TM 55-2840-254-23
4-56 INSTALL SECOND TURBINE DISC ASSEMBLY (AVIM) (Continued)
4-56
NOTE
When checking runout, apply forward
pressure to compensate for bearing in-
ternal clearance.
e. Zero indicator (16) and rotate second turbine
disc assembly counterclockwise while record-
ing dimension.
f. Maximum allowable runout shall be 0.004
inch. Record runout.
INSPECT
g. Adjust arm (11) at base (12) and indicator
clamp (13) to position pointer (14) on hub
(17).
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