4-36 INSTALL FOURTH STAGE POWER TURBINE ROTOR (AVIM) (Continued)
c. Adjust arm (36) on base (35) and clamp (37).
Position pointer (38) on surface (39) just in-
side of blade retaining pins (40).
d. Zero indicator (41). Rotate fourth stage
power turbine rotor (4) clockwise while not-
ing indicator reading.
e. Total indication of runout shall be no more
than 0.003 inch.
If runout is not within limits, do steps
13 thru 23. If runout is still not within
limits, replace power turbine assembly
(Ref. Tasks 3-6 and 3-7).
f. Remove dial indicator assembly (42) and
locating bar (5).
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