TM 10-3930-659-34 4-63. SEAT ASSEMBLY REPAIR (Con’t). 8. Position roller assembly (91) on base plate (68). 9. Install rubber washer (90), three washers (87, 88, and 89), spacer (86), spindle bracket (85), weight adjuster (83), and adjuster spindle (93) on base plate (68). 10. Install two new roll pins (92) and retaining ring (94) on adjuster spindle (93). 11. Install two springs (84) on base plate (68) and weight adjuster (83). 4-248