Prefilter replacement, Hepa filter replacement – Labconco PURICARE Procedure Station Models 34812xx User Manual
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Prefilter Replacement
NOTE: The prefilter is not washable; it must be replaced when it becomes
dirty.
1. Shut off the cabinet blower.
2. Using an appropriate step or ladder, remove the two wingnuts that secure the
prefilter, located next to the electronics module, as shown in Figure 8-11.
3. Remove and discard the prefilter, and replace it with a new one. Retighten the two
wingnuts that secure the prefilter.
Figure 8-11
Prefilter wing nuts
HEPA Filter Replacement
CAUTION: The cabinet must be properly decontaminated before servicing the
exhaust HEPA filter. Following replacement of either HEPA filter, the cabinet
must be recertified.
CAUTION: HEPA filters can be awkward to handle and heavy. Use appropriate
lifting techniques to remove and handle it. Use two people to remove the
larger filters if possible.
4. Unplug the cabinet.
5. Remove the front dress panel as shown in Figure 8-1.
To Remove the Exhaust HEPA Filter:
6. Loosen all of the Phillips screws on the exhaust filter cover.
7. Loosen the four sealed exhaust filter bolts on the top of the cabinet hull, as
shown in Figure 8-12. DO NOT remove the bolts; only loosen them until the
exhaust HEPA filter is free of the filter frame.
- PURICARE Procedure Station Models 34810xx PURICARE Procedure Station Models 34802xx PURICARE Procedure Station Models 34800xx Type B2 Biosafety Cabinets Models 34610xx Type B2 Biosafety Cabinets Models 34410xx Type A2 Biosafety Cabinets Models 34609 Type A2 Biosafety Cabinets Models 34509 Type A2 Biosafety Cabinets Models 34409 Type A2 Biosafety Cabinets Models 34309 Type A2 Biosafety Cabinets Models 34608xx Type A2 Biosafety Cabinets Models 34508xx Type A2 Biosafety Cabinets Models 34408xx Type A2 Biosafety Cabinets Models 34308xx Type A2 Biosafety Cabinets Models 34600xx Type A2 Biosafety Cabinets Models 34500xx Type A2 Biosafety Cabinets Models 34400xx Type A2 Biosafety Cabinets Models 34300xx