TM 10-3930-664-24 E.  ASSEMBLY 1. Install  nuts  (8)  and  set  screws  (9)  into  rocker levers (3, 7). NOTE Ensure   intake   and   exhaust   levers   are installed  in  correct  positions.  Refer  to figure. 2. Lubricate  shaft  of  lever  support  (4)  with  engine oil. 3. Slide   rocker   lever   (7)   onto   lever   support   (4). Install washer (6) and retaining ring (5). 4. Slide   rocker   lever   (3)   onto   lever   support   (4). Install washer (2) and retaining ring (1). FOLLOW-ON MAINTENANCE: Install rocker arm assembly (para.  3-13) END OF TASK 3-53