How-to Videos Did you ever notice how things usually go wrong at the worst possible time? Like that time you were cleaning your windows on the weekend and the sash came out and you couldn’t get it back in. And the storm was coming. Sure would have been nice to have one of these videos handy.What do you do? Easy, just click on the “Double Hung Window Operation” video below, and in a few short minutes you can rest easy.But we don’t stop there. Besides removing and replacing your sash, we also have useful information on removing and replacing your screens, operating your Casement and Awning windows, and using a Window Opening Control Device, also known as a WOCD Double Hung Window Operation Instructions on how to properly operate and maintain your Mathews Brothers windows and doors, including how to properly remove and replace the double hung sash. Double Hung Window Operation. Double Hung Screen Removal and Replacement Removing and replacing a full screen on our Spencer Walcott Double Hung. Screen Removal and Replacement. Casement/Awning Window Operation How to open a casement for cleaning, operating and use of Window Opening Control Device (WOCD) Casement Window Operation Horizontal Slider Window Operation How to open and remove the sash from the Spencer Walcott of Hancock Classics Horizontal Slider, and replace. Horizontal Slider Operation Horizontal Slider Screen Removal and Replacement How to remove and replace a full screen on a Spencer Walcott or Hancock Slider Horizontal Slider. Horizontal Slider Screen Removal. Window Opening Control Device (WOCD) Operation of a WOCD on a Spencer Walcott of Hancock Classics Double Hung. WOCD Operation. Sliding Patio Door Lock/Keeper Adjustment Properly positioning your keeper for proper lock operation. Keeper Adjustment Double Hung Installation Guidelines for installing Mathews Brothers Double Hung window with Integral Installation Flange. Installation Video