TM 1-2840-252-23-2
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INSTALL NO. 4 AND 5 BEARING PACKAGE SEALS (AVIM) (Continued)
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b. Place fourth stage power turbine rotor (61) with hub on locating bar (T33) (62)Measure from aft face of hub (63)
to locating bar (T33) (62). Record as Dimension B
c. If ring spacer (64) was not removed, subtract Dimension B from Dimension A The answer is how much of shaft
should protrude from fourth stage power turbine rotor Record for later use
NOTE
If ring spacer was not removed, go to step 28
d. If ring spacer (64) was removedRef Task 4-33), measure thickness of itRecord as Dimension C
(
e. Add Dimension C to Dimension B.Record answer as Dimension D
f. Subtract Dimension D from Dimension . The answer is how much of shaft should protrude from fourth stage
A
power turbine rotor Record answer for later use
27. If removed, install ring spacer (64) on shaft (21) and against faceplate (31)
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