2. Remove the Contra-angle and connecting wire from the handpie-
ce in sequence, and then put them into a clean tray;
3. Use a clean soft brush to carefully protective silicon cover,head
and back cover of the contra-angle until the dirt on surface is not
visible. Then use soft cloth to dry the products and put them into a
clean tray. The cleaning agent can be pure water, distilled water or
deionized water.
b) When removing the protective silicon cover, pull it straight out
slowly.
c) When inserting and removing the contra-angle, turn thehandpiece
power off beforehand.
6.4.3 Cleaning
The cleaning should be performed no later than 24 hours after the
operation.
The cleaning can be divided into automated cleaning and manual
cleaning. Automated cleaning is preferred if conditions permit.
6.4.3.1
Automated cleaning
with EN ISO 15883.
• There should be a fushing connector connected to the inner cavity
of the product.
• The cleaning procedure is suitable for the product, and the irriga-
ting period is suffcient.
It is recommended to use a washer-disinfector in accordance with
mated disinfection section in the next section "Disinfection".
Notes:
a) The cleaning agent does not have to be pure water.It can be disti-
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