INSPECTION OF COMBUSTOR CASE (AVIM) (CONT)

TM 55-2835-209-23 3-7 INSPECTION OF COMBUSTOR CASE (AVIM) (CONT) 1. 2. 3. 4. 5. NOTE Visually inspect combustor case as follows. Inspect exhaust and load valve flange for distortion, wear or cracks. No damage allowed. Inspect for cracks. If cracks are suspected, fluorescent penetrant in- spect per MIL-STD-6866. No cracks allowed. Repair cracks (Task 3-8). Inspect for distortion. No dis- tortion allowed. Inspect for loose or damaged nut plates. No damage allowed. Repair nut plates (Tasks 3-9, 3-10). Inspect for loose rivets. No loose rivets allowed. Repair rivets (Task 3-12). 5.1. Inspect for loose or damaged in- 6. serts. No damage allowed: Repair inserts (Task 3-11). NOTE Dimensionally inspect combus- tor case as follows. Using vernier caliper, measure inner flange diameter A. Diameter A shall be 11.645 to 11.659 inches. Replace combustor case if diameter is not within limits. 7. Using dial indicator, surface plate and gage block set, measure surface A for flatness. Distortion not to exceed 0.005 inch. Replace combus- tor case if surface A is not within limits. FOLLOW-ON MAINTENANCE: None. Change 1 3-16.1/(3-16.2 blank)