TM 55-2840-254-23
4-40 INSTALL NO. 4 AND 5 BEARING PACKAGE SEALS (AVIM) (Continued)
4-40
34. Remove holding fixture (65), and allow fourth
stage power turbine rotor (59) to cool to room
temperature.
35. Measure length of shaft (21) protruding out
through fourth stage power turbine rotor (59).
Measure from end (58) of shaft (21) to aft face
of hub (61) on fourth stage power turbine rotor
(59). Record as Dimension E.
36. Compare Dimension E with dimension re-
corded in step 25.c. or f. Dimensions shall be
no more than 0.005 inch apart.
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