CLEANING, DISINFECTION AND STERILISATION
After 10 minutes of immersion in the ul-
trasonic tank with demineralised water,
rinse the internal channels of the pol-
isher nozzle by injecting 20 ml of deion-
ised water at ambient temperature (20°C
– 25°C) using a syringe with needle, five
times in a row.
6.5.1.3
K9 Wrench
Place the K9 wrench in a clean container.
Add enough enzymatic detergent solu-
tion to completely cover it.
Leave the K9 wrench to soak in the
enzymatic
detergent
10 minutes at ambient temperature
(22 °C ±2 °C);
While soaking in the enzymatic solution,
gently brush all the surfaces until all visi-
ble soil has been removed.
Use a clean brush with soft nylon bristles
for the external surfaces, and a clean pipe
cleaner with soft nylon bristles for the in-
ternal cavities and grooves.
NOTE: Thoroughly brush all the
following parts of the K9 wrench for
about 20 seconds:
• Through-holes and internal
channels;
• Hard-to-clean areas such as
sharp edges and in particular, the
interstices between the cutting
cusps;
• External metal ring;
• Internal cavities, grooves and
fissures.
11
12
solution
for
13
x5
H₂O
29