TM 1-2840-252-23-2
4-35 INSPECT FOURTH STAGE POWER TURBINE ROTOR (AVIM) (Continued)
4-35
Measure gap (23)between blades (5) Use
c
thickness gage
(1) Total gap between all blades shall be no
greater than 0.120 inch.
(2) Total gap between all blades in any 90 degree
quadrant (24) shall be no greater than 0.030
inch.
(3) 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
4-142