68 Step 3: Tightly screw the wingnuts at bottom of the door andclose the access door.8.4. INSTALLATION AND REMOVAL OF SIDE AND BACK WINDOW FRAME8.4.1. INSTALLATION AND REMOVAL OF SIDE WINDOW FRAMESInstallation of side window frame: Start by inserting the tabs of the window frame in the opening located at the bottom of the appliance(Figure 8.4.1.Detail B). Tilt the top of the window frame and slightly lift it (without removing the bottom tabs from their slots)to positioning the hook (Figure 8.4.1 Detail A) in place. Push down to secure it in place.Removal of side window frame: Raise vertically to disengage the hook (Figure 8.4.1 Detail A). Pull outward the appliance. Disengage the bottom tabs. (Figure 8.4.1 Detail B)Figure 8.4.1Figure 8.3.2.c