T&T: Fluctuating oil pressure guage on Ford-Lehman 135

[tands]

On Tue, 03 Jun 2008 18:33:03 -0400, Bob McLeran wrote
> After checking the engine and transmission oil on Sanderling this 
> morning, we got underway from our overnight anchorage off the 
> Potomac River. After about 1/2 an hour, while running at cruising 
> rpm (1600) the topside oil pressure gage started rapidly fluctuating 
> +/- 15 psi from it's normal 45 psi (I think those gages read psi). 
> The inside gage was doing the same, so assume the fluctuation was 
> coming from the sending line caused either by the oil pump or the 
> sending unit or something else.

> 
> Any ideas about what might be causing both gages to rapidly 
> oscillate like this?

I would go right to the source and call Brian at American Diesel tomorrow morning.

Ted G.
DeFever 44, Amici
Branford, CT