Panasonic NN-A890WB Service Manual page 44

13.9. Convection Element And Circulation Fan Motor
1. Remove one screw to remove the the exhaust guide D. Figure 13.
2. Remove the rear heater cover by removing the three screws.
Figure 13
3. Remove the temperature sensor by removing the two screws.
Figure 14
Removing the exhaust guide and grill cover
Figure 11
Removing the screws holding the grill heater
Figure 12
Removing the grill element
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