KaVo INTRAcompact contra-angle 2052 LHC Instructions For Use Manual page 26

Operation
▶ Slightly wet the O-rings on the motor coupling with KAVOspray.
▶ Attach the medical device to the motor coupling and twist it until the
guide stud audibly locks.
▶ Pull on the medical device to make sure that it is securely affixed to the
coupling.
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