[C320-list] noise at 1800

[Brahmany Kite]

Did you realign the engine?

On 9/3/13, jim brown <jbrown5093 at yahoo.com> wrote:
> Had the boat hauled while we were on vacation for a week to have the bottom
> cleaned and repainted. While it was out I had the two blade prop changed to
> a three blade (my wife is at the helm and wanted more reverse power-I know
> it's slower-she doesn't care), the cutlass bearing replaced (10 years on the
> original) and the stuffing gland redone with Gortex packing. When taking the
> boat back to our marina we noticed a high pitched screeching sound only at
> 1800 to 2200 rpm. Go below 1800 and above 2200 and no vibration and quiet.
> No noise at the dock in neutral throughout the rpm range. Can't really
> locate the noise except it doesn't seem to be coming from the transmission
> or the packing gland (and that is cool after half hour of motoring), and it
> seems a little louder in the aft lazarette.   Any suggestions? Is there an
> upper bearing in the stuffing box that might need attention?
>
> Jim Brown  Desafinado 973
>
>
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