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Page Title:
ENGINE COMPRESSOR SURGES (STALLS) (LOUD POPPING NOISE HEARD FROM ENGINE)-continued |
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 TM 9-2835-255-34
3-2. TROUBLESHOOTING - CONTINUED
d. ENGINE - CONTINUED
(2)
ES-18. ENGINE COMPRESSOR SURGES
(STALLS) (LOUD POPPING NOISE HEARD
FROM ENGINE). - CONTINUED
CONTINUED FROM STEP 4
A. Remove high pressure
compressor housing (top half)
B. Check high pressure
compressor vane assemblies
(1) for FOD as listed below:
Inspect for missing
vanes (2).
Inspect vanes (2) for
severe distortion.
Are vanes OK?
A. Install high pressure
compressor housing (top
half) (page 5-3).
B. Replace forward engine
module (page 5-13).
C. Verify problem is solved.
6
Rotor blades have sharp edges
and can cut you. Use care when
turning compressor rotor.
Slowly turn high pressure
compressor rotor (3) and check
blades (4) for FOD as listed
below:
Inspect for missing blades (4).
Inspect blades (4) for severe
distortion or erosion.
Are blades OK?
CONTINUED ON NEXT PAGE
Change 6
3-147
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