TM55-2840-251-23
4-4 POWER TURBINE ROTOR ASSEMBLY (AVIM) (Continued)
4-4-1 REMOVAL
1. Measure rotor/shroud
clearance in four places at 90
degrees apart without moving
rotor to determine whether
shroud needs to be ground.
2. Install Wrench (T.54) (1)
on Power Turbine Assembly and
Protector (T.19) (2).
NOTE
If determined that shroud
needs to be grounded or
replaced, refer to Tasks
4-6-1 and 4-6-3.
3. Install Spreader (T.47) (3)
and uncrimp keywasher (4).
4. Remove spreader (3).
5. Remove bolt (5), keywasher
(4), protector (2) and wrench
(1).
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