Sharp AL-2051 Service Manual page 31

Cover the top and the right side of the fan housing when you
see the fan housing from the backside of the machine.
Note: Please make sure the double-sided tape is not exposed
where the cushion is sticking out from the edge of the fan
housing.
A
View from Back side
the arrow A
Attach the cushion leaving 3 - 7mm
from the edge.
Attach the cushion leaving 3 - 7mm from the edge so that the
gap between the Fan housing cushion and the filter of the rear
cabinet is filled for sure.
14) Attach the parts removed in the items 1), 2), and 3).
Reference position
3 - 7mm
AL-2051 UNPACKING AND INSTALLATION 5 - 14