ivory Silk Line SL411C Instructions Pour L'utilisation page 46

Fitting and removing the head (only models SL411C, SL411L, SL421C, SL421L)
1) Turn the locking ring (1) fully anti-clockwise and push in the head (2) as far as it will go.
2) Release the locking ring (1).
3) Check that the head is securely held in the handpiece.
4) Turn the locking ring (1) fully anti-clockwise to remove the head (2).
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