Labconco FilterMatPortable Exhausters 3970024 - Manual (Page 42)

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Chapter 6: Modifying Your FilterMate
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4. If the enclosure is connected directly to a house exhaust
system, an adjustable damper (or valve) must be installed to
control the airflow properly.
Converting a Combination
HEPA/Carbon FilterMate to a Dual
Carbon FilterMate
1. Simply remove the HEPA filter per the Bag-In/Bag-Out
Procedure in Chapter 5.
2. Next place the carbon filter in the FilterMate in place of the
HEPA filter. Consult your Safety Officer concerning
exposure to hazardous powders and decontamination.
3. Tighten the filter clamp bolts to compress the gasket 50%.
4. Replace the rear access port cover with the four screws.
Converting a HEPA FilterMate to a
Combination HEPA/Carbon
FilterMate
Refer to Figures 3-6 and 3-7.
1. The perforated exhaust cover must be replaced with a wider
perforated exhaust cover to house the new carbon filter.
Remove the plugs and perforated exhaust cover.
2. Order combination HEPA/Carbon FilterMate conversion
kit (Catalog #3927100). The kit consists of a perforated
exhaust cover (P/N 3923500), two carbon filter clamping
brackets (P/N 3923600 and P/N 3923601), four 1/4-20
nylon nuts (P/N 1906921), and combination HEPA/Carbon
FilterMate conversion instruction sheet (P/N 3927200).
Order the carbon filter separately from Chapter 2 and
Chapter 3.
3. Install the carbon filter clamping brackets, carbon filter and
nuts. Tighten the nuts to compress the gasket 50%.
4. Re-install the new wider perforated exhaust cover.