TM 10-3930-659-34 4-63. SEAT ASSEMBLY REPAIR (Con’t). WARNING Use  care  when  removing  bracket.  Seat  spring  is  attached  under  tab  and  if  released  too  quickly could injure personnel. NOTE Note location of spacers to aid during assembly. 11. Remove two screws (23), bracket (24), and two spacers (25) from seat pan (7). 12. Remove  two  screws  (30),  bracket  (29),  adjusting  arm  lever  (32),  spring  (31),  spacer  (33),  bushing  (27),  two spacers (26 and 28), and backrest (1) from seat pan (7). 4-239