Dual Arm Oldach Casement Window Operator | 3 13/16″ Short Arm

Casement and awning window replacement operators in a Right Hand Model (as shown in the photo) and a Left Hand Model ( opposite ); To compare your existing operator to the one in the photo, crank the spindle until your operator arms match the photo. Push the large arm into position and then Use the spindle to crank the small arm into position. Plastic cover, crank handle and wood screws are sold separately. Measurements: Long arm measures approximately 9-5/8″, Short arm measures approximately 3-13/16″ (This is the measurement of the link at the end of the jointed arm) and sash mounting plate measures approximately 2-1/8″ by 5″. same as Truth 15.16.00.001/2WFI – old operators may have the following number stampings – 40754, 20755, 31538.