Labconco Purifie Horizontal Clean Benches 38185 Series, 8' - Manual (Page 34)

Chapter 6: Maintaining Your Clean Bench
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Original Instructions
5. Remove the filter by pulling it straight out of the Purifier.
6. Install the new filter by placing the filter back into the clean bench. Make
sure that the HEPA filter is centered side-to-side in the Purifier. Reinstall the
stainless steel plates on the HEPA filter frame.
7. Install the secondary HEPA filter seal, ensuring that the seal is in place
completely around the sides and top of the filter frame.
8. Install the HEPA filter clamps, with the darker colored clamps on the bottom
of the filter, and the lighter colored clamps on the top. Tighten the clamp bolt
until the filter gasket is compressed approximately 50% or 1/8 of an inch.
Plug the clean bench back in.
9. Test the filter for leakage as described in IEST recommended practice #IEST-
RP-CC0002.2.
10. Reinstall the diffuser.
11. Establish the average velocity of the filter. It should be 90 ± 10 FPM, with all
values falling within ± 20% of the average.
Motor/Blower Service:
THE MOTOR BEARINGS ARE PERMANENTLY
LUBRICATED AND SEALED. NO FURTHER LUBRICATION
IS NEEDED.
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Figure 6-4