Hisense HMO173SR Use And Care Manual page 24

Charcoal Filter
A charcoal filter is used for non-vented, recirculated installation. The filter should be
changed every 6 to 12 months, depending on use.
Disconnect power to the oven at the circuit breaker panel or by unplugging.

 Remove the louver mounting screw from the top center of the louver and push
down carefully on the tab at each end of the louver to disengage it. See
illustration below.
 Pull the louver away from the unit.
 Change the charcoal filter.
 Carefully push the louver back into place and secure it with the screw.
Oven Light
 Remove the louver, following the instructions under "Charcoal Filter," above.
 If a charcoal filter is present, remove it.
Open the light cover located behind the filter mounting by carefully pulling up

on the front edge.
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