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Use proper technique: The GEM® drive unit is designed to stop
if downward pressure is applied. Use the lightest touch to guide the
abrasive discs rapidly back and forth across the surface of the ring
allowing them to remove one layer of material after another.
If the drive unit stalls or stops you are applying too much pressure
The lighter your touch, the faster GEM cuts
❷ Make a single cut then use the GEM® ring spreader instrument
(Order code #250) to spread and remove the ring.
❷ Make two cuts in rings made of titanium, chromium cobalt, or
tungsten carbide or if the ring is to be preserved and repaired.
REMOVE DISC FROM DRIVE UNIT
❶ Use thumb to prevent mandrel from turning ❷ Use disc tool
supplied with your system to loosen disc screw ❸ clean disc using
protocol shown in
install disc screw using thumb to prevent mandrel from turning.
EVALUATE AND DISCARD DULL CUTTING DISCS
Diamond (RED) cutting disc: run your finger along its edge, if the
edge is smooth, discard
Carbide (BLUE) disc: if the carbide is worn down to the point that it
will not cut completely through a ring, discard the disc.
Using dull and worn discs are the primary reason for drive unit
failures.
CUT AND REMOVE THE RING
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❹ Return to disc to plastic container ❺ Re-
.
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