TM 10-3930-659-34 4-63. SEAT ASSEMBLY REPAIR (Con’t). 29. Install  seat  pan  (7)  on  top  plate  (49)  with  four screws (48). 30. If    removed,    install    new    dowel    pin    (42)    in adjustment angle support knob (41). 31. Position   adjustment   angle   support   knob   (42) partway in seat pan (7). 32. Install  adjustment  nut  (44)  on  adjustment  angle support  knob  (41)  and  install  adjustment  angle support knob fully in seat pan (7). 33. Install spacer (45) and washer (46) on adjustment   angle   support   knob   (41)   with   new dowel pin (43). 34. Install adjustment angle support (47) on seat pan (7). 35. Install washer (39),  screw  (40),  and  spacer  (36) on backrest (1). 36. Install washer (38), screw (37), spacer (35), and spring (34) on backrest (1). 37. Position backrest (1) on seat pan (7). 4-252

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