T&T: engine gauges

[Colin Cooper]

Jim,

My gauges did the same thing on my Fu Hwa 38 until I cleaned all the
connections including the grounds at both ends. I stole one of my
girlfriends disposable nail files for the ones that are held on with nuts
and coated the important connections with a little dab of grease to help
deter corrosion.

Hope this helps,

-Colin
-38 Fu Hwa "Soggy Bottom"


On 8/5/08 2:05 PM, "Jim Gano" <htgan at yahoo.com> wrote:

> My GB 42 has two sets of engines gauges (RPM, engine temp, oil pressure,
> etc.); one set at the flying bridge and one set at the lower helm.  The gauges
> generally do not read the same (but close enough for general use).
> 
> That said, on a recent trip, from the flying bridge one of the crew reported
> to me that one of the engines was running hot (that gauge read about 20
> degrees higher then "normal").  I quickly checked the lower helm gauge and the
> engine itself with an IR thermomenter.  Found the engine temp at a rock solid
> 180 degrees and the lower gauge reflecting that.  In the matter of 30-40
> seconds, the crew reported the flying bridge gauge was back to "normal".  I
> have seen this before where a gauge just "ticks" up (or down) and then returns
> to "normal" a very short time later.
> 
> I am considering cleaning (wire brush) all the connection points to the
> gauges... I would like to make the two sets of gauges match readings...and I
> would like to calibrate those that I can (like the temp and the RPM).
> 
> Should I do this or live with the way it is? Will it help?
> 
> Jim Gano
> Seminole 42 GB
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