TM 55-2840-254-23
4-40 INSTALL NO. 4 AND 5 BEARING PACKAGE SEALS (AVIM) (Continued)
4-40
NOTE
If calculated length and measured length
are not within limits, do steps 37 thru
40. If calculated length and measured
length are within limits, omit steps 37
through 40.
37. Remove fourth stage power turbine rotor (59)
(Ref. Task 4-33, steps 4. thru 8).
38. Inspect shaft (21), fourth stage power turbine
rotor (59) and, if installed, spacer (62). Check
for contaminants or damage that caused rotor
(59) to hang up. If hang up exists, remove con
taminants or replace power turbine assembly.
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