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Re: axle boxes ( F.V.)
<<<<<<Don't quote me on this, but it may be to do with crack detection. It has
probably always been done, but bogies used to get painted with a nice VR
brown after the overhaul. This probably is no longer happening.
I do know that after a wheel has been crack detected it has its rim
painted white as part of the process.>>>>
Most railways around the world (and the FRA) ban the painting of couplers and
wheels because paint can cover up a crack that needs to be detected. Of course
you can have a crack on a bogie or side sill and it is not as critical as a
crack in a coupler or wheel so painting bogies is no problem.
Mark
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http://home.earthlink.net/~markbau/