TM 55-2840-254-23
4-35 INSPECT FOURTH STAGE POWER TURBINE ROTOR (AVIM) (Continued)
4-35
c. Measure gap (23) between blades (5). Use
thickness gage.
(1)
(2)
(3)
Total gap between all blades shall be no
greater than 0.120 inch.
Total gap between all blades in any 90
degree quadrant (24) shall be no greater
than 0.030 inch.
There shall be no gap greater than 0.012
inch. There shall be no more than one
0.012 inch gap in any quadrant.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
4-163
