TM 10-3930-659-34 4-63. SEAT ASSEMBLY REPAIR (Con’t). 12. Install  shock  absorber  (70)  on  base  plate  (68) with pin (81) and retaining ring (82). 13. Install  four  bushings  (75)  on  scissor  assembly (61). 14. Position  spacer  (78)  and  two  adjustment  levers (77) on scissor assembly (61). 15. Install   spring   holder   (79)   on   scissor   assembly (61) with two springs (80). 16. Install  pivot  bar  (73)  on  scissor  assembly  (61) with retaining ring (74). 17. Install four rollers (76) on scissor assembly (61). TA708400 4-249 TM 10-3930-659-34 4-63. SEAT ASSEMBLY REPAIR (Con’t). 18. Install pivot bar (63) on scissor assembly (61) with new roll pin (62). 19. Position scissor assembly (61) on base plate (68). 20. Install spring (64) on weight indicator (66) and base plate (68) with bracket (67) and pin (65).