TM 55-2840-254-23
4-70 REPAIR FIRST TURBINE ROTOR CASE (AVIM) (Continued)
4-70
NOTE
In following step 6., difficulty may be en-
countered when installing cover due to
tight fit of cover around air diffuser as
sembly. The tight fit is necessary to ensure
that machining chips do not enter air
diffuser assembly.
6. Install protective cover (8) and spring (9), part
of skimming maintenance kit (T32), on first
turbine nozzle (10) and air diffuser assembly
(11).
7. Measure tip clearance (Ref. Task 4-61) and mark
case (1) at the point of lowest tip clearance. Use
marking pencil (E34).
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