Serinus 51 User manual 1.0
Service
55
6.4 Maintenance procedures
6.4.1 Particulate filter replacement
1. Disconnect the external pump
2. Slide open (Figure 22) to access the particulate filter (located in front
right hand corner
3. Unscrew the filter cap (bright blue) by turning it counterclockwise
4. Remove the filter plunger from the casing, place finger on tubing
connector and pull to the side
Figure 22 Removing plunger
5. Remove old filter, wipe down plunger with damp cloth and insert new
filter
6. Replace plunger, screw cap on and reconnect the pump
7. Close instrument and perform a quick leak check (section 6.4.5)
8. Resume monitoring
6.4.2 Clean fan Filter
1. Turn off fan
2. Remove outer filter casing and filter (Figure 23)
3. Clean filter by blowing with compressed air (if available) or shaking
vigorously
4. Replace filter and filter casing
Figure 23 Removing fan filter
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