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To Use Twist Drills
WARNING: NEVER attempt to use SB35 machine in auto feed mode when using twist drills. THIS MAY
RESULT IN MAGNET LIFTING. ALWAYS use in manual mode when using twist drills.
To use twist drills, the arbor support bracket must be removed by removing the three socket head bolts. Then
an optional chuck adaptor arbor and chuck must be fitted. Follow the instructions below to replace the arbor
support bracket.
Arbor support bracket replacement
1.
Replace arbor support bracket and screw in the 3 hex head bolts finger
tight only (ensure that the needle bearing is clean and adequately
greased.)
2.
Replace the annular cutter arbor.
WARNING: Use extreme caution to avoid contacting the rotating arbor
shaft!
3.
Double check to ensure that there is no binding anywhere throughout the
stroke.
INSTRUCTIONS FOR AUTO-FEED OPERATION
WARNING: NEVER use poor quality, incorrect sized or dull cutters in auto feed mode. THIS MAY RESULT
IN MAGNET LIFTING.
The Auto-Feed Feature
A lever incorporated into the feed handle engages or disengages the feed drive gears. If the auto-feed mode is
not engaged, the machine may be used in the same fashion as the manual machine as described above. Below
are the additional instructions needed to operate in auto-mode.
IMPORTANT: When in manual mode, the three lever handles will be pointing
outward slightly (out). When in auto-feed mode, the lever handles will be
parallel with the side of the machine (in).
NOTE: Do not operate the auto machine banked to one side in the plane of the
lever as this may allow the machine to slip into or out of auto-feed mode
unexpectedly.
WARNING: Do not attempt to drill a work piece which is thicker than the
maximum cutting depth of the cutter being used. Never exceed 1-3/16”
