Whirlpool WVU57UC6 Installation Instructions And Use & Care Manual page 11

3. Slide the venting lever down as shown in the following
image.
A
A. Lever on No Vented option
4. Replace the venting method screw on the No Vented
(recirculating) option.
A
A. No Vented method screw
5. Remove the no vented (recirculating) vent cover.
A
A. Non-vented (recirculating) vent cover
6. Bend spring clips away from metal grease filter.
7. Place charcoal filter into top side of metal filter.
8. Bend spring clips back into place to secure the charcoal filter
to the metal filter.
9. Replace metal grease filter.
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