TM 10-3930-659-20 16-9. WINDOW WASHER ASSEMBLY REPLACEMENT (Con't). b. INSTALLATION NOTE Steps 1 and 2 are performed at front of cab. 1. Install rubber washer (25) and elbow (26) on cab (16) with nut (24). 2. Install two hoses (8 and 27) on elbow (26). NOTE Steps 3 through 5 are performed at rear of cab. 3. Install rubber washer (22) and elbow (23) on cab (16) with nut (21). 4. Install two noses (2 and 20) on elbow (23). 5. Install window wiper arm cover (19) on cab (16) with two new lockwashers (17) and screws (18). TA706992 16-31