CELL-DYN
®
3200 System Operator’s Manual
9-37
9140181H—October 2001
Section 9
Service and Maintenance
6. Carefully pull the top of the needle forward until the flange clears the slot in
the bracket. Lift the needle up and out of the Wash Block and place it in the
beaker or container.
Figure 9.12 Closed Sample Needle
7. Use a syringe with 1/32" (internal diameter) tubing attached. Fill the syringe
with the cleaning solution prepared earlier. Attach the tubing connected to the
syringe onto the top of the Aspiration Needle and inject the solution to flush
the needle.
8. Fill the same syringe with deionized water and inject the water into the needle
from the top to rinse it. Repeat the procedure three times to thoroughly rinse
the needle.
NOTE:
Empty the container between rinses as necessary.
9. Repeat steps 7 and 8 to flush Vent Needle the same way.
1 Holding Clip
2 Aspiration Tubing
3 Vent Tubing
4 Needle Top
5 Vent Needle (shorter)
6 Aspiration Needle
(longer)
7 Wash Block
8 Needle Mounting
Assembly
9 Thumb Screw (with
spring)
1
2
3
4
8
9
5
6
7
