Kenmore 580.74085 Owner's Manual page 11

PROCEDURE C
W Remove the backing from the 1113/16" shim
strips and attach them as shown below in Fig.
23. The higher portion of shim is to be placed
in front of the rib on the base of wall sleeve.
h,4--' 'I'"0h
FIG. 22
I 6"1
FIG. 23
D If you wish to keep the unit be operated at
higher performance state, remove the steel rear
grille and attach the plastic rear grille. The
plastic rear grille will minimize the recirculation
of hot discharge air.
Plastic rear grille
Steel rear
FIG. 24
_'_ Install the new unit into the wall sleeve
_1_ Assemble trim as described in Step 6,
Procedure A.
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