TM 1-2840-252-23-2
4-36
INSTALL FOURTH STAGE POWER TURBINE ROTOR (AVIM) (Continued)
4-36
26. Check axial clearance between fourth stage
power turbine rotor (4) and fourth stage power
turbine nozzle (10 at blade tips (26). Use 0.115
inch and 0.290 inch bent wire gage (Appendix E)
(47) inserted between fourth stage power turbine
rotor blades (46). Axial clearance shall not be less
than 0.115 inch or more than 0.290 inch.
NOTE
If axial clearance is not within limits, do steps 14 thru
26. Ring spacer may be installed or removed as
necessary. Recheck clearance If clearance still is not
within limits, replace power turbine assembly (Ref
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