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Tools · 10 March 2012, 02:10 AM

The issue is not one of having grease on the threads.. It's one of over-tightening the case back that will cold-fuse threads from deformation. Caseback torque is only 45 inch pounds. Also, a case that has corrosion will "fuse" if left for years....

Not having a bunch of white grease on the threads is seldom an indication that they were never lubed, whereas visible grease may more be an indication of too much grease used... Threaded fasteners only need a film.

It is more likely that you are seeing residue from coating the o-ring with fomblin as much as it may be any use of it on the threads..

10 March 2012, 02:10 AM	#6
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	The issue is not one of having grease on the threads.. It's one of over-tightening the case back that will cold-fuse threads from deformation. Caseback torque is only 45 inch pounds. Also, a case that has corrosion will "fuse" if left for years.... Not having a bunch of white grease on the threads is seldom an indication that they were never lubed, whereas visible grease may more be an indication of too much grease used... Threaded fasteners only need a film. It is more likely that you are seeing residue from coating the o-ring with fomblin as much as it may be any use of it on the threads.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

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