TM 9-2320-361-20 8-19. WINDSHIELD WIPER MOTOR CONTROL VALVE REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION All Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS Air reservoirs drained (TM 9-2320-361-10). Antiseize tape (Appendix C, Item 27) GENERAL SAFETY INSTRUCTIONS Do not disconnect air lines before draining air REFERENCES (TM) reservoirs. TM 9-2320-361-10 TM 9-2320-361-20P WARNING Do not disconnect air lines before draining air reservoirs. Small parts under pressure may shoot out with high velocity causing injury to personnel. NOTE Tag all air lines and hoses for installation. 1. Remove air line (1) from adapter (2) and air line (9) from adapter (8). 2. Loosen two setscrews (6) and remove knob (7) from wiper motor control valve (3). 3. Remove jamnut (5) and wiper motor control valve (3) from instrument panel (4). 4. Remove adapters (2) and (8) from wiper motor control valve (3) and inspect for cracks, bends, or breaks. If damaged, replace. b. Installation NOTE All male pipe threads must be wrapped with antiseize before installation. 1. Install adapters (8) and (2) on wiper motor control valve (3). 2. Install wiper motor control valve (3) on instrument panel (4) with jamnut (5). 3. Install knob (7) on wiper motor control valve (3) and tighten two setscrews (6). 4. Install air line (9) on adapter (8) and air line (1) on adapter (2). FOLLOW-ON TASK: 8-46 Start engine (TM 9-2320-361-10), build up air pressure, and check operation of windshield wiper motor.