2010 7:32 PM
> To: C320-List at Catalina320.com
>  Subject: Re: [C320-list] Temperture Sender - 3GM30F
>
> Hi Jamie,
>
> Seaward made the instrument panel. That is where I gor a spare temp sender
> for our 2001 #809.  If you get one from Yanmar, it'll likely not read
> correctly as they have there own panel.
>
> Check the connection on the sender. The wire may have corroded or may be
> shorted to ground.
>
> Remove the wire and with a ohm meter, check whether the Screw in the end of
> the sender is a short to the case (ground). Also check whether the wire is
> shorted or broken?
>
> -Jeff
>
> ------Original Message------
> From: Jamie Pett
> Sender: c320-list-bounces at lists.catalina320.com
> To: C320-List at catalina320.com
> ReplyTo: C320-List at Catalina320.com
> Subject: [C320-list] Temperture Sender - 3GM30F
> Sent: Jul 27, 2010 12:40 PM
>
>
>
> I have what I believe is a failure of the temperature sender on our 1999
> - Yanmar 3 GM 30 F.  On starting the engine, it immediately reads 240
> degrees.  The engine is running perfect, pumping water and cooling fine,
> etc.
>
>
>
> When I spoke to a marine dealer to get the sender, they said I needed to
> know what system / gage type  it was, since it wasn't Yanmar made sender
> -they mentioned  Teleflex, Stewart Warner, etc. - I cannot find any such
> indication on the gage or the sender, although I have not removed sender
> yet.
>
>
>
> Anyone have any thoughts , including any special process for the removal
> I should know about ? - It seems like its just one wire and then it
> screws in like a spark plug.
>
>
>
> Thanks -
>
>
>
>
>
> Jamie Pet
>
> Bella Luna
>
> #614
>
>
>
>
>
>


-- 
Chris Burti Farmville, NC