[C320-list] Temperture Sender - 3GM30F

[Joseph Aberdale]

Jamie,

Please send me the Seaward test procedures.  Thank you.

Joe Aberdale
#908

On Jul 27, 2010, at 11:03 PM, Jamie Pett 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
>
>
>
>
>