in pic #1 notice the 1/8" tab rising above the main body on right side height. this acts as a stop. The assembly slides into the frame until the tab butts up to the frame.
in pic #4 you can see the assembly has to be open on top to clear the screw channel on the frame.
I appreciate any help you can give me with this.
Emily from SWISCO responded:
November 19, 2021
Hello! Start by comparing your dimensions to our 81-112 and see if this matches up to your original roller assembly. Alternate image for 81-112
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