Operator’s Manual of Anesthesia System 9 - 29
Maintenance Periodic Maintenance
Figure 9-38 Install the negative pressure suction device
NOTE:  When install the filter to the suction tube, pay attention to keeping the 
side printed with IN facing the liquid collection bottle.
NOTE:  Avoid twisting or bending suction tubes during use.
9.7.4.5 Check Before the Next Use
After reassemble the components of the negative pressure suction device, check the negative 
pressure suction device before use. See Section 5.15 "Inspect the Negative Pressure Suction Device".
9.8 Periodic Maintenance
WARNING:  To avoid endangering the patient, do not perform test or maintenance 
when the equipment is in use. 
Visual inspection should be performed every 30 days to ensure timely replacement of worn or 
damaged parts.
1. Power off the system. 
2. Visually check the whole system. 
3. Power on the system and follow the on-screen prompts to perform leak test and compliance 
test. See Section 5.4.2 "Leak & Compliance Test".
Filter
 Suction tube
 Overfill protection connector