TM 10-3930-659-20 16-6. FRONT WINDSHIELD WIPER ARM, BLADE, AND MOTOR MAINTENANCE (Con't). c. INSTALLATION 1. Install windshield wiper motor (20), gasket (21), and plate (16) on cab (17) with two screws (22). 2. Install flatwasher (15), washer (14), nut (13), rubber cap (12), and adapter bushing (11) on plate (16). 3. Install three terminal leads (18) on connector (19). 4. Install windshield wiper arm (4) on pivot assembly (7) with new lockwasher (10) and nut (5). 5. Install nut (6) on windshield wiper arm (4). 6. Install tube (9) on fitting (8). FOLLOW-ON TASKS: • Install lower dash cover (see paragraph 14-23). TA706983 16-21