packing gland problems

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R4576

.
Jun 27, 2004
31
- - Ottawa, Canada
Last year, I replaced my packing with 3/16" GFO, as recommended by the Catalina manual. The gland leaked too much, so this year, I replaced it with the 1/4". It was a tight fit. A friend of mine did it with his 320 with great success. I have since read that some of the GFO packing was actually .290, not .250.....explaining the tight fit. I ran the engine for a few hours, before making small adjustments, and still had some leaking ( one drop/second). I have now snugged it down to where it feels like the nut won't tighten any further without force. It still drips at the same rate. Although the shaft is cool, there is a small collection of metal particles in the basin under the nut. I have been getting some shaft vibration at low revs, which has never been there before.
Do you think the shaft is being scored ?
Looks like I will have to do an inspection and replace it on the water......no choice, as haul-out is a fixed date in October.
 
Dec 25, 2008
1,580
catalina 310 Elk River
You have probably bottomed out the nut. How many rings did you add?
 
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