B.A. International Optima BA60E, Инструкция по эксплуатации

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13
BA60E contra-angle handpiece
> Prophy cap/brush
Locking the contra-angle handpiece drive:
Insert the spanner in the drive dog.

Lock the contra-angle handpiece drive.

a) Screw the cap/brush in
as far as it will go.
b) Check that it is securely attached.
c) Unscrew the cap/brush.
b)
a)
c)