TM 9-2320-209-20-3-4 Section III. CAB ACCESSORY ITEMS 21-4. WINDSHIELD WIPER MOTOR REMOVAL AND REPLACEMENT. NOTE This task is the same for both windshield TOOLS : Cross-tip screwdriver (Phillips type) Hose clamp pliers 3/8-inch open end wrench SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, a . Removal. wiper motors. handbrake set. FRAME 1 1. Unclip wiper blade (1) from wiper arm (2) and takeoff blade. 2. Using 3/8-inch wrench, unscrew cap nut (3) and take off arm (2). 3. Using phillips screwdriver, unscrew two screws (4) letting wiper motor (5) hang on shaft (6). GO TO FRAME 2 21-4