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Chapter 4: Routine Maintenance
Surgivet
®
Universal CDS 9000 Operation Manual
4-7
Flowmeter Removal and Cleaning
NOTE! This procedure can also be used to replace the Flowtube.
NOTE! Visually inspect the flowmeter for movement of the float (ball) inside the tube. If the float (ball)
sticks inside the tube, remove the tube and clean it.
Figure 4-8: Flowmeter Removal Supplies
NOTE! Flowmeter shown disassembled from the machine for clarity. It is not necessary to disassemble
the Flowmeter from the machine to perform this operation.
Supplies Needed:
5/32 Allen Wrench
•
Isopropyl Alcohol
•
Thin Needle Nosed Pliers
•
Soft cloth
•
Make sure oxygen supply is turned off. Use the Flush Valve to deplete any remaining oxygen.
1.
Remove the plastic lens cover on the flowmeter by pinching the sides in gently and pulling it out.
2.
(See Figure 4-9)
While holding the Flowtube, use the 5/32 inch Allen wrench to loosen the nut on the very top of the
3.
flowmeter assembly. (See Figure 4-10)
Figure 4-9: Remove Plastic Lens Cover
Figure 4-10: Loosen Nut on top of Flowmeter