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 TM 9-2835-255-34
LOW PRESSURE TURBINE NOZZLE REPLACEMENT (Sheet 3 of 11)
3.
REMOVE NOZZLE (1) AND SPACER RING (2).
a.
Using both hands, carefully remove nozzle (1).
Then do step d. If unable to remove nozzle (1)
by hand, do steps b. and c., then continue
with step d.
Install three jacking bolts (3) into three
b.
threaded holes (4) in nozzle (1).
Tighten three jacking bolts (3) evenly and op
c.
posite each other until nozzle (1) is free of PT
housing (5). Remove nozzle (1) and jacking
bolts (3).
Remove spacer ring (2). Using a micrometer,
d.
measure spacer thickness. Record dimension
on tag. Attach tag to spacer and retain for fur-
ther use.
CAUTION
Do not attempt to exchange, swap or
replace LP turbine rotor (6). Turbine bear-
ing failure could result.
4. REMOVE AND VISUALLY INSPECT LP TURBINE
ROTOR AND SHAFT (6). INSPECT NO. 5 BEARING
(7).
Check rotor blades (6) for cracks and missing
a.
blade material, bends or distortion and heat
damage.
Check rotor shaft (9) for scoring and wear on
b.
splines (10).
Inspect No. 5 bearing (7) for corrosion, pitting
c.
or fracture.
Go on to Sheet 4
6-94
Change 6
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