> Thought I would share some knowledge I gained in a recent
>rework/refurbishing on two thrust bearings I had in my inventory. The two
>bearings were a Rohn TB3 and Rohn TB4 which I had acquired some time ago on
>some used tower, accessories, etc.? The two bearings had been beaten up by the
>weather and had suffered severe corrosion out in the elements. > Very
>pleased with the result and he offered the following advice based on
>dissimilar metals and the salt air environment at our location. The advice
>would also apply to other locales as well. When I need to replace the
>bolts/hardware that hold the mast in place going thru the bearing he
>recommended using a product called "Lanacote". If I was going to use stainless
>hardware with the aluminum of the bearing it would be beneficial. So
>you're proposing using Lanacote on the bearings and races of the Rohn TB-3 and
>TB-4? I don't think this is a good idea. Or did I misinterpret your statement?
> Since the races and bearings aren't sealed, all of the grit and airborne
>contamination will sluice thru them over time. Any lubricant or similar
>material will just attract and retain the aforementioned junk. Real
>bearings with zerk fittings are another matter. Cheers,Steve K7LXCTOWER
>TECH
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