TM 55-2840-254-23
4-70 REPAIR FIRST TURBINE ROTOR CASE (AVIM) (Continued)
4-70
27. Deleted.
28. Continue to repeat steps 25. and 26. until
amount of material which was determined in
step 8. is completely removed.
29. Press STOP button (23).
30. Unplug control box (26) from electrical power
source.
31. Remove any burrs from inside of case (1). Use
fine emery cloth (E18).
32. Measure wall thickness of case (1). Wall thick-
ness shall not be less than 0.188 inch.
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