HA-8180V 4-24
Chapter 4 Maintenance
4.2.7 Replacing the Tubes of the Drain Pinch Valves
Replace the tubes of the drain pinch valves every 6 months or if the tubes aspirate foreign matter.
Prepare: Spare tubes (for valves), gauze
and protective gloves
1 Turn off the power.
a Make sure the standby screen is displayed and press the standby switch.
• The power will be turned off.
2 Open the side cover.
a Move the hemolysis washing solution bottle as shown on the
right.
• This makes it possible to open or close the side cover.
b Open the side cover.
c Lay tissue paper below the drain pinch valves.
• The tissue paper blots up any liquid that overflows when
removing the old tubes.
3 Replace the tubes.
a Remove the four old tubes from the drain pinch valves.
b Connect both ends of the new spare tubes to the top and bottom
joints of the drain pinch valves.
Wear protective gloves to prevent exposure to pathogenic microbes.
Discard used tubes and protective gloves in accordance with local regulations for
biohazardous waste.
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