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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
d. ENGINE - CONTINUED
ES-17. ENGINE FAULTY - CONTINUED
(1)
Visually inspect turbine rotor blades
(1) and nozzle vanes (2) for damage
as listed below:
NOTE
Measurements in this step are
approximate.
Burnt or broken blades (1).
Melted metal deposits on blades
(1).
No more than four vanes (2) shall
have burns or breaks on edge (3)
wider than 1/4-inch and deeper
than 1/8-inch.
Check for cracks (4) longer than
7/16-inch where vanes (2)
connect to shrouds (5, 6).
Are blades and vanes OK?
A. Record note to replace
forward engine module.
B . Go to step 12.
CONTINUED ON NEXT PAGE
3-130
Change 6
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