ivory Silk Serie Instructions Pour L'utilisation page 38

Fitting and removing the handpiece
ONLY use this contra-angle handpiece with type E micromotors (ISO 3964).
1) Push the handpiece on to the micromotor until it clicks into place.
2) Check that the handpiece is securely connected to the micromotor.
3) Wait for the micromotor to stop before disconnecting the handpiece from it.
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