Type a supply hepa filter test, Downflow diffuser removal – Labconco PURICARE Procedure Station Models 31260 User Manual
Page 75
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Type A Supply HEPA Filter Test
Downflow Diffuser Removal
1.
Remove the diffuser by raising the sash as high as it will go, and then removing
the two acorn nuts with a 7/16” wrench or socket, as shown in Figure 5-3.
Figure 5-3
Removing the diffuser acorn nuts (Dress
panel and lamps removed for clarity
only).
Note: The diffuser acorn nuts are secured to the studs with a removable thread locking
compound to prevent them from vibrating loose during shipment of the Logic+. There
may be some resistance the first time the nuts are removed; this is normal. No
additional thread locking compound need be applied to these acorn nuts unless the unit
is being prepared for shipment.
2.
Lower the front edge of the diffuser until clears the bottom of the sash, and then
pull the diffuser straight out of the cabinet, as shown in Figure 5-4.
Figure 5-4
3.
The Logic+ is now ready for the HEPA Filter Leak Test. Set the photometer
sampling valve to “DOWNSTREAM”. Ensure there is a proper vacuum at the
sampling port of the pistol.
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