Join Date: Jan 2003
Location: Maine Coast
Thanked 311 Times in 241 Posts
Rep Power: 18
The installation instructions for GFO.....
I just re-read the GFO instructions and even Gore does not call it dripless, at least in the installation instructions, and to work correctly it SHOULD have some leakage. I guess I never actually read the directions and assumed it was dripless. It's no wonder it got hot when I stopped the driping of my GFO packing and ruined my shaft...
The directions below are straight from the packaging that comes with the Gore GFO packing. Note that it does NOT say it is dripless but to adjust the packing to your desired LEAKAGE! If a web site that sells marine supplies is telling you it's dripless they most likely are saying it drips less and not that it is dripless. Gore is great stuff, and by far the best of the traditional style packing flaxes, but it should not be run totally dry. You will eventually ruin your shaft if you run it bone dry. I have my old shaft in the basement that is proof positive GFO, if adjusted to NOT leak slightly, will damage a shaft..
"AFTER THE LAST RING IS INSTALLED, take up bolts finger tight. Do not jam the packing
into place by excessive gland loading. Make sure gland bolts are taken up evenly. STOPPING
LEAKAGE ENTIRELY AT THIS POINT WILL CAUSE THE PACKING TO BURN UP. Run
the vessel for 5-10 hours and readjust packing to get desired leakage."
-Maine Sail / CS-36T
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