of your Flex Shaft |
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| Follow these factory
recommended guidelines. Lubricate the shaft every 50 hours of use. Use
lubricant sparingly; do not place any lubricant on the last 6"
nearest the handpiece (enough will work its way down). Shaft lubricant can
cause problems if allowed to seep into the handpiece. Using a rag, wipe
the old lubricant off, apply a small amount of new lubricant and wipe
again with a clean rag. Do not over-lubricate, but also strive to
lubricate at the recommended interval.
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| It is very important to adjust
the relationship of the shaft and sheath according to factory
instructions. Using the set screw at the top of the motor connector,
adjust until the shaft extends from the sheath exactly 3/4". If the
shaft extends too far from the sheath, the shaft will cause overheating
and premature wear to the handpiece, and could result in overheating or
damage to the shaft.
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| Motor brushes typically last
through 500 hours of operation or more. Replace them when they are down
to 1/4" (from their original 3/4" length). Always replace
motor brushes as a pair to maintain an even, balanced delivery of
current. If your motor demonstrates a loss of power or torque it may be
time to replace the brushes. Motor brushes aren't really brushes as we
think of them, they are little graphite rods about 1/4 inch square by
3/4 inch long when they are new. To check the condition of the brushes
on your flexshaft motor, find the two black plastic cap screws on each
side of the motor. Unplug the power cord and remove the brush cap screws
and pull the brush out of the motor. When replacing the brushes, be sure
the spring is on the cap-screw side of the of the brush.
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