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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
d. ENGINE - CONTlNUED
(1)
ES-17. ENGINE FAULTY - CONTINUED
A. Remove forward engine module
Do not lean or hang anything on
shaft (1). Damage to bearing, seal,
or air seal may result
B. Check second turbine nozzle
vanes (2) for damage as listed
below:
Check edge of vanes (2) for
cracks (3) longer than
1/4-inch.
Check edges (4) where vanes
(2) connect to shroud (5), for
wear (6) deeper than
3/32-inch.
Check both edges of vanes
(2) for cracks (7) that could
meet and cause loss of
material.
Check vanes (2) where they
connect to shrouds (5,8), for
cracks (9) longer than
7/16-inch.
Check edge of vanes (2) for
burns (10) that exceed the
limits shown in Table A.
Are second turbine nozzle vanes OK?
A. Record note to replace
second turbine nozzle.
B. Go to step 6.
CONTINUED ON NEXT PAGE
3-126
Change 6
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