Chapter 3, Basic Care Preventive Maintenance
3-11
7. At Install Disposable screen perform the following:
• Install partially water-filled bowl in the centrifuge and lock the
centrifuge cover.
• Install a DPM filter in the DPM.
• Floss a segment of clear LN620 harness tubing through the line
sensor.
• Verify that the PCS2 display advances to the Load Pump/Test
Centrifuge screen.
8. Press the PRIME key and verify the following:
• Both pumps turn clockwise for a few seconds, then stop.
• The centrifuge spins for a few seconds, then stops.
9. Press the YES key and verify the Plasma Collection Weight Selection
screen is displayed.
10.Press the MODIFY key and verify the Saline Substitution screen is
displayed.
Note:
This screen will only be displayed if the saline option is
programmed. If the saline option is not programmed, verify the
PRIME screen is displayed and proceed to step 12.
11.Press the NO key and verify the PRIME screen is displayed.
12.Install fluid-filled tubing in the AC, DLAD1 and DLAD2 and then
press the PRIME key. Verify machine advances to the Ready screen.
13.Install fluid-filled tubing in the BLAD.
14.Press the DRAW key and verify that both pumps are turning
clockwise, the centrifuge is spinning and the cuff inflates. Also verify
that the donor and plasma valves are open.
15.After a few moments, the “No Pressure Change At DPM” message
will be displayed. Press the DRAW key to continue.
16.Observe the air/water interface in the bowl as the centrifuge is
spinning and listen for any signs of the centrifuge contacting the
cabinet. Verify the air/water interface never becomes discontinuous,
indicating excessive vibration.
17.Press the STOP key. Verify the centrifuge and both pumps stop and all
valves close.
18.Press the RETURN key and verify the End Procedure Option screen is
displayed.
19.Press the YES key and verify the blood pump turns counterclockwise
and the AC pump is not turning. Also verify the donor valve opens
immediately and the plasma valve opens shortly thereafter.
20.Press the STOP key after a few moments and verify the Ready screen
is displayed.
21.Press the STOP key again and verify the Abort Procedure screen is
displayed.
