Reply by bigblockyeti

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Posted on Runout and Deflection

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5906 posts in 2205 days

#1 posted 08-06-2017 06:23 PM

My inspections are the same as Brad’s. One thing to remember is many home (and industrial) woodworking machines are belt driven and with the belts still installed and under tension, completely trashed bearings can offer little to no movement with “moderate sideways pressure” as the belts are already applying substantial radial force ( not pressure ). Older manuals, particularly for large machine from Delta, Rockwell & the like, used to offer detailed specifications far beyond what comes with most of the disposable so called machines from many manufactured today. If you don’t have a spec to measure, it’s just guessing, some folks may be able to apply a little experience to have a pretty good idea of what they should be looking for but that still isn’t as good as measuring the factory spec.

-- "Lack of effort will result in failure with amazing predictability" - Me

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