for this project you'll need safety glasses gloves a Philips head screwdriver and a putty knife to remove screen door locate the screws at the top and bottom of either side of the screen using a Philips screwdriver turn the screw counterclockwise until you see the head of the screw repeat on the opposite side next raise the screen and locate the wheels the wheels are located at either end of the screen place the putty knife under the wheel push in and lift once the wheel is up gently slide the screen towards you do the same on the other side to reinstall the screen line up the top two wheels back inside the trash can push up the screen as high as it will go pull the screen out slightly and push the roller wheel up with the putty knife and slide the screen back into the track do the same thing on the other side before you operate the screen the rollers must be adjusted using a Philips screwdriver turn the screws clockwise until you see the screen lower into the track repeat the same procedure on the other side to install the door latch first unscrew the latch back from the door by loosening the bottom screw removing the past then retightening the screw put a removable mark like painters tape or pencil mark on the door frame level to the bottom of the handle tab this is the lowest place to put the point of the keeper any lower and the tab on the screen handle won't engage with the Philips head screw driver install the bottom screws into the slot then check to make sure the screen locks after opening screen and checking that the lock works insert the second screw above the first one each time the screen is reinstalled check to make sure the screen locks if it doesn't loosen the bottom screw readjust the keeper then tighten the screw