[Jewelry making - Article 00762] - [Orchid] Bearing removal on lapidary saw

[Adrian Brentnall]

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Hi everybody

    I'm renovating a 6" Beacon Star Super lapidary combo
    (saw/grinder/lap) unit - which has seen better days. 

    The grinding stones need to be replaced (they're about 3" diameter
    rather than 6") - and, while I'm at it I'm going to try and replace
    the bearings, which are currently a bit sloppy. 

    The strip-down of the main shaft has been OK so far - all the screws
    and Allen setscrews have come undone - but I can't see what's
    holding the bearings in place. Are they 'fixed' in some way - or are
    they held on by rust <g> ? I've not yet tried WD40 - I guess that's
    the first thing ? 

    This machine seems to be based in 'inches' - I managed to find some
    metric bearings that are the correct outside diameter, but I think
    I'll need to 'invent' some thing metal shims to make the new
    bearings snug on the old shaft - think this should work ?? 

    I'd appreciate any comments from anybody who has been here and done
    this - _before_ I get the big hammer out ! 

Many thanks
Adrian
Suffolk UK


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