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Old 09-06-2016, 08:49 PM   #7
Ski in NC
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City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
Heat can work. Heat lid, not hot enough to melt orings, but modest heat. Spray penetrant in and tap with hammer. Go have a beer. Come back and try wrench again, maybe some more taps. Heating AND cooling tend to break the microscopic bond between the threads, and also can suck in penetrant, though not likely past the orings. Still try a little of this and a little of that. Never been denied.
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