TM 10-3930-659-20 16-6. FRONT WINDSHIELD WIPER ARM, BLADE, AND MOTOR MAINTENANCE (Con't). b. REMOVAL NOTE All wires should be tagged before removal.  Refer to paragraph 2- 18 for tagging Instructions. 1. Remove tube (9) from fitting (8). 2. Remove nut (6) from windshield wiper arm (4). 3. Remove nut (5), lockwasher (10), and windshield  wiper  arm  (4)  from  pivot  assembly (7).  Discard  lockwasher. 4. Remove three terminal leads (18) from connector (19). 5. Remove adapter bushing (11), rubber cap (12), nut (13), washer (14), and flatwasher (15) from plate (16) 6. Remove two screws (22), plate (16), gasket (21), and windshield wiper motor (20) from cab (17). TA706982 16-20