Inspection-Acceptance and Rejection Criteria
Inspect backrest (14) cushion for cuts and tears.
Inspect seat frame (42) for dents.
Inspect adjuster springs (30) for breakage, fatigue, and distortion.
Inspect adjustment mechanisms for breakage and wear.
Inspect adjuster assembly (28) for breakage or wear of pins, linkages, and guides.
Inspect vertical support assembly for undue wear.
Repair or Replacement
Minor cuts or tears in cushion may be repaired by hand stitching. If damage is extensive, replace part.
Repair any dents and straighten any bent parts with a mallet. Replace if part does not lend itself to this type of repair.
Replace springs if proven defective.
Repair tapped holes with a thread chaser.
If wear or breakage affects seat adjustment, replace defective parts.
Install control assembly (55) to frame (42) by installing two shafts (57) and four retaining rings (56).
Install two levers (53 and 54) and shaft (52) on frame (42).
Insert pins (50 and 51).