Labconco Purifie Horizontal Clean Benches 38185 Series, 8' - Manual (Page 33)

Chapter 6: Maintaining Your Clean Bench
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Original Instructions
Diffuser Removal:
1. Locate and remove the diffuser screws, shown in Figure 6-3. Pull the diffuser
straight out.
HEPA Filter Replacement:
The HEPA filter should only be serviced by a qualified
certification technician. Following replacement of the HEPA
filter, a qualified certification technician MUST recertify the
clean bench.
1. Unplug the clean bench.
2. Remove the diffuser as described above.
3. Loosen and remove the filter clamps.
THE TOP AND BOTTOM FILTER CLAMPS ARE DIFFERENT
ASSEMBLIES. THE BOTTOM CLAMP ASSEMBLIES ARE
DARK IN COLOR, WHILE THE UPPER CLAMPS ARE
LIGHTER.
4. Gently pull out the Secondary HEPA filter gasket on the top and both sides of
the HEPA filter as shown in Figure 6-4. Save the gasket for reinstallation.
Remove the stainless steel clamp angle placed between the clamps and the
frame of the HEPA filter.
)
Figure 6-3