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Dave Sr. from SWISCO responded:
November 27, 2018
I'm not sure what type of awning window you are going to install the 39-389 on, but in general you want to remove the wood sill cover at the bottom of the window frame to access the existing hardware. My thought would be to lay the operator onto the sill and attach the sash brackets to the window. Make sure the window sash is in the closed position then install the center screw in the operator to the sill. Take your time and carefully open and close the window to make sure the operator is in the correct location. If the window operates correctly, install the remaining screws and adapt the sill cover to the new operator. This may require cutting it to shape. |
