TM55-2840-251-23
4-6 POWER TURBINE SHROUD (AVIM) (Continued)
4-6-3 INSTALLATION
1. Align index marks on old
shroud and exhaust duct and in-
stall shroud in exhaust duct.
Where a new shroud is installed,
make index mark to align with
existing "X" on exhaust duct
flange.
2. Repeat Task 4-6-1, steps 4
through 7.
WARNING
Power grinding is hazard-
ous to personnel. Sparks
and metal chips may injure
eyes. Wear approved gog-
gles and hearing protec-
tors. If injury occurs,
get medical attention.
CAUTION
Prior to installation of
power turbine grinder in-
sure all airflow openings
are blanked off to prevent
dust, caused by grinding,
from entering engine.
3. Remove Gage (T.13)(1) and
install Grinder (T.16)(5) fitted
with Abrasive Wheel (T.52) and
grind shroud lands to give 0.016-
0.028 inch shroud/rotor clearance.
4. Vacuum work area, remove
masking, grinder, adapter and
cover. Inspect.
5. Inspect
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