Sash adjustments may be required to keep your 100 Series casement window sash operating smoothly. A properly adjusted casement window sash will have an even reveal (the gap between the window sash and frame) when the window is opened one (1) inch from the side jamb. 

Top Hinge

Bottom Hinge

Installation

To adjust your 100 Series casement window sash, you will need the hinge adjustment wrench and the instructions provided in the Adjustment of 100 Series Casement Sash Guide (9031737) .

If adjusting the window sash does not correct the problem, please Contact Andersen® Windows and Doors for assistance.

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