Page 16 BB6100 Operating Manual
CAUTION
Bearings spaced too far apart allow extreme deflection of the bar
and will decrease bore accuracy. Avoid spacing bearing supports
more than 5 feet (1.5 m) apart.
3.3 Installing End-mount Bearing Support
Though the end-mount bearing support attaches to the outside of the work piece, it
can be positioned anywhere on the boring bar.
3.3.1 To install the end-mount bearing support
1. Clean the bore with solvent to remove grease, oil, and dirt.
2. Inspect the bar for nicks or cuts. Dress the bar smooth with a honing stone if
necessary. Clean the bar with solvent to remove dirt and chips. A bar with nicks
or gouges can severely damage mating parts, including the tool carrier and RDU.
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