BeaconMedaes dMED 7 Instruction Book page 77

Instruction book
Procedure
1. Isolate the filters from the air net.
2. Depressurize the QDT filter by means of the DD or PD filter drains.
3. Uncouple the pipe at the inlet with the flange.
4. Unscrew the head.
5. Remove the spring and the perforated plate.
6. Remove the filter bag(s).
7. Clean the extrusion and heads with a dry clean cloth.
8. Place a new filter bag inside the extrusion. The label "This side up" must be at the top of the bag.
9. Replace the o-ring in the head (and between the heads).
10. Reposition the perforated plate and spring.
11. Screw the head completely on the extrusion.
12. Torque the bolts with 40 Nm.
13. Connect the head and flange at the inlet of the filter. Replace the o-ring between the flange and the head.
14. Slowly pressurize the filters.
15. Check for leaks.
A small amount of water based lubricant (supplied in the medical cleaning kit) may be applied to screw threads
and o-rings to facilitate the assembly.
Traceability
According to the Medical Devices Directive MDD 93/42/CEE, the catalyst and activated carbon bags are
labeled with production date, batch number and part number.
Warning
Pharmacopoeia compliance
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To ensure that the unit always produces pharmacopoeia compliant air, only dedicated and
genuine spare parts must be used.
The installation and maintenance must be done by trained and certified personnel.
After carrying out any maintenance or repair work, Pharmacopoeia testing must be done
by a local testing company to assure reliable and correct operation of the unit.
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