4.3 Washing and Cleaning
HA-8190V 4-31
4.3.4 Cleaning the Piercing Nozzle
Clean the piercing nozzle once a week. Contaminated piercing nozzle accelerates degradation of the O-ring of the
nozzle washing block. If the O-ring degrades, hemolysis washing solution may leak, resulting in inaccurate
measurement results.
Prepare: Cotton swabs, gauze, purified water
and protective gloves
1 Move the piercing nozzle.
a Move the piercing nozzle by menu operation, then remove the STAT port cover.
• See steps 1and 2 in “4.2.5. Maintaining the Nozzle Washing Block and O-ring/Replacing the Piercing Nozzle” on
page 4-17.
2 Clean the piercing nozzle.
a Wipe off dirt from the outside of the piercing nozzle with cotton
swabs.
• For stubborn dirt, use gauze moistened with purified water.
Wear protective gloves to prevent exposure to pathogenic microbes.
Discard used cleaning tools and protective gloves in accordance with local regulations for
biohazardous waste.
The mechanical section of the piercing nozzle stops automatically if the front cover is opened.
Follow the instructions described below to avoid injury and damage to the instrument.
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