13
EN FR
5–2 Cleaning
Clean the coupling and wrench under running water as
follows.
Coupling
1 Using a soft-bristled toothbrush, clean the entire
external surface of the coupling wrench under running
water for at least 15 seconds (Fig. 20).
(Water condition: ≤38 °C, ≥3.5 L/min; water should be
of the same quality as drinking water)
Fig. 20
2 Rinse from the hose connection side with running water
for at least 5 seconds (Fig. 21).
Fig. 21
3 Under appropriate lighting (natural office lighting, 500 lx
or higher), inspect the coupling for blood or other debris.
If any visible debris remains, repeat the process until the
coupling is visually clean.
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