Regular Maintenance Maintenance
7 - 30 046-003777-00 A5/A3™ Operating Instructions
4. Unscrew the wire protector, and remove the negative relief filter. Wash the filter in water
only and dry before replacing (every 12 months).
7.11 Regular Maintenance
WARNING: To avoid endangering a patient, do not perform testing or maintenance
when the machine 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. Perform an overall visual inspection of the system.
3. Power up the system and follow the on-screen prompts to perform the leak test and the
compliance test (see section4.5 (page 4-9) "Leak and Compliance Tests").