REMOVE AND VISUALLY INSPECT LP TURBINE ROTOR AND SHAFT

TM 9-2835-255-34

GAS TURBINE POWER UNIT REPLACEMENT (Sheet 4 of 30)

Tighten three jacking bolts (1) evenly until

nozzle (2) is free of PT housing (3). Remove

nozzle (2) and jacking bolts (1).

Remove spacer ring (4) and retain for further

use.

CAUTION

Do not attempt to exchange, swap or

replace LP turbine rotor (5). No. 5 bearing

failure could result.

4. REMOVE AND VISUALLY INSPECT LP TURBINE

ROTOR AND SHAFT (5).

Check rotor blades (6) for cracks and missing

blade material.

Check rotor shaft (7) for scoring and wear on

splines (8).

Inspect No. 5 bearing (10) for corrosion, pit-

ting or fracture.

NOTE

If any of these conditions exist, reas-

semble power turbine assembly with

original hardware and replace rear engine

module.

Inspect inside of power turbine housing (3) for

foreign objects or damage. Remove any for-

eign objects and repair minor nicks and burrs

as necessary.

5. PLACE LP TURBINE ROTOR AND SHAFT (5)

NOSE UP ON TWO WOOD BLOCKS (9) IN A CLEAN

AND SECURE LOCATION.

Go on to Sheet 5

6-65

Change 6